Serge Smertin created AMQ-5339:
----------------------------------
Summary: LevelDBClient operation failed. NullPointerException
after entering recovery mode
Key: AMQ-5339
URL: https://issues.apache.org/jira/browse/AMQ-5339
Project: ActiveMQ
Issue Type: Bug
Components: activemq-leveldb-store
Affects Versions: 5.8.0
Environment: CentOS 6.5
Reporter: Serge Smertin
Priority: Critical
Once in a while we're getting following exception in AMQ logs and there is no
other way than purging the queue. How can we overcome this issue? Is it okay to
use LevelDB store now? Any answers? :)
2014-09-01 13:25:52,065 [erSimpleAppMain] DEBUG AbstractRegion
- localhost adding destination: queue://files/dead
2014-09-01 13:25:52,081 [erSimpleAppMain] DEBUG TaskRunnerFactory
- Initialized TaskRunnerFactory[ActiveMQ BrokerService[localhost] Task] using
ExecutorService: null
2014-09-01 13:25:52,098 [erSimpleAppMain] WARN LevelDBClient
- DB operation failed. (entering recovery mode)
2014-09-01 13:25:52,099 [erSimpleAppMain] DEBUG LevelDBClient
- java.lang.NullPointerException
java.lang.NullPointerException
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$queueCursor$1.apply(LevelDBClient.scala:966)
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$queueCursor$1.apply(LevelDBClient.scala:962)
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$collectionCursor$1$$anonfun$apply$mcV$sp$9.apply(LevelDBClient.scala:1038)
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$collectionCursor$1$$anonfun$apply$mcV$sp$9.apply(LevelDBClient.scala:1037)
at
org.apache.activemq.leveldb.LevelDBClient$RichDB.check$4(LevelDBClient.scala:309)
at
org.apache.activemq.leveldb.LevelDBClient$RichDB.cursorRange(LevelDBClient.scala:311)
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$collectionCursor$1.apply$mcV$sp(LevelDBClient.scala:1037)
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$collectionCursor$1.apply(LevelDBClient.scala:1037)
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$collectionCursor$1.apply(LevelDBClient.scala:1037)
at
org.apache.activemq.leveldb.LevelDBClient.usingIndex(LevelDBClient.scala:760)
at
org.apache.activemq.leveldb.LevelDBClient$$anonfun$retryUsingIndex$1.apply(LevelDBClient.scala:766)
at
org.apache.activemq.leveldb.util.RetrySupport$.retry(RetrySupport.scala:38)
at
org.apache.activemq.leveldb.LevelDBClient.retry(LevelDBClient.scala:457)
at
org.apache.activemq.leveldb.LevelDBClient.retryUsingIndex(LevelDBClient.scala:766)
at
org.apache.activemq.leveldb.LevelDBClient.collectionCursor(LevelDBClient.scala:1036)
at
org.apache.activemq.leveldb.LevelDBClient.queueCursor(LevelDBClient.scala:962)
at
org.apache.activemq.leveldb.DBManager.cursorMessages(DBManager.scala:633)
at
org.apache.activemq.leveldb.LevelDBStore$LevelDBMessageStore.recoverNextMessages(LevelDBStore.scala:643)
at org.apache.activemq.broker.region.Queue.initialize(Queue.java:381)
at
org.apache.activemq.broker.region.DestinationFactoryImpl.createDestination(DestinationFactoryImpl.java:87)
at
org.apache.activemq.broker.region.AbstractRegion.createDestination(AbstractRegion.java:526)
at
org.apache.activemq.broker.jmx.ManagedQueueRegion.createDestination(ManagedQueueRegion.java:56)
at
org.apache.activemq.broker.region.AbstractRegion.addDestination(AbstractRegion.java:136)
at
org.apache.activemq.broker.region.RegionBroker.addDestination(RegionBroker.java:277)
at
org.apache.activemq.broker.BrokerFilter.addDestination(BrokerFilter.java:145)
at
org.apache.activemq.advisory.AdvisoryBroker.addDestination(AdvisoryBroker.java:174)
at
org.apache.activemq.broker.BrokerFilter.addDestination(BrokerFilter.java:145)
at
org.apache.activemq.broker.BrokerFilter.addDestination(BrokerFilter.java:145)
at
org.apache.activemq.broker.MutableBrokerFilter.addDestination(MutableBrokerFilter.java:151)
at
org.apache.activemq.broker.region.AbstractRegion.start(AbstractRegion.java:98)
at
org.apache.activemq.broker.region.RegionBroker.start(RegionBroker.java:179)
at
org.apache.activemq.broker.jmx.ManagedRegionBroker.start(ManagedRegionBroker.java:119)
at org.apache.activemq.broker.BrokerFilter.start(BrokerFilter.java:157)
at org.apache.activemq.broker.BrokerFilter.start(BrokerFilter.java:157)
at
org.apache.activemq.broker.TransactionBroker.start(TransactionBroker.java:122)
at
org.apache.activemq.broker.BrokerService$5.start(BrokerService.java:2078)
at
org.apache.activemq.broker.BrokerService.doStartBroker(BrokerService.java:636)
at
org.apache.activemq.broker.BrokerService.startBroker(BrokerService.java:617)
at
org.apache.activemq.broker.BrokerService.start(BrokerService.java:553)
at
org.apache.activemq.xbean.XBeanBrokerService.afterPropertiesSet(XBeanBrokerService.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
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