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https://issues.apache.org/jira/browse/ARTEMIS-3136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17288716#comment-17288716
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Justin Bertram commented on ARTEMIS-3136:
-----------------------------------------
As [~tabish] mentioned you should reproduce this with the [latest
release|http://activemq.apache.org/components/artemis/download/]. I see lots of
{{NullPointerException}} in your logs which I believe have been resolved since
2.11.0.
Also, this seems like some kind of environmental issue rather than an issue
with the broker itself. If basic connectivity to the broker was impossible on
Windows (as your description suggests) then I would have expected a large
number of complaints starting in January 2020 when 2.11.0 was released.
Furthermore, I see a large number of network related errors in your log files
suggesting that clients are in fact getting through at some level. However, it
appears the network or perhaps the clients themselves are highly unstable.
I'm going to close this for now. If you're able to reproduce this on the latest
release and can provide instructions for us to reproduce this as well then it
can be re-opened and investigated further.
> Connectivity Issues to Artemis on port 61616
> --------------------------------------------
>
> Key: ARTEMIS-3136
> URL: https://issues.apache.org/jira/browse/ARTEMIS-3136
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.11.0
> Reporter: Suman Moorthy
> Priority: Critical
> Attachments: Artemis-logs.zip, image-2021-02-22-15-54-28-278.png,
> image-2021-02-22-15-56-27-430.png
>
>
> Our client application fails to connect to Artemis and throws the below
> exception.
> Artemis server machine shows that it is Listening to port *61616* , but
> Telnet to the port from local host and from other servers fail.
> *The issue gets resolved only after restarting the Artemis services.*
> The java used in Artemis server is - *OpenJDK 1.8.0_275*
>
> {code:java}
> Exception while publishing the message.javax.jms.JMSException: Unexpected
> failure.
> at
> org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:72)
>
> at
> org.apache.activemq.ActiveMQConnection.doAsyncSendPacket(ActiveMQConnection.java:1310)
>
> at
> org.apache.activemq.ActiveMQConnection.asyncSendPacket(ActiveMQConnection.java:1302)
>
> at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1958)
> at
> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:288)
>
> at
> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:223)
>
> at
> org.apache.activemq.ActiveMQMessageProducerSupport.send(ActiveMQMessageProducerSupport.java:241)
>
> at
> org.apache.activemq.ActiveMQTopicPublisher.publish(ActiveMQTopicPublisher.java:123)
>
> at
> com.actiance.coreserver.horizontal.heartbeat.HeartbeatPublisherImpl$2.call(HeartbeatPublisherImpl.java:358)
>
> at
> com.actiance.coreserver.horizontal.heartbeat.HeartbeatPublisherImpl$2.call(HeartbeatPublisherImpl.java:347)
>
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.io.IOException: Unexpected failure.
> at
> org.apache.activemq.transport.failover.FailoverTransport.oneway(FailoverTransport.java:643)
> at
> org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> at
> org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
>
> at
> org.apache.activemq.ActiveMQConnection.doAsyncSendPacket(ActiveMQConnection.java:1308)
>
> ... 12 more
> {code}
> Telnet within Artemis Server (localhost):
> !image-2021-02-22-15-54-28-278.png!
>
>
> Telnet from Client application server:
> !image-2021-02-22-15-56-27-430.png!
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