From 1942c69c01e3a22d64c7370dced68a9957334072 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Patrik=20Lindstr=C3=B6m?= <patrik@vaadin.com>
Date: Thu, 7 Nov 2024 16:15:19 +0200
Subject: [PATCH] feat: Update POMs and bump build dependency versions

* Ignores VS code project file and updates to .project
* Updates DTD hrefs from HTTP to HTTPS
* Updates commons-io, commons-cli, commons-codec, hsqldb and animal-sniffer
* Fixes dependency management violations
* Includes Maven Flatten Plugin for cleaner release POMs
* Updates Atmosphere version
---
 .gitignore                                    |  2 +
 all/pom.xml                                   |  4 +-
 bom/pom.xml                                   |  6 +-
 client-compiled/pom.xml                       | 11 ++-
 client-compiler/pom.xml                       |  4 +-
 client/pom.xml                                |  4 +-
 compatibility-client-compiled/pom.xml         | 11 ++-
 compatibility-client/pom.xml                  |  4 +-
 compatibility-server-gae/pom.xml              |  4 +-
 compatibility-server/pom.xml                  |  8 +-
 compatibility-shared/pom.xml                  |  4 +-
 compatibility-themes/pom.xml                  |  4 +-
 liferay-integration/pom.xml                   |  4 +-
 liferay/pom.xml                               |  4 +-
 osgi-integration/pom.xml                      |  4 +-
 pom.xml                                       | 84 +++++++++++++++----
 push/pom.xml                                  |  4 +-
 server/pom.xml                                |  6 +-
 .../java/com/vaadin/server/Constants.java     |  2 +-
 shared/pom.xml                                |  4 +-
 .../addon-using-init-param-widget-set/pom.xml |  4 +-
 .../addon-using-no-defined-widget-set/pom.xml |  4 +-
 test/addon-using-own-widget-set/pom.xml       |  4 +-
 test/bean-api-validation/pom.xml              |  4 +-
 test/bean-impl-validation/pom.xml             |  4 +-
 test/cdi/pom.xml                              |  4 +-
 test/default-widget-set/pom.xml               |  4 +-
 test/dependency-rewrite-addon/pom.xml         |  4 +-
 test/dependency-rewrite/pom.xml               |  4 +-
 test/own-widget-set/pom.xml                   |  4 +-
 test/pom.xml                                  |  4 +-
 test/servlet-containers/generic-tests/pom.xml |  4 +-
 test/servlet-containers/generic-ui/pom.xml    |  4 +-
 test/servlet-containers/generic/pom.xml       |  4 +-
 test/servlet-containers/glassfish/pom.xml     |  4 +-
 test/servlet-containers/jetty8/pom.xml        |  4 +-
 test/servlet-containers/jetty9/pom.xml        |  4 +-
 .../jsp-integration/pom.xml                   |  4 +-
 .../karaf/karaf-run/pom.xml                   |  6 +-
 test/servlet-containers/karaf/pom.xml         |  4 +-
 .../karaf/vaadin-karaf-bundle1/pom.xml        |  4 +-
 .../karaf/vaadin-karaf-bundle2/pom.xml        |  4 +-
 .../servlet-containers/liberty-javaee/pom.xml |  6 +-
 .../liberty-microprofile/pom.xml              |  6 +-
 .../liberty-webprofile/pom.xml                |  6 +-
 test/servlet-containers/payara-micro/pom.xml  |  4 +-
 test/servlet-containers/pom.xml               |  4 +-
 test/servlet-containers/tomcat7/pom.xml       |  4 +-
 test/servlet-containers/tomcat80/pom.xml      |  4 +-
 test/servlet-containers/tomcat85/pom.xml      |  4 +-
 test/servlet-containers/tomcat9/pom.xml       |  4 +-
 test/servlet-containers/wildfly-swarm/pom.xml |  4 +-
 test/servlet-containers/wildfly10/pom.xml     |  4 +-
 test/servlet-containers/wildfly11/pom.xml     |  4 +-
 test/servlet-containers/wildfly12/pom.xml     |  4 +-
 test/servlet-containers/wildfly13/pom.xml     |  4 +-
 test/servlet-containers/wildfly8/pom.xml      |  4 +-
 test/servlet-containers/wildfly9/pom.xml      |  4 +-
 test/space in directory/pom.xml               |  4 +-
 test/spring-boot-subcontext/pom.xml           |  4 +-
 test/spring-boot/pom.xml                      |  4 +-
 test/vaadin7-widget-set/pom.xml               |  4 +-
 .../pom.xml                                   |  4 +-
 test/widget-set-testutil/pom.xml              |  4 +-
 testbench-api/pom.xml                         |  4 +-
 themes/pom.xml                                |  4 +-
 uitest/pom.xml                                |  8 +-
 67 files changed, 223 insertions(+), 155 deletions(-)

