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https://issues.apache.org/jira/browse/AMQ-5155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14506059#comment-14506059
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Chad Kelly commented on AMQ-5155:
---------------------------------
Please retest 5.12-SNAPSHOT in your environment using Firefox. I have developed
a patch and want to confirm that the problem still persists in other
environments under more extensive testing. The example fails under Fedora
21/Firefox.
1) download the latest 5.12-SNAPSHOT at
https://repository.apache.org/content/repositories/snapshots/org/apache/activemq/apache-activemq/5.12-SNAPSHOT/
2) bin/activemq start xbean:examples/conf/activemq-demo.xml
3) open three instances of Firefox (because it has greater time variation) to
http://localhost:8161/demo/websocket/index.html and view for 20 minutes.
> Heartbeat fails in STOMP over WebSockets
> ----------------------------------------
>
> Key: AMQ-5155
> URL: https://issues.apache.org/jira/browse/AMQ-5155
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.9.1, 5.10.0
> Reporter: Arjan van den Berg
> Assignee: Timothy Bish
> Priority: Minor
> Fix For: 5.12.0
>
> Attachments: AMQ-5155-jetty8.diff, AMQ-5155-jetty9.diff,
> firefox_bug_example1.pcapng, patchfile.txt
>
>
> From AMQ-4740:
> I receive the following error after establishing a connection and heartbeat
> through stomp.js. This seems to occur after the 'PING' is sent.
> ---------- stomp.js output
> <<< CONNECTED
> heart-beat:10000,10000
> session:ID:localhost.localdomain-45596-1396530920609-2:2
> server:ActiveMQ/5.10-SNAPSHOT
> version:1.1
> send PING every 10000ms
> check PONG every 10000ms
> <<< PONG
> >>> PING
> did not receive server activity for the last 20005ms
> Whoops! Lost connection to ws://172.16.99.73:61614/stomp
> --------------------- activemq console ---------------
> WARN | Transport Connection to: StompSocket_19548821 failed:
> java.io.IOException
> Exception in thread "ActiveMQ InactivityMonitor Worker"
> java.lang.NullPointerException
> at
> org.apache.activemq.transport.AbstractInactivityMonitor.onException(AbstractInactivityMonitor.java:314)
> at
> org.apache.activemq.transport.AbstractInactivityMonitor$4.run(AbstractInactivityMonitor.java:215)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> WARN | Transport Connection to: StompSocket_19548821 failed:
> java.io.IOException
> Exception in thread "ActiveMQ InactivityMonitor Worker"
> java.lang.NullPointerException
> at
> org.apache.activemq.transport.AbstractInactivityMonitor.onException(AbstractInactivityMonitor.java:314)
> at
> org.apache.activemq.transport.AbstractInactivityMonitor$4.run(AbstractInactivityMonitor.java:215)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> For me it looks as if the StompInactivityMonitor is delivering its events to
> the wrong Transport, i.e. it needs a "narrow()" when setting it up.
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