[QPID-8137] [Broker-J] NPE is reported into broker logs on broker shutdown/restart when AMQP port is in ERRORED state due to port being bound by other process

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: qpid-java-broker-7.0.2, qpid-java-broker-7.0.0, qpid-java-broker-7.0.1
• Fix Version/s: qpid-java-broker-7.0.3, qpid-java-broker-7.1.0
• Component/s: Broker-J
• Assignee: Alex Rudyy
• Reporter: Alex Rudyy
• Created: 19/Mar/18 12:41
• Updated: 09/Apr/18 15:29
• Resolved: 22/Mar/18 18:32

Description

The following NPE is reported into broker logs on broker shutdown/restart when AMQP port is in ERRORED state due to port being bound by other process:

java.lang.NullPointerException: null
	at org.apache.qpid.server.transport.TCPandSSLTransport.getAcceptingPort(TCPandSSLTransport.java:86)
	at org.apache.qpid.server.model.port.AmqpPortImpl.closeTransport(AmqpPortImpl.java:309)
	at org.apache.qpid.server.model.port.AmqpPortImpl.onClose(AmqpPortImpl.java:285)
	at org.apache.qpid.server.model.AbstractConfiguredObject$5$2.call(AbstractConfiguredObject.java:791)
	at org.apache.qpid.server.model.AbstractConfiguredObject$5$2.call(AbstractConfiguredObject.java:787)
	at org.apache.qpid.server.model.AbstractConfiguredObject$21.onSuccess(AbstractConfiguredObject.java:2745)
	at org.apache.qpid.server.model.AbstractConfiguredObject$24$1.run(AbstractConfiguredObject.java:2880)
	at org.apache.qpid.server.model.AbstractConfiguredObject$24$1.run(AbstractConfiguredObject.java:2876)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:360)
	at org.apache.qpid.server.model.AbstractConfiguredObject$24.onSuccess(AbstractConfiguredObject.java:2875)
	at com.google.common.util.concurrent.Futures$CallbackListener.run(Futures.java:1237)
	at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$ImmediateIfSameThreadExecutor.execute(TaskExecutorImpl.java:400)
	at org.apache.qpid.server.configuration.updater.TaskExecutorImpl.execute(TaskExecutorImpl.java:183)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:911)
	at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:645)
	at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1209)
	at org.apache.qpid.server.model.AbstractConfiguredObject.addFutureCallback(AbstractConfiguredObject.java:2870)
	at org.apache.qpid.server.model.AbstractConfiguredObject.doAfter(AbstractConfiguredObject.java:2738)
	at org.apache.qpid.server.model.AbstractConfiguredObject$ChainedSettableFuture.then(AbstractConfiguredObject.java:2714)
	at org.apache.qpid.server.model.AbstractConfiguredObject$5.execute(AbstractConfiguredObject.java:786)
	at org.apache.qpid.server.model.AbstractConfiguredObject$5.execute(AbstractConfiguredObject.java:766)
	at org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:639)
	at org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:632)
	at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$TaskLoggingWrapper.execute(TaskExecutorImpl.java:248)
	at org.apache.qpid.server.configuration.updater.TaskExecutorImpl.submitWrappedTask(TaskExecutorImpl.java:165)
	at org.apache.qpid.server.configuration.updater.TaskExecutorImpl.submit(TaskExecutorImpl.java:153)
	at org.apache.qpid.server.model.AbstractConfiguredObject.doOnConfigThread(AbstractConfiguredObject.java:631)
	at org.apache.qpid.server.model.AbstractConfiguredObject.closeAsync(AbstractConfiguredObject.java:765)
	at org.apache.qpid.server.model.AbstractConfiguredObject$3.performAction(AbstractConfiguredObject.java:707)
	at org.apache.qpid.server.model.AbstractConfiguredObject$3.performAction(AbstractConfiguredObject.java:703)
	at org.apache.qpid.server.model.AbstractConfiguredObject.applyToChildren(AbstractConfiguredObject.java:1313)
	at org.apache.qpid.server.model.AbstractConfiguredObject.closeChildren(AbstractConfiguredObject.java:702)
	at org.apache.qpid.server.model.AbstractConfiguredObject$5$3.call(AbstractConfiguredObject.java:784)
	at org.apache.qpid.server.model.AbstractConfiguredObject$5$3.call(AbstractConfiguredObject.java:780)
	at org.apache.qpid.server.model.AbstractConfiguredObject$21.onSuccess(AbstractConfiguredObject.java:2745)

Broker process hangs when a restart operation is invoked via management interfaces. The issue can be work around by shutting down (or killing) the broker and starting it again.