diff --git a/.gitignore b/.gitignore
index 91591ef0c4..8eba30fd82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,3 +62,5 @@ phantomjsdriver.log
 
 # TB default error screenshot folder
 error-screenshots/
+.vscode/settings.json
+.project
diff --git a/all/pom.xml b/all/pom.xml
index 4a50a201a8..2d01bfd932 100644
--- a/all/pom.xml
+++ b/all/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/bom/pom.xml b/bom/pom.xml
index bb44bee66f..a234201430 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -1,5 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -14,7 +14,7 @@
     <version>8.14-SNAPSHOT</version>
     <name>Vaadin Framework (Bill of Materials)</name>
     <description>Vaadin Framework (Bill of Materials)</description>
-    <url>http://vaadin.com</url>
+    <url>https://vaadin.com</url>
 
     <properties>
         <vaadin.spring.version>3.2.1</vaadin.spring.version>
diff --git a/client-compiled/pom.xml b/client-compiled/pom.xml
index 9bdd11686a..c0578db1f1 100644
--- a/client-compiled/pom.xml
+++ b/client-compiled/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -87,6 +87,13 @@
                 <groupId>biz.aQute.bnd</groupId>
                 <artifactId>bnd-maven-plugin</artifactId>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>animal-sniffer-maven-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
diff --git a/client-compiler/pom.xml b/client-compiler/pom.xml
index e318d41991..ca8d2c0a42 100644
--- a/client-compiler/pom.xml
+++ b/client-compiler/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/client/pom.xml b/client/pom.xml
index 929dac138c..19bab1673e 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/compatibility-client-compiled/pom.xml b/compatibility-client-compiled/pom.xml
index 8eed1adbf0..7c1adbca98 100644
--- a/compatibility-client-compiled/pom.xml
+++ b/compatibility-client-compiled/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -75,6 +75,13 @@
                         </goals>
                     </execution>
                 </executions>
+            </plugin>   
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>animal-sniffer-maven-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
             </plugin>
             <plugin>
                 <groupId>biz.aQute.bnd</groupId>
diff --git a/compatibility-client/pom.xml b/compatibility-client/pom.xml
index ae7d0f70ff..7affdf6437 100644
--- a/compatibility-client/pom.xml
+++ b/compatibility-client/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/compatibility-server-gae/pom.xml b/compatibility-server-gae/pom.xml
index 8f6778159e..40fc8ca281 100644
--- a/compatibility-server-gae/pom.xml
+++ b/compatibility-server-gae/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/compatibility-server/pom.xml b/compatibility-server/pom.xml
index c42d16c8e4..79821a41dc 100644
--- a/compatibility-server/pom.xml
+++ b/compatibility-server/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -50,18 +50,18 @@
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
+            <version>${hsqldb.version}</version>
+            <classifier>jdk8</classifier>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>javax.portlet</groupId>
             <artifactId>portlet-api</artifactId>
-            <version>${javax.portlet.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.vaadin.external.atmosphere</groupId>
             <artifactId>atmosphere-runtime</artifactId>
-            <version>${atmosphere.runtime.version}</version>
             <scope>test</scope>
         </dependency>
         <!-- Bean Validation API -->
diff --git a/compatibility-shared/pom.xml b/compatibility-shared/pom.xml
index 503415007f..2206a48434 100644
--- a/compatibility-shared/pom.xml
+++ b/compatibility-shared/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/compatibility-themes/pom.xml b/compatibility-themes/pom.xml
index 9f21327d92..701f1666a9 100644
--- a/compatibility-themes/pom.xml
+++ b/compatibility-themes/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/liferay-integration/pom.xml b/liferay-integration/pom.xml
index 7a448dcd10..6f51b3a97a 100644
--- a/liferay-integration/pom.xml
+++ b/liferay-integration/pom.xml
@@ -1,5 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>vaadin-liferay-integration</artifactId>
     <packaging>jar</packaging>
diff --git a/liferay/pom.xml b/liferay/pom.xml
index 72daeec19f..f78f30d5f6 100644
--- a/liferay/pom.xml
+++ b/liferay/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/osgi-integration/pom.xml b/osgi-integration/pom.xml
index c5fc75c00d..e2dfd16701 100644
--- a/osgi-integration/pom.xml
+++ b/osgi-integration/pom.xml
@@ -1,5 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>vaadin-osgi-integration</artifactId>
     <packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index bcede1db0b..6571d27e1c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -27,15 +27,17 @@
         <liferay.portal-kernel.version>2.0.0</liferay.portal-kernel.version>
 
