[QPID-4062] Java system tests sometimes fail due to JMX port already initialised

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.16
• Fix Version/s: 0.17
• Component/s: Java Tests
• Assignee: Robert Godfrey
• Reporter: Phil Harvey
• Created: 12/Jun/12 16:19
• Updated: 14/Mar/17 20:13
• Resolved: 12/Jun/12 16:58

Description

I'm often seeing errors such as this:

java.rmi.server.ExportException: Port already in use: 18999; nested exception is: 
	java.net.BindException: Address already in use
	at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:310)
	at sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:218)
	at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:393)
	at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:129)
	at sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:190)
	at sun.rmi.registry.RegistryImpl.setup(RegistryImpl.java:92)
	at sun.rmi.registry.RegistryImpl.<init>(RegistryImpl.java:68)
	at java.rmi.registry.LocateRegistry.createRegistry(LocateRegistry.java:222)
	at org.apache.qpid.server.management.JMXManagedObjectRegistry.start(JMXManagedObjectRegistry.java:215)
	at org.apache.qpid.server.registry.ApplicationRegistry.initialise(ApplicationRegistry.java:311)
	at org.apache.qpid.server.registry.ApplicationRegistry.initialise(ApplicationRegistry.java:202)
	at org.apache.qpid.server.Broker.startupImpl(Broker.java:123)
	at org.apache.qpid.server.Broker.startup(Broker.java:97)
	at org.apache.qpid.test.utils.QpidBrokerTestCase.startBroker(QpidBrokerTestCase.java:394)
	at org.apache.qpid.test.utils.QpidBrokerTestCase.startBroker(QpidBrokerTestCase.java:354)
	at org.apache.qpid.test.utils.QpidBrokerTestCase.startBroker(QpidBrokerTestCase.java:349)
	at org.apache.qpid.test.utils.QpidBrokerTestCase.setUp(QpidBrokerTestCase.java:295)
	at org.apache.qpid.management.jmx.MessageStatisticsTestCase.setUp(MessageStatisticsTestCase.java:61)
	at org.apache.qpid.test.utils.QpidBrokerTestCase.runBare(QpidBrokerTestCase.java:237)
	at org.apache.qpid.test.utils.QpidTestCase.run(QpidTestCase.java:139)
Caused by: java.net.BindException: Address already in use
	at java.net.PlainSocketImpl.socketBind(Native Method)
	at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:365)
	at java.net.ServerSocket.bind(ServerSocket.java:319)
	at java.net.ServerSocket.<init>(ServerSocket.java:185)
	at java.net.ServerSocket.<init>(ServerSocket.java:97)
	at sun.rmi.transport.proxy.RMIDirectSocketFactory.createServerSocket(RMIDirectSocketFactory.java:27)
	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createServerSocket(RMIMasterSocketFactory.java:333)
	at sun.rmi.transport.tcp.TCPEndpoint.newServerSocket(TCPEndpoint.java:649)
	at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:299)