[jira] [Created] (OAK-4058) Cold Standby intermittently throws RejectedExecutionException

["Francesco Mari (JIRA)" <ji...@apache.org>]

Francesco Mari created OAK-4058:
-----------------------------------

             Summary: Cold Standby intermittently throws RejectedExecutionException
                 Key: OAK-4058
                 URL: https://issues.apache.org/jira/browse/OAK-4058
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: tarmk-standby
            Reporter: Francesco Mari
            Assignee: Francesco Mari
             Fix For: 1.4


The Cold Standby subsystem very frequently catches and logs {{RejectedExecutionException}} instances thrown by Netty. These exceptions are most likely caused by an incorrect usage of the thread pools allocated by Netty.

{noformat}
25.02.2016 09:23:02.517 *ERROR* [defaultEventExecutorGroup-1306-1] org.apache.jackrabbit.oak.plugins.segment.standby.client.SegmentLoaderHandler Exception caught, closing channel.
java.util.concurrent.RejectedExecutionException: event executor terminated
	at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:745)
	at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:322)
	at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:728)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:221)
	at io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:75)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233)
	at io.netty.channel.AbstractChannelHandlerContext.access$400(AbstractChannelHandlerContext.java:32)
	at io.netty.channel.AbstractChannelHandlerContext$5.run(AbstractChannelHandlerContext.java:224)
	at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:36)
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
	at java.lang.Thread.run(Thread.java:745)
{noformat}



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