[SOLR-16189] TestCancellableCollector thread leak

• Type: Test
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 9.1, main (10.0), 9.0.1
• Component/s: Tests
• Assignee: Kevin Risden
• Reporter: Kevin Risden
• Created: 09/May/22 20:35
• Updated: 10/Jan/23 20:45
• Resolved: 10/May/22 02:04

Description

TestCancellableCollector can leak threads sometimes since there is no wait for threads to shutdown.

FAILED:  org.apache.solr.search.TestCancellableCollector.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE scope at org.apache.solr.search.TestCancellableCollector:
   1) Thread[id=4044, name=TestIndexSearcher-4-thread-1, state=TERMINATED, group={null group}]
        at java.base@17.0.2/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@17.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:341)
        at java.base@17.0.2/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionNode.block(AbstractQueuedSynchronizer.java:506)
        at java.base@17.0.2/java.util.concurrent.ForkJoinPool.unmanagedBlock(ForkJoinPool.java:3463)
        at java.base@17.0.2/java.util.concurrent.ForkJoinPool.managedBlock(ForkJoinPool.java:3434)
        at java.base@17.0.2/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1623)
        at java.base@17.0.2/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1062)
        at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1122)
        at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@17.0.2/java.lang.Thread.run(Thread.java:833)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE scope at org.apache.solr.search.TestCancellableCollector:
   1) Thread[id=4044, name=TestIndexSearcher-4-thread-1, state=TERMINATED, group={null group}]
        at java.base@17.0.2/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base@17.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:341)
        at java.base@17.0.2/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionNode.block(AbstractQueuedSynchronizer.java:506)
        at java.base@17.0.2/java.util.concurrent.ForkJoinPool.unmanagedBlock(ForkJoinPool.java:3463)
        at java.base@17.0.2/java.util.concurrent.ForkJoinPool.managedBlock(ForkJoinPool.java:3434)
        at java.base@17.0.2/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1623)
        at java.base@17.0.2/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1062)
        at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1122)
        at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@17.0.2/java.lang.Thread.run(Thread.java:833)
        at __randomizedtesting.SeedInfo.seed([A056A726AC188C9E]:0)

Issue Links

• links to: GitHub Pull Request #847