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Posted to dev@activemq.apache.org by "Anuj Khandelwal (JIRA)" <ji...@apache.org> on 2015/02/03 15:34:34 UTC
[jira] [Created] (AMQ-5561) java.lang.NullPointerException while
removing the inactive durable subscriber
Anuj Khandelwal created AMQ-5561:
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Summary: java.lang.NullPointerException while removing the inactive durable subscriber
Key: AMQ-5561
URL: https://issues.apache.org/jira/browse/AMQ-5561
Project: ActiveMQ
Issue Type: Bug
Components: Broker, Message Store
Affects Versions: 5.10.0
Environment: Using ActiveMQ 5.10.
master slave topology with shared kahadb.
Reporter: Anuj Khandelwal
Hi,
We faced an issue where broker was unable to remove an inactive durable subscription after certain period of inactivity. It throws NullPointerException.
I am providing the details below:
ActiveMQ broker config:
<amq:broker persistent="true" brokerName="testbroker"
useJmx="true" <b>offlineDurableSubscriberTimeout="172800000"
offlineDurableSubscriberTaskSchedule="3600000" advisorySupport="false">
Error Message:
Below message comes when a durable subscriber is inactive for configured time and than broker tries to remove it because of inactivity:
[20150121 03:35:33.852 EST (ActiveMQ Durable Subscriber Cleanup Timer) org.apache.activemq.broker.region.TopicRegion#doCleanup 102 ERROR] - Failed to remove inactive durable subscriber
java.lang.NullPointerException
at org.apache.activemq.store.kahadb.disk.index.BTreeIndex.loadNode(BTreeIndex.java:264)
at org.apache.activemq.store.kahadb.disk.index.BTreeIndex.getRoot(BTreeIndex.java:174)
at org.apache.activemq.store.kahadb.disk.index.BTreeIndex.clear(BTreeIndex.java:202)
at org.apache.activemq.store.kahadb.MessageDatabase$MessageOrderIndex.remove(MessageDatabase.java:2834)
at org.apache.activemq.store.kahadb.MessageDatabase$MessageOrderIndex.clear(MessageDatabase.java:2826)
at org.apache.activemq.store.kahadb.MessageDatabase.updateIndex(MessageDatabase.java:1471)
at org.apache.activemq.store.kahadb.MessageDatabase$15.execute(MessageDatabase.java:1204)
at org.apache.activemq.store.kahadb.disk.page.Transaction.execute(Transaction.java:779)
at org.apache.activemq.store.kahadb.MessageDatabase.process(MessageDatabase.java:1201)
at org.apache.activemq.store.kahadb.MessageDatabase$10.visit(MessageDatabase.java:1104)
at org.apache.activemq.store.kahadb.data.KahaSubscriptionCommand.visit(KahaSubscriptionCommand.java:187)
at org.apache.activemq.store.kahadb.MessageDatabase.process(MessageDatabase.java:1071)
at org.apache.activemq.store.kahadb.MessageDatabase.store(MessageDatabase.java:978)
at org.apache.activemq.store.kahadb.MessageDatabase.store(MessageDatabase.java:958)
at org.apache.activemq.store.kahadb.KahaDBStore$KahaDBTopicMessageStore.deleteSubscription(KahaDBStore.java:788)
at org.apache.activemq.store.ProxyTopicMessageStore.deleteSubscription(ProxyTopicMessageStore.java:103)
at org.apache.activemq.store.ProxyTopicMessageStore.deleteSubscription(ProxyTopicMessageStore.java:103)
at org.apache.activemq.broker.region.Topic.deleteSubscription(Topic.java:201)
at org.apache.activemq.broker.region.TopicRegion.removeSubscription(TopicRegion.java:199)
at org.apache.activemq.broker.region.TopicRegion.doCleanup(TopicRegion.java:100)
at org.apache.activemq.broker.region.TopicRegion$1.run(TopicRegion.java:70)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
Thanks,
Anuj
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