[JENKINS-15820] Fix NPE

jenkinsci · Sep 17, 2014 · 34820ce · 34820ce
1 parent 363f3ce
commit 34820ce
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/jclouds-plugin/src/main/java/jenkins/plugins/jclouds/compute/JCloudsRetentionStrategy.java b/jclouds-plugin/src/main/java/jenkins/plugins/jclouds/compute/JCloudsRetentionStrategy.java
@@ -14,10 +14,11 @@
  * @author Vijay Kiran
  */
 public class JCloudsRetentionStrategy extends RetentionStrategy<JCloudsComputer> {
-	private ReentrantLock checkLock = new ReentrantLock(false);
+	private transient ReentrantLock checkLock;
 
 	@DataBoundConstructor
 	public JCloudsRetentionStrategy() {
+			readResolve();
 	}
 
 	@Override
@@ -65,6 +66,11 @@ public String getDisplayName() {
 		}
 	}
 
+	protected Object readResolve() {
+		checkLock = new ReentrantLock(false);
+		return this;
+	}
+
 	private static final Logger LOGGER = Logger.getLogger(JCloudsRetentionStrategy.class.getName());
 
 	public static boolean disabled = Boolean.getBoolean(JCloudsRetentionStrategy.class.getName() + ".disabled");