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From: Julien Charon <Julien.Charon@avitech.aero>
To: "users@qpid.apache.org" <users@qpid.apache.org>
Date: Fri, 18 Mar 2016 07:59:10 +0100
Subject: Java broker crashes after stopping vhost
Thread-Topic: Java broker crashes after stopping vhost
Thread-Index: AdGA4ikLp4aoPJ+sQPOpcuPtUVRCLw==
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  Hi,


I ran into a strange behaviour of the java broker I'd like to report.
I did the following:
- Change the flow control of a queue in the web management console. An info=
 tells me that I have to restart the vhost so that changes will have effect
- Stop the vhost (default) in the web management console
- A popup shows that something is wrong I have to fix. There's only a cance=
l button, the same popup shows again immediately after clicking the button
- I see the following in the logs:
"
2016-03-18 06:41:06,748 ERROR [IO-/172.24.102.24:51029] (o.a.q.s.Main) - Un=
caught exception, shutting down.
java.lang.NullPointerException: null
                at org.apache.qpid.server.transport.NetworkConnectionSchedu=
ler.processConnection(NetworkConnectionScheduler.java:142) ~[qpid-broker-co=
re-6.0.1.jar:6.0.1]
                at org.apache.qpid.server.transport.SelectorThread$Connecti=
onProcessor.processConnection(SelectorThread.java:505) ~[qpid-broker-core-6=
.0.1.jar:6.0.1]
                at org.apache.qpid.server.transport.SelectorThread$Selectio=
nTask.performSelect(SelectorThread.java:338) ~[qpid-broker-core-6.0.1.jar:6=
.0.1]
                at org.apache.qpid.server.transport.SelectorThread$Selectio=
nTask.run(SelectorThread.java:87) ~[qpid-broker-core-6.0.1.jar:6.0.1]
                at org.apache.qpid.server.transport.SelectorThread.run(Sele=
ctorThread.java:463) ~[qpid-broker-core-6.0.1.jar:6.0.1]
                at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknow=
n Source) ~[na:1.8.0_51]
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unkno=
wn Source) ~[na:1.8.0_51]
                at java.lang.Thread.run(Unknown Source) ~[na:1.8.0_51]
"
- Trying to stop the broker gives me: No Qpid Brokers found running for use=
r: xxx
- When I try to start the broker again, I get the very same error log as qu=
oted above, I have no chance to start the broker
Now what can I do to solve that? I'll try to delete the work directory and =
see if it comes up again.
If not, I'll have to re-install and configure the broker, but that would no=
t be a reasonable solution in a production environment...
Did I do something wrong or is that a bug?


Best regards,
Julien

Avitech GmbH
Engineering AxL
Tel.: +49 (0)7541/282-177
Fax: +49 (0)7541/282-199
e-mail: julien.charon@avitech.aero<mailto:julien.charon@avitech.aero>
________________________________________________
Avitech GmbH
Principal Office: Bahnhofplatz 1 | 88045 Friedrichshafen | Germany
Court Registration: Amtsgericht Ulm | HRB 728293
Gesch=E4ftsf=FChrer/Managing Director: Jon Joseba Goyarzu Ca=F1o
http://avitech.aero<http://avitech.aero/>

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