LimitedExecutor.tryExecute blocking call causing random test failures --------------------------------------------------------------------- Key: ISPN-11882 URL: https://issues.redhat.com/browse/ISPN-11882 Project: Infinispan Issue Type: Bug Components: Core, Test Suite Affects Versions: 11.0.0.Dev05 Reporter: Dan Berindei Assignee: Will Burns Priority: Major Fix For: 11.0.0.CR1 Causing random failures in {{ClusterTopologyManagerTest}} {noformat} java.lang.AssertionError: Blocking call! jdk.internal.misc.Unsafe#park on thread Thread[non-blocking-thread-ClusterTopologyManagerTest-NodeD-p15671-t5,5,ISPN-non-blocking-thread-group] at org.infinispan.util.CoreTestBlockHoundIntegration.lambda$applyTo$0(CoreTestBlockHoundIntegration.java:44) at reactor.blockhound.BlockHound$Builder.lambda$install$8(BlockHound.java:383) at reactor.blockhound.BlockHoundRuntime.checkBlocking(BlockHoundRuntime.java:89) at java.base/jdk.internal.misc.Unsafe.park(Unsafe.java) at java.base/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194) at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:885) at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:917) at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1240) at java.base/java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:267) at org.infinispan.executors.LimitedExecutor.tryExecute(LimitedExecutor.java:142) at org.infinispan.executors.LimitedExecutor.access$300(LimitedExecutor.java:38) at org.infinispan.executors.LimitedExecutor$Runner.accept(LimitedExecutor.java:243) at org.infinispan.executors.LimitedExecutor$Runner.accept(LimitedExecutor.java:234) at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859) at java.base/java.util.concurrent.CompletableFuture.uniWhenCompleteStage(CompletableFuture.java:883) at java.base/java.util.concurrent.CompletableFuture.whenComplete(CompletableFuture.java:2251) at java.base/java.util.concurrent.CompletableFuture.whenComplete(CompletableFuture.java:143) at org.infinispan.executors.LimitedExecutor.lambda$executeAsync$1(LimitedExecutor.java:136) at org.infinispan.executors.LimitedExecutor.actualRun(LimitedExecutor.java:192) at org.infinispan.executors.LimitedExecutor.runTasks(LimitedExecutor.java:176) at org.infinispan.executors.LimitedExecutor.access$100(LimitedExecutor.java:38) at org.infinispan.executors.LimitedExecutor$Runner.run(LimitedExecutor.java:237) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) {noformat}