479296 LabelProvider cannot be cast to DependencyListLabelProvider

Change-Id: Id9f2b615dfe759c95053badbdca02300fb72044c
Signed-off-by: Anton Tanasenko <atg.sleepless@gmail.com>

1 files changed, 7 insertions, 5 deletions

diff --git a/org.eclipse.m2e.editor/src/org/eclipse/m2e/editor/pom/DependencyTreePage.java b/org.eclipse.m2e.editor/src/org/eclipse/m2e/editor/pom/DependencyTreePage.java
index 3809d85e..5b1fa25c 100644
--- a/org.eclipse.m2e.editor/src/org/eclipse/m2e/editor/pom/DependencyTreePage.java
+++ b/org.eclipse.m2e.editor/src/org/eclipse/m2e/editor/pom/DependencyTreePage.java
@@ -588,11 +588,13 @@ public class DependencyTreePage extends FormPage implements IMavenProjectChanged
     // defer updating the field while the user is typing.
     final Job updateJob = new WorkbenchJob("Update Maven Dependency Viewers") {
       public IStatus runInUIThread(IProgressMonitor monitor) {
-        isSettingSelection = true;
-        selectListElements(searchMatcher);
-        selectTreeElements(searchMatcher);
-        setTreeFilter(searchFilter, false);
-        isSettingSelection = false;
+        if(!listViewer.getTable().isDisposed()) {
+          isSettingSelection = true;
+          selectListElements(searchMatcher);
+          selectTreeElements(searchMatcher);
+          setTreeFilter(searchFilter, false);
+          isSettingSelection = false;
+        }
         return Status.OK_STATUS;
       }
     };