please goto https://issues.apache.org/jira/browse/AMQ-6559
my activemq throws Exception and could not work properly。 activemq.log is full of log like this: 2017-01-11 22:35:12,331 | WARN | Async error occurred: | org.apache.activemq.broker.TransportConnection.Service | ActiveMQ Transport: tcp:///10.40.189.204:12188@61616 java.lang.NullPointerException at org.apache.activemq.store.kahadb.MultiKahaDBPersistenceAdapter.size(MultiKahaDBPersistenceAdapter.java:316)[activemq-kahadb-store-5.10.0.jar:5.10.0] at org.apache.activemq.usage.StoreUsage.retrieveUsage(StoreUsage.java:51)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.usage.Usage.caclPercentUsage(Usage.java:279)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.usage.Usage.isFull(Usage.java:126)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.usage.Usage.isFull(Usage.java:121)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.Queue.checkUsage(Queue.java:959)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.Queue.doMessageSend(Queue.java:903)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.Queue.send(Queue.java:733)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:424)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:445)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.jmx.ManagedRegionBroker.send(ManagedRegionBroker.java:297)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:96)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:307)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:152)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:496)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:756)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:294)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:148)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:270)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:214)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:196)[activemq-client-5.10.0.jar:5.10.0] at java.lang.Thread.run(Thread.java:662)[:1.6.0_30] 2017-01-11 22:35:12,339 | WARN | Async error occurred: | org.apache.activemq.broker.TransportConnection.Service | ActiveMQ Transport: tcp:///10.40.189.179:44900@61616 java.lang.NullPointerException at org.apache.activemq.store.kahadb.MultiKahaDBPersistenceAdapter.size(MultiKahaDBPersistenceAdapter.java:316)[activemq-kahadb-store-5.10.0.jar:5.10.0] at org.apache.activemq.usage.StoreUsage.retrieveUsage(StoreUsage.java:51)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.usage.Usage.caclPercentUsage(Usage.java:279)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.usage.Usage.isFull(Usage.java:126)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.usage.Usage.isFull(Usage.java:121)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.Queue.checkUsage(Queue.java:959)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.Queue.doMessageSend(Queue.java:903)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.Queue.send(Queue.java:733)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:424)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:445)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.jmx.ManagedRegionBroker.send(ManagedRegionBroker.java:297)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:96)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:307)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:152)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:496)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:756)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:294)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:148)[activemq-broker-5.10.0.jar:5.10.0] at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:270)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:214)[activemq-client-5.10.0.jar:5.10.0] at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:196)[activemq-client-5.10.0.jar:5.10.0] at java.lang.Thread.run(Thread.java:662)[:1.6.0_30] please give some hlep, thanks~ -- View this message in context: http://activemq.2283324.n4.nabble.com/MultiKahaDBPersistenceAdapter-crash-tp4721008.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
