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https://issues.apache.org/jira/browse/DIRMINA-1140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17291133#comment-17291133
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Alexander B commented on DIRMINA-1140:
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I have tried to reproduce the exception.
Attached you will find a minimal example (eclipse project, incl mvn pom.xml),
another screenshot for producing this exception at this minimal example and a
small powershell script, which will produce stupid udp packages (just a useful
tool).
I have used WIndows 10 + Adopt JDK 1.8
It was quite hard to reproduce this exception, started many times. This
exception appears more or less randomly or at any not known conditions. I can
not tell when and why it happens. I am even not sure, if this has something to
do while receiving packages (so the powershell script could be useless).
[^MinaDatagramException.zip]
> Concurrent Bug while having 2 DatagramAcceptors
> -----------------------------------------------
>
> Key: DIRMINA-1140
> URL: https://issues.apache.org/jira/browse/DIRMINA-1140
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.21
> Reporter: Alexander B
> Priority: Major
> Labels: bug
> Attachments: MinaDatagramException.zip, Send-UdpDatagram.ps1,
> exception.PNG, minaException.png
>
>
> Hello,
> We have created 2 DatagramAcceptors running completely independently.
> It seems, that just one at a time is working. We receive
> java.concurrent-Exceptions sometimes.
> These exceptions are thrown from a running thread, which do not have any
> calling classes from our code. Attached you will find the complete exception
> stack.
> Do you have any ideas about this?
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