         <vaadin.gwt.version>2.8.2</vaadin.gwt.version>
-        <vaadin.plugin.version>8.15-SNAPSHOT</vaadin.plugin.version>
+        <vaadin.plugin.version>8.14-SNAPSHOT</vaadin.plugin.version>
 
         <!-- Used in OSGi manifests -->
         <javax.validation.version>2.0.1.Final</javax.validation.version>
         <jsoup.version>1.14.3</jsoup.version>
         <javax.portlet.version>2.0</javax.portlet.version>
         <vaadin.sass.version>0.9.13</vaadin.sass.version>
+
         <!-- Note that this should be kept in sync with the class Constants -->
-        <atmosphere.runtime.version>2.4.30.vaadin4</atmosphere.runtime.version>
+        <atmosphere.runtime.version>2.4.30.vaadin7</atmosphere.runtime.version>
+        <atmosphere.client.version>2.3.2.vaadin2</atmosphere.client.version>
 
         <!-- OSGi -->
         <osgi.execution.environment>JavaSE-1.8</osgi.execution.environment>
@@ -48,7 +50,10 @@
         <!-- Dependency unpack directory -->
         <dependency.unpack.directory>${project.build.directory}/dependency-unpack</dependency.unpack.directory>
  
-        <jetty.version>9.4.43.v20210629</jetty.version>
+        <jetty.version>9.4.56.v20240826</jetty.version>
+        
+        <!-- Javassist, required for compilation on Java 9+ -->
+        <javassist.version>3.30.2-GA</javassist.version>
 
         <!-- Sonar properties -->
         <sonar.java.source>8</sonar.java.source>
@@ -58,6 +63,9 @@
 
         <vaadin.icons.version>3.0.2</vaadin.icons.version>
         <vaadin.testbench.version>5.2.0</vaadin.testbench.version>
+        
+        <!-- Required for testing -->
+        <hsqldb.version>2.7.4</hsqldb.version>
     </properties>
 
