Sync error (NullPointerException) in Broker

• Key: AMQ-1066
• Type: Bug
• Status: Resolved
• Resolution: Fixed
• Priority: Major
• Assignee: Unassigned
• Reporter: Christian Cavegn
• Component/s: Broker
• Affects Version/s: 4.0
• Fix Version/s: 4.0.2

Environment

Setup:
One Broker, multiple client applications which are running 24x7
Some queues, some topics

Description

Hi

We use ActiveMQ in a productive environment. Yesterday, one of our application wasn't able to connect to the Broker. I found the following exception in the logfile: (After I restarted the broker, everything was runnig again.)

---

2006-10-09 12:05:37,986 [.27.81.119:1741] INFO Service - Sync error occurred: java.lang.NullPointerException
java.lang.NullPointerException
at org.apache.activemq.util.SubscriptionKey.<init>(SubscriptionKey.java:35)
at org.apache.activemq.broker.jmx.ManagedRegionBroker.registerSubscription(ManagedRegionBroker.java:161)
at org.apache.activemq.broker.jmx.ManagedTopicRegion.createSubscription(ManagedTopicRegion.java:44)
at org.apache.activemq.broker.region.AbstractRegion.addConsumer(AbstractRegion.java:145)
at org.apache.activemq.broker.region.TopicRegion.addConsumer(TopicRegion.java:113)
at org.apache.activemq.broker.region.RegionBroker.addConsumer(RegionBroker.java:296)
at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:73)
at org.apache.activemq.advisory.AdvisoryBroker.addConsumer(AdvisoryBroker.java:77)
at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:73)
at org.apache.activemq.broker.MutableBrokerFilter.addConsumer(MutableBrokerFilter.java:86)
at org.apache.activemq.broker.AbstractConnection.processAddConsumer(AbstractConnection.java:427)
at org.apache.activemq.command.ConsumerInfo.visit(ConsumerInfo.java:295)
at org.apache.activemq.broker.AbstractConnection.service(AbstractConnection.java:201)
at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:62)
at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:97)
at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:63)
at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:114)
at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:122)
at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:87)
at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:143)
at java.lang.Thread.run(Unknown Source)

Comments

[Tom Kaitchuck]

This was fixed in revision 382353 by rajdavies.