Properly remove service destroy listeners (#9304)

Fixes #9291

2 files changed, 31 insertions, 1 deletions

diff --git a/server/src/main/java/com/vaadin/server/VaadinService.java b/server/src/main/java/com/vaadin/server/VaadinService.java
index 1f687e91b0..3b56457c92 100644
--- a/server/src/main/java/com/vaadin/server/VaadinService.java
+++ b/server/src/main/java/com/vaadin/server/VaadinService.java
@@ -1986,7 +1986,7 @@ public abstract class VaadinService implements Serializable {
      */
     @Deprecated
     public void removeServiceDestroyListener(ServiceDestroyListener listener) {
-        serviceDestroyListeners.remove(serviceDestroyListeners);
+        serviceDestroyListeners.remove(listener);
     }
 
     /**
diff --git a/server/src/test/java/com/vaadin/server/VaadinServiceTest.java b/server/src/test/java/com/vaadin/server/VaadinServiceTest.java
index 59ddaf3e67..7d6cc70146 100644
--- a/server/src/test/java/com/vaadin/server/VaadinServiceTest.java
+++ b/server/src/test/java/com/vaadin/server/VaadinServiceTest.java
@@ -26,6 +26,7 @@ import org.easymock.EasyMock;
 import org.junit.Assert;
 import org.junit.Test;
 
+import com.vaadin.shared.Registration;
 import com.vaadin.util.CurrentInstance;
 
 /**
@@ -44,6 +45,17 @@ public class VaadinServiceTest {
         }
     }
 
+    private class TestServiceDestroyListener implements ServiceDestroyListener {
+
+        int callCount = 0;
+
+        @Override
+        public void serviceDestroy(ServiceDestroyEvent event) {
+            callCount++;
+        }
+
+    }
+
     private String createCriticalNotification(String caption, String message,
             String details, String url) {
         return VaadinService.createCriticalNotificationJSON(caption, message,
@@ -169,4 +181,22 @@ public class VaadinServiceTest {
         return service;
     }
 
+    @Test
+    public void fireServiceDestroy() {
+        VaadinService service = createService();
+        TestServiceDestroyListener listener = new TestServiceDestroyListener();
+        TestServiceDestroyListener listener2 = new TestServiceDestroyListener();
+        service.addServiceDestroyListener(listener);
+        Registration remover2 = service.addServiceDestroyListener(listener2);
+
+        service.destroy();
+        Assert.assertEquals(1, listener.callCount);
+        Assert.assertEquals(1, listener2.callCount);
+        service.removeServiceDestroyListener(listener);
+        remover2.remove();
+
+        service.destroy();
+        Assert.assertEquals(1, listener.callCount);
+        Assert.assertEquals(1, listener2.callCount);
+    }
 }