     <pluginRepositories>
@@ -103,7 +111,7 @@
         <license>
             <name>Apache License Version 2.0</name>
             <distribution>repo</distribution>
-            <url>http://www.apache.org/licenses/LICENSE-2.0</url>
+            <url>https://www.apache.org/licenses/LICENSE-2.0</url>
         </license>
     </licenses>
     <scm>
@@ -118,12 +126,12 @@
             <dependency>
                 <groupId>commons-io</groupId>
                 <artifactId>commons-io</artifactId>
-                <version>2.7</version>
+                <version>2.17.0</version>
             </dependency>
             <dependency>
                 <groupId>commons-cli</groupId>
                 <artifactId>commons-cli</artifactId>
-                <version>1.2</version>
+                <version>1.4</version>
             </dependency>
             <dependency>
                 <groupId>commons-lang</groupId>
@@ -133,7 +141,7 @@
             <dependency>
                 <groupId>commons-codec</groupId>
                 <artifactId>commons-codec</artifactId>
-                <version>1.5</version>
+                <version>1.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>
@@ -182,7 +190,7 @@
                 <groupId>com.vaadin.external.atmosphere.client</groupId>
                 <artifactId>javascript</artifactId>
                 <type>war</type>
-                <version>2.3.2.vaadin2</version>
+                <version>${atmosphere.client.version}</version>
             </dependency>
             <dependency>
                 <groupId>junit</groupId>
@@ -246,11 +254,6 @@
                 <artifactId>hamcrest-all</artifactId>
                 <version>1.3</version>
             </dependency>
-            <dependency>
-                <groupId>org.hsqldb</groupId>
-                <artifactId>hsqldb</artifactId>
-                <version>2.2.6</version>
-            </dependency>
             <dependency>
                 <groupId>com.vaadin</groupId>
                 <artifactId>vaadin-testbench</artifactId>
@@ -356,7 +359,14 @@
             <artifactId>javax.el</artifactId>
             <version>3.0.0</version>
             <scope>test</scope>
-        </dependency>	
+        </dependency>
+        
+        <!-- Required when building on Java 9+ to avoid reflection issues -->
+        <dependency>
+            <groupId>org.javassist</groupId>
+            <artifactId>javassist</artifactId>
+            <version>${javassist.version}</version>
+        </dependency>
     </dependencies>
     <build>
         <pluginManagement>
@@ -477,7 +487,7 @@
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>animal-sniffer-maven-plugin</artifactId>
-                    <version>1.15</version>
+                    <version>1.23</version>
                 </plugin>
                 <plugin>
                     <groupId>org.eclipse.m2e</groupId>
@@ -571,6 +581,46 @@
                         </goals>
                     </execution>
                 </executions>
+            </plugin>
+            
+			<!-- Always flatten all POMs -->
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>flatten-maven-plugin</artifactId>
+                <version>1.4.1</version>
+                <inherited>true</inherited>
+                <executions>
+                    <execution>
+                        <id>flatten</id>
+                        <phase>process-resources</phase>
+                        <goals>
+                            <goal>flatten</goal>
+                        </goals>
+                        <configuration>
+                            <updatePomFile>true</updatePomFile>
+                            <flattenMode>bom</flattenMode>
+                            <!-- Uncomment this to get a full list of dependencies in the resulting POM -->
+                            <!--<flattenDependencyMode>all</flattenDependencyMode>-->
+                            <pomElements>
+                                <parent>expand</parent>
+                                <name>keep</name>
+                                <description>keep</description>
+                                <url>keep</url>
+                                <properties>keep</properties>
+                                <pluginManagement>keep</pluginManagement>
+                                <dependencyManagement>keep</dependencyManagement>
+                                <build>keep</build>
+                            </pomElements>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>flatten-clean</id>
+                        <phase>clean</phase>
+                        <goals>
+                            <goal>clean</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/push/pom.xml b/push/pom.xml
index 5eb112e644..7de6c2a4b2 100644
--- a/push/pom.xml
+++ b/push/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/server/pom.xml b/server/pom.xml
index 94a383e1d6..6539f25b18 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -120,6 +120,8 @@
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
+            <version>${hsqldb.version}</version>
+            <classifier>jdk8</classifier>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/server/src/main/java/com/vaadin/server/Constants.java b/server/src/main/java/com/vaadin/server/Constants.java
index 653cf66c11..754e52b70a 100644
--- a/server/src/main/java/com/vaadin/server/Constants.java
+++ b/server/src/main/java/com/vaadin/server/Constants.java
@@ -66,7 +66,7 @@ public interface Constants {
             + "=================================================================";
 
     // Keep the version number in sync with pom.xml
-    static final String REQUIRED_ATMOSPHERE_RUNTIME_VERSION = "2.4.30.vaadin4";
+    static final String REQUIRED_ATMOSPHERE_RUNTIME_VERSION = "2.4.30.vaadin7";
 
