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From "John Griffith (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-4872) ActiveMQ client loses connectivity and admin interface is corrupted after being up for 72 hours
Date Mon, 11 Nov 2013 21:46:17 GMT

    [ https://issues.apache.org/jira/browse/AMQ-4872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13819446#comment-13819446
] 

John Griffith commented on AMQ-4872:
------------------------------------

Stoppng and starting activemq was not sufficient to bring things back. Stopping ActiveMQ,
deleting the contents of the kahadb directory, and starting ActiveMQ did work.

> ActiveMQ client loses connectivity and admin interface is corrupted after being up for
72 hours
> -----------------------------------------------------------------------------------------------
>
>                 Key: AMQ-4872
>                 URL: https://issues.apache.org/jira/browse/AMQ-4872
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.5.0
>         Environment: Centos 6.4. ActiveMQ running at nice 0, several clients running
at nice 10 and one running at nice -10.
>            Reporter: John Griffith
>         Attachments: activemq.log, queues.jsp, wrapper.log
>
>
> We run an application that, at the moment, creates and uses three queues accessed via
Spring JMSTemplate: Ingest, IngestRequest, and Index.
> ActiveMQ ran fine for a period of about 60 hours. The system came under heavy, continuous
load at about the 55 hour mark. At about the 60 hour point, the high-priority client (using
spring jmsTemplate) lost it's connection to the ActiveMQ server, reporting a jms ConnectionFailedException.
On the server side, ActiveMQ logged the following for each attempt to connect by the client:
> bq. 2013-11-11 11:50:12,667 [127.0.0.1:48682] INFO  Transport                      -
Transport failed: java.io.EOFException
> In addition, accessing the queues in the web administrative interface shows a list of
'garbage' entries that includes the list of files that appear to be from a cgi directory,
but includes .asp files that one wouldn't find on a Linux host.
> Running 'service activemq status' reports activemq as being up. Clients can not connect
to it, however. There is plenty of disk space and memory available, however there are long-running
(minutes) tasks that could conceivably starve ActiveMQ for CPU time - these tasks all run
at the higher nice value.



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