I've integrated a snapshot release of the new randomized runner and ran a few quick tests with it. Works like a charm -- timeouting, thread leaks, interrupts, you name it. It hasn't been tested extensively but if you want to experiment, it's on my branch here:
https://github.com/dweiss/lucene_solr/tree/rr One of the things I changed is configure Java logging for Lucene to emit warnings to console (because the runner dumps stack traces and warnings via java logging system). -Dtests.logging override will still work but you should be careful about silencing those. In the mean time I attach the errors found on a quick "ant solr-core" run -- didn't try to fix them yet, but I'm counting on your feedback if the output from the runner is clear and what could be improved to make it more useful. I like this one in particular: [14:40:43.053] ERROR 0.00s J0 | ZkSolrClientTest (suite) > Throwable #1: java.lang.RuntimeException: Suite replaced Thread.defaultUncaughtExceptionHandler. It's better not to touch it. Or at least revert it to what it was before. Current: class org.apache.zookeeper.server.NIOServerCnxn$Factory$1 > at com.carrotsearch.randomizedtesting.RandomizedRunner.runSuite(RandomizedRunner.java:509) :) I'm away from work this coming week but I'll get back to the subject after I come back. Dawid
Executing 296 suites with 3 JVMs. [14:39:25.613] ERROR 0.00s J1 | SimpleFacetsTest (suite) > Throwable #1: com.carrotsearch.randomizedtesting.ThreadLeakError: 7 threads leaked from SUITE scope at org.apache.solr.request.SimpleFacetsTest: > 1) Thread[id=69, name=facetExectutor-8-thread-7, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 2) Thread[id=64, name=facetExectutor-8-thread-2, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 3) Thread[id=66, name=facetExectutor-8-thread-4, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 4) Thread[id=67, name=facetExectutor-8-thread-5, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 5) Thread[id=63, name=facetExectutor-8-thread-1, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 6) Thread[id=65, name=facetExectutor-8-thread-3, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 7) Thread[id=68, name=facetExectutor-8-thread-6, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > at __randomizedtesting.SeedInfo.seed([C9C7C93CA2232AA]:0) > Throwable #2: com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated: > 1) Thread[id=69, name=facetExectutor-8-thread-7, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 2) Thread[id=64, name=facetExectutor-8-thread-2, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 3) Thread[id=66, name=facetExectutor-8-thread-4, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 4) Thread[id=67, name=facetExectutor-8-thread-5, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 5) Thread[id=63, name=facetExectutor-8-thread-1, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 6) Thread[id=65, name=facetExectutor-8-thread-3, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 7) Thread[id=68, name=facetExectutor-8-thread-6, state=TIMED_WAITING, group=TGRP-DisMaxRequestHandlerTest] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > at __randomizedtesting.SeedInfo.seed([C9C7C93CA2232AA]:0) > [14:40:07.440] ERROR 0.00s J2 | TestGroupingSearch (suite) > Throwable #1: com.carrotsearch.randomizedtesting.ThreadLeakError: 6 threads leaked from SUITE scope at org.apache.solr.TestGroupingSearch: > 1) Thread[id=214, name=facetExectutor-11-thread-2, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 2) Thread[id=217, name=facetExectutor-11-thread-5, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 3) Thread[id=215, name=facetExectutor-11-thread-3, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 4) Thread[id=213, name=facetExectutor-11-thread-1, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 5) Thread[id=216, name=facetExectutor-11-thread-4, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 6) Thread[id=219, name=TimeLimitedCollector timer thread, state=TIMED_WAITING, group=TGRP-TestGroupingSearch] > at java.lang.Thread.sleep(Native Method) > at org.apache.lucene.search.TimeLimitingCollector$TimerThread.run(TimeLimitingCollector.java:266) > at __randomizedtesting.SeedInfo.seed([C9C7C93CA2232AA]:0) > Throwable #2: com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated: > 1) Thread[id=214, name=facetExectutor-11-thread-2, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 2) Thread[id=217, name=facetExectutor-11-thread-5, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 3) Thread[id=215, name=facetExectutor-11-thread-3, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 4) Thread[id=213, name=facetExectutor-11-thread-1, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > 5) Thread[id=216, name=facetExectutor-11-thread-4, state=TIMED_WAITING, group=TGRP-TestDistributedSearch] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196) > at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424) > at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874) > at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:680) > at __randomizedtesting.SeedInfo.seed([C9C7C93CA2232AA]:0) > [14:40:43.053] ERROR 0.00s J0 | ZkSolrClientTest (suite) > Throwable #1: java.lang.RuntimeException: Suite replaced Thread.defaultUncaughtExceptionHandler. It's better not to touch it. Or at least revert it to what it was before. Current: class org.apache.zookeeper.server.NIOServerCnxn$Factory$1 > at com.carrotsearch.randomizedtesting.RandomizedRunner.runSuite(RandomizedRunner.java:509) > at com.carrotsearch.randomizedtesting.RandomizedRunner.run(RandomizedRunner.java:398) > at com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:153) > at com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:246) > at com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:12) > [14:41:02.930] ERROR 0.00s J0 | ZkControllerTest (suite) > Throwable #1: com.carrotsearch.randomizedtesting.ThreadLeakError: 3 threads leaked from SUITE scope at org.apache.solr.cloud.ZkControllerTest: > 1) Thread[id=415, name=Thread-217, state=WAITING, group=Overseer collection creation process.] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281) > at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:207) > at org.apache.solr.cloud.DistributedQueue$LatchChildWatcher.await(DistributedQueue.java:185) > at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:291) > at org.apache.solr.cloud.OverseerCollectionProcessor.run(OverseerCollectionProcessor.java:81) > at java.lang.Thread.run(Thread.java:680) > 2) Thread[id=445, name=Thread-223, state=WAITING, group=Overseer collection creation process.] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281) > at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:207) > at org.apache.solr.cloud.DistributedQueue$LatchChildWatcher.await(DistributedQueue.java:185) > at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:291) > at org.apache.solr.cloud.OverseerCollectionProcessor.run(OverseerCollectionProcessor.java:81) > at java.lang.Thread.run(Thread.java:680) > 3) Thread[id=430, name=Thread-220, state=WAITING, group=Overseer collection creation process.] > at sun.misc.Unsafe.park(Native Method) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969) > at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281) > at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:207) > at org.apache.solr.cloud.DistributedQueue$LatchChildWatcher.await(DistributedQueue.java:185) > at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:291) > at org.apache.solr.cloud.OverseerCollectionProcessor.run(OverseerCollectionProcessor.java:81) > at java.lang.Thread.run(Thread.java:680) > at __randomizedtesting.SeedInfo.seed([C9C7C93CA2232AA]:0) >
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