zrlw commented on a change in pull request #8954:
URL: https://github.com/apache/dubbo/pull/8954#discussion_r734979475
##########
File path:
dubbo-common/src/main/java/org/apache/dubbo/common/timer/HashedWheelTimer.java
##########
@@ -95,6 +98,10 @@
private static final AtomicIntegerFieldUpdater<HashedWheelTimer>
WORKER_STATE_UPDATER =
AtomicIntegerFieldUpdater.newUpdater(HashedWheelTimer.class,
"workerState");
+ private static final ExecutorService DEFAULT_TIMER_TASK_EXECUTOR =
+
Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors(),
+ new NamedThreadFactory("HashedWheelTimerTask", true));
+
Review comment:
this is a issue which is triggered by github concurrently running unit
tests.
if test class A is starting while test class B is destroying, the global
resources which include GlobalResourcesRepository will be destroyed , it
seemed that github use same main thread to destroy and start test class.
just like the integration test issue i mentioned at #9079
it seemed that we should change github ut and it from parallel to serial
mode.
@AlbumenJ @kylixs
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