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https://issues.apache.org/jira/browse/BOOKKEEPER-43?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13082946#comment-13082946
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Utkarsh Srivastava commented on BOOKKEEPER-43:
----------------------------------------------
+1, LGTM
> NullPointException when releasing topic
> ---------------------------------------
>
> Key: BOOKKEEPER-43
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-43
> Project: Bookkeeper
> Issue Type: Bug
> Components: hedwig-server
> Affects Versions: 3.4.0
> Reporter: Sijie Guo
> Fix For: 3.4.0
>
> Attachments: bookkeeper-43.patch
>
>
> 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)
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