[BOOKKEEPER-43] NullPointException when releasing topic

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: hedwig-server
• Assignee: Ivan Kelly
• Reporter: Sijie Guo
• Created: 11/Aug/11 05:20
• Updated: 07/Dec/11 15:56
• Resolved: 23/Aug/11 22:35

Description

Got NullPoint Exception when releasing topic.

java.lang.NullPointerException
at org.apache.hedwig.server.subscriptions.AbstractSubscriptionManager.lostTopic(AbstractSubscriptionManager.java:221)
at org.apache.hedwig.server.topics.AbstractTopicManager.realReleaseTopic(AbstractTopicManager.java:153)
at org.apache.hedwig.server.topics.AbstractTopicManager.access$000(AbstractTopicManager.java:38)
at org.apache.hedwig.server.topics.AbstractTopicManager$1.operationFailed(AbstractTopicManager.java:140)
at org.apache.hedwig.util.CallbackUtils$1.tick(CallbackUtils.java:75)
at org.apache.hedwig.util.CallbackUtils$1.operationFailed(CallbackUtils.java:85)
at org.apache.hedwig.server.common.TopicOpQueuer$AsynchronousOp$1.operationFailed(TopicOpQueuer.java:54)
at org.apache.hedwig.server.subscriptions.AbstractSubscriptionManager$AcquireOp$1.operationFailed(AbstractSubscriptionManager.java:139)
at org.apache.hedwig.server.subscriptions.ZkSubscriptionManager$1.safeProcessResult(ZkSubscriptionManager.java:79)
at org.apache.hedwig.zookeeper.SafeAsyncZKCallback$ChildrenCallback.processResult(SafeAsyncZKCallback.java:66)
at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:567)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:481)