Skip to main content
aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to 'org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/util/SuperTypeHierarchyCache.java')
-rw-r--r--org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/util/SuperTypeHierarchyCache.java6
1 files changed, 4 insertions, 2 deletions
diff --git a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/util/SuperTypeHierarchyCache.java b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/util/SuperTypeHierarchyCache.java
index bbe119c823..9706a173d8 100644
--- a/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/util/SuperTypeHierarchyCache.java
+++ b/org.eclipse.jdt.ui/core extension/org/eclipse/jdt/internal/corext/util/SuperTypeHierarchyCache.java
@@ -54,8 +54,10 @@ public class SuperTypeHierarchyCache {
}
public void dispose() {
- fTypeHierarchy.removeTypeHierarchyChangedListener(this);
- fTypeHierarchy= null;
+ if (fTypeHierarchy != null) {
+ fTypeHierarchy.removeTypeHierarchyChangedListener(this);
+ fTypeHierarchy= null;
+ }
}
/* (non-Javadoc)

Back to the top