     static final String INVALID_ATMOSPHERE_VERSION_WARNING = "\n"
             + "=================================================================\n"
diff --git a/shared/pom.xml b/shared/pom.xml
index 085f94ecbc..4008f77c5b 100644
--- a/shared/pom.xml
+++ b/shared/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/addon-using-init-param-widget-set/pom.xml b/test/addon-using-init-param-widget-set/pom.xml
index 8dced595f8..d12279747c 100644
--- a/test/addon-using-init-param-widget-set/pom.xml
+++ b/test/addon-using-init-param-widget-set/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/addon-using-no-defined-widget-set/pom.xml b/test/addon-using-no-defined-widget-set/pom.xml
index 1a85a11946..b10ddaab31 100644
--- a/test/addon-using-no-defined-widget-set/pom.xml
+++ b/test/addon-using-no-defined-widget-set/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/addon-using-own-widget-set/pom.xml b/test/addon-using-own-widget-set/pom.xml
index 3c7a5ebeda..903bb81e60 100644
--- a/test/addon-using-own-widget-set/pom.xml
+++ b/test/addon-using-own-widget-set/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/bean-api-validation/pom.xml b/test/bean-api-validation/pom.xml
index 1cf3aec621..24cf6e4360 100644
--- a/test/bean-api-validation/pom.xml
+++ b/test/bean-api-validation/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/bean-impl-validation/pom.xml b/test/bean-impl-validation/pom.xml
index 1eabff4a75..cc53b79bf0 100644
--- a/test/bean-impl-validation/pom.xml
+++ b/test/bean-impl-validation/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/cdi/pom.xml b/test/cdi/pom.xml
index c81341dc13..22c2109e9f 100644
--- a/test/cdi/pom.xml
+++ b/test/cdi/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/default-widget-set/pom.xml b/test/default-widget-set/pom.xml
index 500c1e397e..939755d6ef 100644
--- a/test/default-widget-set/pom.xml
+++ b/test/default-widget-set/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/dependency-rewrite-addon/pom.xml b/test/dependency-rewrite-addon/pom.xml
index 321debd001..c9c3b96396 100644
--- a/test/dependency-rewrite-addon/pom.xml
+++ b/test/dependency-rewrite-addon/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/dependency-rewrite/pom.xml b/test/dependency-rewrite/pom.xml
index 57d062f363..b17adda5da 100644
--- a/test/dependency-rewrite/pom.xml
+++ b/test/dependency-rewrite/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/own-widget-set/pom.xml b/test/own-widget-set/pom.xml
index a449fe8a87..8c4f484470 100644
--- a/test/own-widget-set/pom.xml
+++ b/test/own-widget-set/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/pom.xml b/test/pom.xml
index 9fa6b22168..12c79aac2d 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.vaadin</groupId>
     <artifactId>vaadin-test</artifactId>
diff --git a/test/servlet-containers/generic-tests/pom.xml b/test/servlet-containers/generic-tests/pom.xml
index cfa0700ab9..efe9209964 100644
--- a/test/servlet-containers/generic-tests/pom.xml
+++ b/test/servlet-containers/generic-tests/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/generic-ui/pom.xml b/test/servlet-containers/generic-ui/pom.xml
index 47c3c6836a..9bd3bbc7d5 100644
--- a/test/servlet-containers/generic-ui/pom.xml
+++ b/test/servlet-containers/generic-ui/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/generic/pom.xml b/test/servlet-containers/generic/pom.xml
index 9221dfddce..7557fc664d 100644
--- a/test/servlet-containers/generic/pom.xml
+++ b/test/servlet-containers/generic/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/glassfish/pom.xml b/test/servlet-containers/glassfish/pom.xml
index 7a29faf91a..f4208b9634 100644
--- a/test/servlet-containers/glassfish/pom.xml
+++ b/test/servlet-containers/glassfish/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/jetty8/pom.xml b/test/servlet-containers/jetty8/pom.xml
index 8409e04776..01955cd941 100644
--- a/test/servlet-containers/jetty8/pom.xml
+++ b/test/servlet-containers/jetty8/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/jetty9/pom.xml b/test/servlet-containers/jetty9/pom.xml
index 4a27b57d31..53cb563f59 100644
--- a/test/servlet-containers/jetty9/pom.xml
+++ b/test/servlet-containers/jetty9/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/jsp-integration/pom.xml b/test/servlet-containers/jsp-integration/pom.xml
index c704a6d4b8..cdb5a7c6bb 100644
--- a/test/servlet-containers/jsp-integration/pom.xml
+++ b/test/servlet-containers/jsp-integration/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/karaf/karaf-run/pom.xml b/test/servlet-containers/karaf/karaf-run/pom.xml
