RestOperationsTest#shouldPutImmortalEntryWithZeroTtlAndIdleTime random failure ------------------------------------------------------------------------------ Key: ISPN-8930 URL: https://issues.jboss.org/browse/ISPN-8930 Project: Infinispan Issue Type: Bug Components: REST Affects Versions: 9.2.0.Final Reporter: William Burns Assignee: William Burns Fix For: 9.2.1.Final, 9.3.0.Alpha1 This test can fail randomly with a NPE {code} java.lang.NullPointerException at org.infinispan.rest.BaseRestOperationsTest.shouldPutImmortalEntryWithZeroTtlAndIdleTime(BaseRestOperationsTest.java:853) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) ... Removed 16 stack frames {code} This is caused by the thread being stalled for > 100 ms after the put but before reading. Thus the expiration is not being overridden properly.