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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2018/04/19 18:43:37 UTC
[GitHub] sijie opened a new issue #1618: NPE at topic termination when there
is no consumers connected
sijie opened a new issue #1618: NPE at topic termination when there is no consumers connected
URL: https://github.com/apache/incubator-pulsar/issues/1618
#### Expected behavior
topic termination should work no matter if there are consumers connected or not.
#### Actual behavior
topic termination would fail if there are not consumers connected.
```
Apr 19 17:30:15 localhost broker[14076]: 2018-04-19 17:30:15,814 - ERROR - [pulsar-web-61-30:PersistentTopics@1311] - [null] Failed to terminated topic persistent://x/y/z
Apr 19 17:30:15 localhost broker[14076]: java.lang.NullPointerException
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.pulsar.broker.service.persistent.PersistentSubscription.topicTerminated(PersistentSubscription.java:672)
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.pulsar.broker.service.persistent.PersistentTopic$8.lambda$0(PersistentTopic.java:1444)
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap$Section.forEach(ConcurrentOpenHashMap.java:386)
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap.forEach(ConcurrentOpenHashMap.java:160)
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.pulsar.broker.service.persistent.PersistentTopic$8.terminateComplete(PersistentTopic.java:1444)
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl.asyncTerminate(ManagedLedgerImpl.java:895)
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.pulsar.broker.service.persistent.PersistentTopic.terminate(PersistentTopic.java:1440)
Apr 19 17:30:15 localhost broker[14076]: #011at org.apache.pulsar.broker.admin.PersistentTopics.terminate(PersistentTopics.java:1309)
Apr 19 17:30:15 localhost broker[14076]: #011at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
Apr 19 17:30:15 localhost broker[14076]: #011at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
```
#### Steps to reproduce
- create a topic
- produce messages
- terminate the topic
#### System configuration
**Pulsar version**: 1.22.0
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