From 524751e07a275e482607f3c1a131025bf7824584 Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Fri, 9 Dec 2011 16:38:03 +0100
Subject: [PATCH] do not use disposed alarm

---
 .../intellij/debugger/impl/DebuggerSession.java  | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerSession.java b/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerSession.java
index 756ea44af65f..986821bc0697 100644
--- a/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerSession.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerSession.java
@@ -584,13 +584,15 @@ public class DebuggerSession implements AbstractDebuggerSession {
     }
     
     private void notifyThreadsRefresh() {
-      myUpdateAlarm.cancelAllRequests();
-      myUpdateAlarm.addRequest(new Runnable() {
-        public void run() {
-          final DebuggerStateManager contextManager = getContextManager();
-          contextManager.fireStateChanged(contextManager.getContext(), EVENT_THREADS_REFRESH);
-        }
-      }, 100, ModalityState.NON_MODAL);
+      if (!myUpdateAlarm.isDisposed()) {
+        myUpdateAlarm.cancelAllRequests();
+        myUpdateAlarm.addRequest(new Runnable() {
+          public void run() {
+            final DebuggerStateManager contextManager = getContextManager();
+            contextManager.fireStateChanged(contextManager.getContext(), EVENT_THREADS_REFRESH);
+          }
+        }, 100, ModalityState.NON_MODAL);
+      }
     }
   }