[jboss-jira] [JBoss JIRA] (WFLY-2676) Deadlock in StabilityMonitor
David Lloyd created WFLY-2676:
---------------------------------
Summary: Deadlock in StabilityMonitor
Key: WFLY-2676
URL: https://issues.jboss.org/browse/WFLY-2676
Project: WildFly
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: Domain Management
Reporter: Brian Stansberry
Assignee: Brian Stansberry
Priority: Critical
Fix For: 8.0.0.CR1
A deadlock occurred during a testsuite/domain run:
http://brontes.lab.eng.brq.redhat.com/viewLog.html?buildId=7356&build...
The test hung during domain shutdown:
{code}
at
org.jboss.as.test.integration.domain.management.util.ProcessWrapper.waitFor(ProcessWrapper.java:97)
at
org.jboss.as.test.integration.domain.management.util.DomainLifecycleUtil.stop(DomainLifecycleUtil.java:312)
- locked <0xa7ac7318> (a
org.jboss.as.test.integration.domain.management.util.DomainLifecycleUtil)
at
org.jboss.as.test.integration.domain.management.util.DomainTestSupport.stop(DomainTestSupport.java:370)
at
org.jboss.as.test.integration.domain.ServerManagementTestCase.tearDownDomain(ServerManagementTestCase.java:116)
{code}
It's possible that's just when the test client hung, and the issue may have
occurred at some earlier point. On the thread dump of all processes, one of the servers
under the slave HC reported this:
{code}
Found one Java-level deadlock:
=============================
"Controller Boot Thread":
waiting to lock monitor 0x9a2566e0 (object 0xafdc6028, a
org.jboss.msc.service.ServiceControllerImpl),
which is held by "MSC service thread 1-1"
"MSC service thread 1-1":
waiting to lock monitor 0x9a2575b8 (object 0xb014ea70, a java.lang.Object),
which is held by "Controller Boot Thread"
Java stack information for the threads listed above:
===================================================
"Controller Boot Thread":
at
org.jboss.msc.service.ServiceControllerImpl.removeMonitorNoCallback(ServiceControllerImpl.java:1486)
- waiting to lock <0xafdc6028> (a org.jboss.msc.service.ServiceControllerImpl)
at org.jboss.msc.service.StabilityMonitor.clear(StabilityMonitor.java:175)
- locked <0xb014ea70> (a java.lang.Object)
at org.jboss.as.server.BootstrapListener.printBootStatistics(BootstrapListener.java:70)
at org.jboss.as.server.ServerService.boot(ServerService.java:345)
at
org.jboss.as.controller.AbstractControllerService$1.run(AbstractControllerService.java:256)
at java.lang.Thread.run(Thread.java:724)
"MSC service thread 1-1":
at
org.jboss.msc.service.StabilityMonitor.removeControllerNoCallback(StabilityMonitor.java:151)
- waiting to lock <0xb014ea70> (a java.lang.Object)
at
org.jboss.msc.service.ServiceControllerImpl.transition(ServiceControllerImpl.java:688)
at
org.jboss.msc.service.ServiceControllerImpl$RemoveTask.run(ServiceControllerImpl.java:2267)
- locked <0xafdc6028> (a org.jboss.msc.service.ServiceControllerImpl)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
{code}
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