[infinispan-issues] [JBoss JIRA] (ISPN-5315) Tight loop on ClientListenerNotifier

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-5315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13081591#comment-13081591 ] 

RH Bugzilla Integration commented on ISPN-5315:
-----------------------------------------------

Sebastian Łaskawiec <slaskawi at redhat.com> changed the Status of [bug 1231215|https://bugzilla.redhat.com/show_bug.cgi?id=1231215] from NEW to MODIFIED

> Tight loop on ClientListenerNotifier
> ------------------------------------
>
>                 Key: ISPN-5315
>                 URL: https://issues.jboss.org/browse/ISPN-5315
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Listeners
>    Affects Versions: 7.2.0.Beta1, 7.1.1.Final
>            Reporter: Gustavo Fernandes
>            Assignee: Gustavo Fernandes
>            Priority: Minor
>             Fix For: 7.2.0.Beta2, 7.2.0.Final
>
>         Attachments: stackTrace
>
>
> Sometimes the {{ClientListenerNotifier}} keeps printing extremely high number of warning and quickly fill GBs of disk space:
> {code}
> 11:28:16,805 WARN  [ClientListenerNotifier] (Client-Listener-aacb322ffc60405e) ISPN004039: Unable to complete reading event from server null
> java.nio.channels.IllegalBlockingModeException
> 	at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:201)
> 	at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
> 	at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
> 	at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
> 	at org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport.readByte(TcpTransport.java:179)
> 	at org.infinispan.client.hotrod.impl.protocol.Codec20.readMagic(Codec20.java:282)
> 	at org.infinispan.client.hotrod^C.impl.protocol.Codec20.readEvent(Codec20.java:126)
> 	at org.infinispan.client.hotrod.event.ClientListenerNotifier$EventDispatcher.run(ClientListenerNotifier.java:237)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}
> This can be reproduced when running the server test suite, more specifically the test {{ExampleConfigsIT}}. Right after the server is started the above warning is logged in a loop for the duration of the tests.
> I've started to observe this after commit (1), which changed the behaviour to retry on SocketTimeouts. 
> Before the aforementioned commit, log were printing:
> {code}
> 10:49:56,361 ERROR [ClientListenerNotifier] (Client-Listener-b53963d5ab2b4234) ISPN004043: Unrecoverable error reading event from server null, exiting event reader thread
> org.infinispan.client.hotrod.exceptions.TransportException:: java.net.SocketTimeoutException
>         at org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport.readByte(TcpTransport.java:184)
>         at org.infinispan.client.hotrod.impl.protocol.Codec20.readMagic(Codec20.java:282)
>         at org.infinispan.client.hotrod.impl.protocol.Codec20.readEvent(Codec20.java:126)
>         at org.infinispan.client.hotrod.event.ClientListenerNotifier$EventDispatcher.run(ClientListenerNotifier.java:236)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:745)
> Caused by: java.net.SocketTimeoutException
>         at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:229)
>         at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
>         at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
>         at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
>         at org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport.readByte(TcpTransport.java:179)
>         ... 8 more
> {code}
> And thus the listener thread was exiting,
> (1) https://github.com/infinispan/infinispan/commit/1a03a0a84307ae8b95c06b398216eb36f6065f31



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