kaisun2000 commented on a change in pull request #1227:
URL: https://github.com/apache/helix/pull/1227#discussion_r504344664
##########
File path:
helix-core/src/test/java/org/apache/helix/monitoring/TestClusterStatusMonitorLifecycle.java
##########
@@ -291,7 +292,14 @@ public void testClusterStatusMonitorLifecycle() throws
Exception {
Query.not(Query.match(Query.attr("SensorName"),
Query.value("MessageQueueStatus.*"))),
exp1);
- Assert.assertTrue(TestHelper.verify(() ->
ManagementFactory.getPlatformMBeanServer()
- .queryMBeans(new ObjectName("ClusterStatus:*"), exp2).isEmpty(),
3000));
+ // Note, the _asyncTasksThreadPool shutting down logic in
GenericHelixController is best effort
+ // there is not guarantee that all threads in the pool is gone. MOstly
they will, but not always.
+ // see https://github.com/apache/helix/issues/1280
+ boolean result = TestHelper.verify(() ->
ManagementFactory.getPlatformMBeanServer()
+ .queryMBeans(new ObjectName("ClusterStatus:*"), exp2).isEmpty(),
TestHelper.WAIT_DURATION);
+
+ if (!result) {
+ System.out.println("controllers shutting down failed to tear down all
_asyncTasksThreadPools");
+ }
Review comment:
How can we fix it here?
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