use create=false on your vm: urls, so that they won't create a broker, just connect to an existing one. Also, waitForStart can cause it to return after a timeout if it cannot connect.
see: http://activemq.apache.org/vm-transport-reference.html On 19 January 2011 17:30, Shelley, Ryan <ryan.shel...@disney.com> wrote: > I know for a fact that the issue is our NFS mount. We have experienced it > with other tools, and those tools provided options for locking via other > mechanisms. I've attempted to set "?broker.persistent=false" in all of my > connections (I'm not explicitly starting any brokers in my application as I > have external ActiveMQ brokers running), so I'm not sure what VM instance > could be trying to create a persistent journal. In the one VM connection we > had, I changed it to be TCP and it still was attempting to start a VM broker > and failed with the same error. I'm pretty much at a loss at the moment. > > -Ryan > > -----Original Message----- > From: Stan Lewis [mailto:sle...@fusesource.com] > Sent: Tuesday, January 18, 2011 5:15 PM > To: users@activemq.apache.org > Subject: Re: ActiveMQ and NFS mounts > > It looks like you're running out of file locks at the operating system > level. You'll have to do a bit of research to see what the default > resource limit is for the max number of file locks allowed on your > operating system and see how to change it. This can happen whether or > not you're running with the store on an NFS mount, it tends to be more > prevalent with NFS though because NFS doesn't always support file > locks, or typically the server process that manages distributed locks > isn't running. In this case though you're hitting a kernel resource > limit for file locks. > > Or worst case you could probably switch to an in-memory store for your > CI builds and avoid the issue altogether. > > On Tue, Jan 18, 2011 at 6:14 PM, Shelley, Ryan <ryan.shel...@disney.com> > wrote: >> Here's the actual stacktrace: >> >> 2011-01-18 04:36:25,488 [main] ERROR >> org.apache.activemq.broker.BrokerService - Failed to start ActiveMQ JMS >> Message Broker. Reason: java.io.IOException: No locks available >> java.io.IOException: No locks available >> at sun.nio.ch.FileChannelImpl.lock0(Native Method) >> at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:881) >> at java.nio.channels.FileChannel.tryLock(FileChannel.java:962) >> at >> org.apache.activemq.store.amq.AMQPersistenceAdapter.doLock(AMQPersistenceAdapter.java:948) >> at >> org.apache.activemq.store.amq.AMQPersistenceAdapter.lock(AMQPersistenceAdapter.java:908) >> at >> org.apache.activemq.store.amq.AMQPersistenceAdapter.start(AMQPersistenceAdapter.java:167) >> at >> org.apache.activemq.broker.BrokerService.createRegionBroker(BrokerService.java:1577) >> at >> org.apache.activemq.broker.BrokerService.createBroker(BrokerService.java:1530) >> at >> org.apache.activemq.broker.BrokerService.getBroker(BrokerService.java:540) >> at >> org.apache.activemq.broker.BrokerService.start(BrokerService.java:444) >> at >> org.apache.activemq.transport.vm.VMTransportFactory.doCompositeConnect(VMTransportFactory.java:119) >> at >> org.apache.activemq.transport.vm.VMTransportFactory.doConnect(VMTransportFactory.java:53) >> at >> org.apache.activemq.transport.TransportFactory.doConnect(TransportFactory.java:47) >> at >> org.apache.activemq.transport.TransportFactory.connect(TransportFactory.java:76) >> at >> org.apache.activemq.ActiveMQConnectionFactory.createTransport(ActiveMQConnectionFactory.java:235) >> at >> org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:250) >> at >> org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:222) >> at >> org.apache.activemq.ActiveMQConnectionFactory.createConnection(ActiveMQConnectionFactory.java:170) >> at >> org.springframework.jms.support.JmsAccessor.createConnection(JmsAccessor.java:188) >> at >> org.springframework.jms.listener.AbstractJmsListeningContainer.createSharedConnection(AbstractJmsListeningContainer.java:209) >> at >> org.springframework.jms.listener.AbstractJmsListeningContainer.establishSharedConnection(AbstractJmsListeningContainer.java:181) >> at >> org.springframework.jms.listener.AbstractJmsListeningContainer.doStart(AbstractJmsListeningContainer.java:345) >> at >> org.springframework.jms.listener.AbstractJmsListeningContainer.initialize(AbstractJmsListeningContainer.java:158) >> at >> org.springframework.jms.listener.AbstractJmsListeningContainer.afterPropertiesSet(AbstractJmsListeningContainer.java:133) >> at >> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1390) >> at >> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1359) >> at >> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:540) >> at >> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:485) >> at java.security.AccessController.doPrivileged(Native Method) >> at >> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:455) >> at >> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:251) >> at >> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:169) >> at >> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:248) >> at >> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:170) >> at >> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:413) >> at >> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:735) >> at >> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:369) >> at >> org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:96) >> at >> org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:44) >> at >> org.springframework.test.context.TestContext.buildApplicationContext(TestContext.java:198) >> at >> org.springframework.test.context.TestContext.getApplicationContext(TestContext.java:233) >> at >> org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:126) >> at >> org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:85) >> at >> org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:231) >> at >> org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:95) >> at >> org.springframework.test.context.junit4.SpringJUnit4ClassRunner.invokeTestMethod(SpringJUnit4ClassRunner.java:139) >> at >> org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51) >> at >> org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44) >> at >> org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27) >> at >> org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37) >> at >> org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42) >> at >> org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:59) >> at >> org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:120) >> at >> org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:103) >> at org.apache.maven.surefire.Surefire.run(Surefire.java:169) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:350) >> at >> org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1021) >> >> -----Original Message----- >> From: Shelley, Ryan [mailto:ryan.shel...@disney.com] >> Sent: Tuesday, January 18, 2011 3:11 PM >> To: 'users@activemq.apache.org' >> Subject: ActiveMQ and NFS mounts >> >> I have a Continuous Integration system that runs on an NFS mount. I'm >> getting errors about ActiveMQ not being able to obtain a lock, which I've >> seen before in my code coverage tools, due to our NFS mount. >> >> The only broker we have running during a CI test case is a VM broker, so I >> tried appending "?dataDirectory=/tmp" to the VM URI to move the journal to >> an actual disk but I get the same failure (we aren't using a XML config for >> a VM broker, so I'm trying to configure it through the URI). Is there >> something I'm missing or something I can try to avoid the locks? I don't >> care that it can't get a lock because it's just a CI test case, but it's >> causing our entire build to fail. Any ideas? >> >> Thanks! >> >> -Ryan >> >> > > > > -- > Stan Lewis > FuseSource > Email: sle...@fusesource.com > Web: http://fusesource.com > Twitter: gashcrumb > -- http://blog.garytully.com http://fusesource.com
