From 8d9a92d7ba77397b3a1a62a40521c3f65d2b973c Mon Sep 17 00:00:00 2001
From: Manuel Rego Casasnovas <rego@igalia.com>
Date: Wed, 28 Nov 2012 09:44:27 +0100
Subject: [PATCH] Bug 1581: Avoid exception when desktop is not alive in
 LongOperationFeedback

FEA: ItEr77S04BugFixing
---
 .../main/java/org/zkoss/ganttz/util/LongOperationFeedback.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/util/LongOperationFeedback.java b/ganttzk/src/main/java/org/zkoss/ganttz/util/LongOperationFeedback.java
index 4c6426607..ff35a0c8b 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/util/LongOperationFeedback.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/util/LongOperationFeedback.java
@@ -266,6 +266,9 @@ public class LongOperationFeedback {
                 if (current.isEnd()) {
                     return;
                 }
+                if (!desktop.isAlive()) {
+                    return;
+                }
                 try {
                     Executions.activate(desktop);
                 } catch (Exception e) {