Jian He created YARN-5809:
-----------------------------
Summary: AsyncDispatcher possibly invokes multiple shutdown thread
when handling exception
Key: YARN-5809
URL: https://issues.apache.org/jira/browse/YARN-5809
Project: Hadoop YARN
Issue Type: Bug
Reporter: Jian He
Assignee: Jian He
below code when handling exceptions: it is possible to launch multiple shutdown
threads if there are events left in the queue that caused to throw exceptions.
{code}
} catch (Throwable t) {
//TODO Maybe log the state of the queue
LOG.fatal("Error in dispatcher thread", t);
// If serviceStop is called, we should exit this thread gracefully.
if (exitOnDispatchException
&& (ShutdownHookManager.get().isShutdownInProgress()) == false
&& stopped == false) {
Thread shutDownThread = new Thread(createShutDownThread());
shutDownThread.setName("AsyncDispatcher ShutDown handler");
shutDownThread.start();
}
}
{code}
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