From aed8506a9120bc68c280c0039406a90c8b5c957e Mon Sep 17 00:00:00 2001
From: Steffen Pingel
Date: Tue, 7 May 2013 00:28:42 +0200
Subject: 401911: IllegalStateException when restarting while synchronization
 is in progress

Change-Id: Ib0eca7d6f205b4b37271fd7beb0d2a8cee509cde
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=401911---
 .../mylyn/internal/tasks/ui/TaskListSynchronizationScheduler.java      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/TaskListSynchronizationScheduler.java b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/TaskListSynchronizationScheduler.java
index 5e2d334ca..757f07ac7 100644
--- a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/TaskListSynchronizationScheduler.java
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/TaskListSynchronizationScheduler.java
@@ -20,6 +20,7 @@ import org.eclipse.mylyn.commons.core.DateUtil;
 import org.eclipse.mylyn.internal.tasks.core.ITaskJobFactory;
 import org.eclipse.mylyn.monitor.ui.IUserAttentionListener;
 import org.eclipse.mylyn.tasks.core.sync.SynchronizationJob;
+import org.eclipse.ui.PlatformUI;
 
 /**
  * @author Steffen Pingel
@@ -70,7 +71,7 @@ public class TaskListSynchronizationScheduler implements IUserAttentionListener
 
 	private synchronized void reschedule() {
 		long delay = this.interval;
-		if (delay != 0) {
+		if (delay != 0 && PlatformUI.isWorkbenchRunning()) {
 			if (!userActive) {
 				// triple scheduling interval each time
 				this.inactiveInterval *= 3;
-- 
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