Fixing dependency problem with jackson

archiva-modules/metadata/metadata-store-provider/metadata-store-cassandra/pom.xml

             <groupId>javax.validation</groupId>
             <artifactId>validation-api</artifactId>
           </exclusion>
+        <exclusion>
+          <groupId>com.fasterxml.jackson.core</groupId>
+          <artifactId>jackson-core</artifactId>
+        </exclusion>
 
 
       </exclusions>
       <artifactId>netty-all</artifactId>
       <version>${netty.version}</version>
     </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-core</artifactId>
+    </dependency>
 
     <!-- Is a dependency of cassandra -> hibernate-validator and replaced by new version -->
     <dependency>

pom.xml

 
 
       <!-- START SNIPPET: rest-dependencies -->
+      
+      <dependency>
+        <groupId>com.fasterxml.jackson.core</groupId>
+        <artifactId>jackson-core</artifactId>
+        <version>${jackson.version}</version>
+      </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.jaxrs</groupId>
         <artifactId>jackson-jaxrs-json-provider</artifactId>