index df2ca49de9..4c4398359c 100644
--- a/test/servlet-containers/karaf/karaf-run/pom.xml
+++ b/test/servlet-containers/karaf/karaf-run/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>vaadin-test-karaf</artifactId>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/karaf/pom.xml b/test/servlet-containers/karaf/pom.xml
index 0a2d45e9a4..ed0082bec8 100644
--- a/test/servlet-containers/karaf/pom.xml
+++ b/test/servlet-containers/karaf/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/karaf/vaadin-karaf-bundle1/pom.xml b/test/servlet-containers/karaf/vaadin-karaf-bundle1/pom.xml
index 913b4bfd16..e101e13e2a 100644
--- a/test/servlet-containers/karaf/vaadin-karaf-bundle1/pom.xml
+++ b/test/servlet-containers/karaf/vaadin-karaf-bundle1/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
diff --git a/test/servlet-containers/karaf/vaadin-karaf-bundle2/pom.xml b/test/servlet-containers/karaf/vaadin-karaf-bundle2/pom.xml
index b5a9b12ab1..7ca1e9d5b5 100644
--- a/test/servlet-containers/karaf/vaadin-karaf-bundle2/pom.xml
+++ b/test/servlet-containers/karaf/vaadin-karaf-bundle2/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
diff --git a/test/servlet-containers/liberty-javaee/pom.xml b/test/servlet-containers/liberty-javaee/pom.xml
index 1146c2eacb..783344b2b1 100644
--- a/test/servlet-containers/liberty-javaee/pom.xml
+++ b/test/servlet-containers/liberty-javaee/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -39,7 +39,7 @@
                 <configuration>
                     <systemPropertyVariables>
                         <!-- FIXME: Fix liberty to use the same port as everything else. -->
-                        <deployment.url>http://localhost:9080</deployment.url>
+                        <deployment.url>https://localhost:9080</deployment.url>
                     </systemPropertyVariables>
                 </configuration>
             </plugin>
diff --git a/test/servlet-containers/liberty-microprofile/pom.xml b/test/servlet-containers/liberty-microprofile/pom.xml
index c6102b677d..283b1a431d 100644
--- a/test/servlet-containers/liberty-microprofile/pom.xml
+++ b/test/servlet-containers/liberty-microprofile/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -39,7 +39,7 @@
                 <configuration>
                     <systemPropertyVariables>
                         <!-- FIXME: Fix liberty to use the same port as everything else. -->
-                        <deployment.url>http://localhost:9080</deployment.url>
+                        <deployment.url>https://localhost:9080</deployment.url>
                     </systemPropertyVariables>
                 </configuration>
             </plugin>
diff --git a/test/servlet-containers/liberty-webprofile/pom.xml b/test/servlet-containers/liberty-webprofile/pom.xml
index 442610e26b..c89ee4a329 100644
--- a/test/servlet-containers/liberty-webprofile/pom.xml
+++ b/test/servlet-containers/liberty-webprofile/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -39,7 +39,7 @@
                 <configuration>
                     <systemPropertyVariables>
                         <!-- FIXME: Fix liberty to use the same port as everything else. -->
-                        <deployment.url>http://localhost:9080</deployment.url>
+                        <deployment.url>https://localhost:9080</deployment.url>
                     </systemPropertyVariables>
                 </configuration>
             </plugin>
diff --git a/test/servlet-containers/payara-micro/pom.xml b/test/servlet-containers/payara-micro/pom.xml
index 2a27a664b5..c29f0f8a81 100644
--- a/test/servlet-containers/payara-micro/pom.xml
+++ b/test/servlet-containers/payara-micro/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/pom.xml b/test/servlet-containers/pom.xml
index 1eb92f6415..90aa769a5a 100644
--- a/test/servlet-containers/pom.xml
+++ b/test/servlet-containers/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/tomcat7/pom.xml b/test/servlet-containers/tomcat7/pom.xml
index 6951bafc75..aa164fe7f3 100644
--- a/test/servlet-containers/tomcat7/pom.xml
+++ b/test/servlet-containers/tomcat7/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/tomcat80/pom.xml b/test/servlet-containers/tomcat80/pom.xml
index 8cdea06fcb..2fb445d0c5 100644
--- a/test/servlet-containers/tomcat80/pom.xml
+++ b/test/servlet-containers/tomcat80/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/tomcat85/pom.xml b/test/servlet-containers/tomcat85/pom.xml
index 90afc6271c..8a9277d05a 100644
