[jira] [Created] (CASSANDRA-7025) RejectedExecutionException when stopping a node after drain

["Sergio Bossa (JIRA)" <ji...@apache.org>]

Sergio Bossa created CASSANDRA-7025:
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             Summary: RejectedExecutionException when stopping a node after drain
                 Key: CASSANDRA-7025
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7025
             Project: Cassandra
          Issue Type: Bug
            Reporter: Sergio Bossa
            Assignee: Sergio Bossa
            Priority: Trivial


The following exception is caused by the BatchlogManager trying to enqueue a task in the shutdown postflush executor:
{noformat}
ERROR 14:49:50,580 Exception in thread Thread[BatchlogTasks:1,5,main]
java.util.concurrent.RejectedExecutionException: ThreadPoolExecutor has shut down
	at org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor$1.rejectedExecution(DebuggableThreadPoolExecutor.java:61)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372)
	at org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.execute(DebuggableThreadPoolExecutor.java:145)
	at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:110)
	at org.apache.cassandra.db.ColumnFamilyStore.forceFlush(ColumnFamilyStore.java:855)
	at org.apache.cassandra.db.ColumnFamilyStore.forceBlockingFlush(ColumnFamilyStore.java:869)
	at org.apache.cassandra.db.BatchlogManager.cleanup(BatchlogManager.java:345)
	at org.apache.cassandra.db.BatchlogManager.replayAllFailedBatches(BatchlogManager.java:197)
	at org.apache.cassandra.db.BatchlogManager$1.runMayThrow(BatchlogManager.java:96)
	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
	at org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:75)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)
{noformat}

It is harmless, but generates a lot of noise in the logs, which makes debugging for actual problems harder.



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