thread dump of deadlock in org.deeplearning4j.bagofwords.vectorizer.TfidfVectorizerTest#testTfIdfVectorizer

gistfile1.txt

"main@1" prio=5 tid=0x1 nid=NA waiting
  java.lang.Thread.State: WAITING
	  at java.lang.Object.wait(Object.java:-1)
	  at java.lang.Object.wait(Object.java:502)
	  at org.deeplearning4j.models.word2vec.wordstore.VocabConstructor$VocabRunnable.awaitDone(VocabConstructor.java:536)
	  at org.deeplearning4j.models.word2vec.wordstore.VocabConstructor.buildJointVocabulary(VocabConstructor.java:221)
	  at org.deeplearning4j.bagofwords.vectorizer.BaseTextVectorizer.buildVocab(BaseTextVectorizer.java:53)
	  at org.deeplearning4j.bagofwords.vectorizer.BaseTextVectorizer.fit(BaseTextVectorizer.java:58)
	  at org.deeplearning4j.bagofwords.vectorizer.TfidfVectorizerTest.testTfIdfVectorizer(TfidfVectorizerTest.java:71)
	  at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-1)
	  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	  at java.lang.reflect.Method.invoke(Method.java:498)
	  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	  at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	  at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	  at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	  at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	  at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	  at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	  at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	  at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	  at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	  at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	  at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	  at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	  at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)

"PriorityScheduler-1-thread-2@1561" daemon prio=5 tid=0xf nid=NA waiting
  java.lang.Thread.State: WAITING
	  at sun.misc.Unsafe.park(Unsafe.java:-1)
	  at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:338)
	  at org.threadly.concurrent.PriorityScheduler$WorkerPool.workerIdle(PriorityScheduler.java:800)
	  at org.threadly.concurrent.PriorityScheduler$Worker.run(PriorityScheduler.java:899)
	  at java.lang.Thread.run(Thread.java:748)

"PriorityScheduler-1-thread-1@1531" daemon prio=5 tid=0xe nid=NA waiting
  java.lang.Thread.State: WAITING
	  at sun.misc.Unsafe.park(Unsafe.java:-1)
	  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:304)
	  at org.threadly.concurrent.PriorityScheduler$WorkerPool.workerIdle(PriorityScheduler.java:805)
	  at org.threadly.concurrent.PriorityScheduler$Worker.run(PriorityScheduler.java:899)
	  at java.lang.Thread.run(Thread.java:748)

"Threadly clock updater@1518" daemon prio=5 tid=0xd nid=NA waiting
  java.lang.Thread.State: WAITING
	  at java.lang.Object.wait(Object.java:-1)
	  at org.threadly.util.Clock$ClockUpdater.run(Clock.java:250)
	  at java.lang.Thread.run(Thread.java:748)

"Finalizer@1575" daemon prio=8 tid=0x3 nid=NA waiting
  java.lang.Thread.State: WAITING
	  at java.lang.Object.wait(Object.java:-1)
	  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
	  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
	  at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)

"Reference Handler@1576" daemon prio=10 tid=0x2 nid=NA waiting
  java.lang.Thread.State: WAITING
	  at java.lang.Object.wait(Object.java:-1)
	  at java.lang.Object.wait(Object.java:502)
	  at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
	  at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)

"Signal Dispatcher@1574" daemon prio=9 tid=0x4 nid=NA runnable
  java.lang.Thread.State: RUNNABLE