--- a/test/servlet-containers/tomcat85/pom.xml
+++ b/test/servlet-containers/tomcat85/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/tomcat9/pom.xml b/test/servlet-containers/tomcat9/pom.xml
index a8a9892c20..b5ebf9e739 100644
--- a/test/servlet-containers/tomcat9/pom.xml
+++ b/test/servlet-containers/tomcat9/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/wildfly-swarm/pom.xml b/test/servlet-containers/wildfly-swarm/pom.xml
index bb4cd88bf7..9556ecc9f1 100644
--- a/test/servlet-containers/wildfly-swarm/pom.xml
+++ b/test/servlet-containers/wildfly-swarm/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/wildfly10/pom.xml b/test/servlet-containers/wildfly10/pom.xml
index b57c5b30c5..1230c539db 100644
--- a/test/servlet-containers/wildfly10/pom.xml
+++ b/test/servlet-containers/wildfly10/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/wildfly11/pom.xml b/test/servlet-containers/wildfly11/pom.xml
index bd9a87532f..acaca68b3b 100644
--- a/test/servlet-containers/wildfly11/pom.xml
+++ b/test/servlet-containers/wildfly11/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/wildfly12/pom.xml b/test/servlet-containers/wildfly12/pom.xml
index f503db3a0f..86c7d11b03 100644
--- a/test/servlet-containers/wildfly12/pom.xml
+++ b/test/servlet-containers/wildfly12/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/wildfly13/pom.xml b/test/servlet-containers/wildfly13/pom.xml
index 8859798c6f..935ba18d0f 100644
--- a/test/servlet-containers/wildfly13/pom.xml
+++ b/test/servlet-containers/wildfly13/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/wildfly8/pom.xml b/test/servlet-containers/wildfly8/pom.xml
index 31407847fb..2323521fa2 100644
--- a/test/servlet-containers/wildfly8/pom.xml
+++ b/test/servlet-containers/wildfly8/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/servlet-containers/wildfly9/pom.xml b/test/servlet-containers/wildfly9/pom.xml
index 1b24f3bafe..e12a7f9e99 100644
--- a/test/servlet-containers/wildfly9/pom.xml
+++ b/test/servlet-containers/wildfly9/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/space in directory/pom.xml b/test/space in directory/pom.xml
index 6884875cd5..599ce9dc27 100644
--- a/test/space in directory/pom.xml	
+++ b/test/space in directory/pom.xml	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/spring-boot-subcontext/pom.xml b/test/spring-boot-subcontext/pom.xml
index 7965f9a0b5..84158b623a 100644
--- a/test/spring-boot-subcontext/pom.xml
+++ b/test/spring-boot-subcontext/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
diff --git a/test/spring-boot/pom.xml b/test/spring-boot/pom.xml
index 69f8b5aef5..b44ff7c2a6 100644
--- a/test/spring-boot/pom.xml
+++ b/test/spring-boot/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
diff --git a/test/vaadin7-widget-set/pom.xml b/test/vaadin7-widget-set/pom.xml
index 4b03f6ef93..3af8a94eea 100644
--- a/test/vaadin7-widget-set/pom.xml
+++ b/test/vaadin7-widget-set/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/vaadinservletconfiguration-widget-set/pom.xml b/test/vaadinservletconfiguration-widget-set/pom.xml
index f46a01c8fb..e9ae2a0032 100644
--- a/test/vaadinservletconfiguration-widget-set/pom.xml
+++ b/test/vaadinservletconfiguration-widget-set/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/test/widget-set-testutil/pom.xml b/test/widget-set-testutil/pom.xml
index 5acda50e36..92ac3aed14 100644
--- a/test/widget-set-testutil/pom.xml
+++ b/test/widget-set-testutil/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.vaadin</groupId>
     <artifactId>vaadin-test-widget-set-testutil</artifactId>
diff --git a/testbench-api/pom.xml b/testbench-api/pom.xml
index 3081c0f0b2..1540465683 100644
--- a/testbench-api/pom.xml
+++ b/testbench-api/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/themes/pom.xml b/themes/pom.xml
index cb6e7604b9..f1a3c28e55 100644
--- a/themes/pom.xml
+++ b/themes/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
diff --git a/uitest/pom.xml b/uitest/pom.xml
index a8425749e8..9d7ea98701 100644
--- a/uitest/pom.xml
+++ b/uitest/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.vaadin</groupId>
@@ -191,6 +191,8 @@
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
+            <version>${hsqldb.version}</version>
+            <classifier>jdk8</classifier>
         </dependency>
         <!-- This should be removed once tests have been updated to use lang3 -->
         <dependency>
@@ -513,7 +515,5 @@
                 </plugins>
             </build>
         </profile>
-
     </profiles>
-
 </project>
-- 
2.39.5