Java stack information for the threads listed above: =================================================== "AtmostOneTaskExecutor[hudson.model.Queue$1@6a0918b1] [#13]": at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000007dccc7200> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(AbstractQueuedSynchronizer.java:964) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1282) at java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock(ReentrantReadWriteLock.java:731) at hudson.model.Executor.isParking(Executor.java:609) at hudson.model.Queue.maintain(Queue.java:1277) at hudson.model.Queue$1.call(Queue.java:334) at hudson.model.Queue$1.call(Queue.java:331) at jenkins.util.AtmostOneTaskExecutor$1.call(AtmostOneTaskExecutor.java:101) at jenkins.util.AtmostOneTaskExecutor$1.call(AtmostOneTaskExecutor.java:91) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:110) at java.lang.Thread.run(Thread.java:745) "Executing testConcurrentBuild(hudson.matrix.MatrixProjectTest)": at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000007d7bdd660> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197) at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214) at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290) at hudson.model.Queue._withLock(Queue.java:1205) at hudson.model.Queue.withLock(Queue.java:1143) at hudson.model.Computer.removeExecutor(Computer.java:977) at hudson.model.Executor.interrupt(Executor.java:187) at hudson.model.Executor.interrupt(Executor.java:164) at hudson.model.Executor.interruptForShutdown(Executor.java:149) at hudson.model.Computer.interrupt(Computer.java:1014) at jenkins.model.Jenkins.cleanUp(Jenkins.java:2769) at org.jvnet.hudson.test.JenkinsRule.after(JenkinsRule.java:460) at org.jvnet.hudson.test.JenkinsRule$2.evaluate(JenkinsRule.java:526) at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103) Found 1 deadlock.