[FIX JENKINS-17757] IllegalStateException: Timer already cancelled fr…

…om NodesCollector.scheduleCollectNow
jenkinsci · Jul 17, 2013 · c60ffbd · c60ffbd
1 parent 6ea3a1e
commit c60ffbd
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/main/java/org/jvnet/hudson/plugins/monitoring/NodesListener.java b/src/main/java/org/jvnet/hudson/plugins/monitoring/NodesListener.java
@@ -48,7 +48,12 @@ public NodesListener(NodesCollector nodesCollector) {
 	@Override
 	public void onOnline(Computer c, TaskListener listener) throws IOException,
 			InterruptedException {
-		nodesCollector.scheduleCollectNow();
+		try {
+			nodesCollector.scheduleCollectNow();
+		} catch (final IllegalStateException e) {
+			// if timer already canceled, do nothing
+			// [JENKINS-17757] IllegalStateException: Timer already cancelled from NodesCollector.scheduleCollectNow
+		}
 		super.onOnline(c, listener);
 	}