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From "Per Steffensen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-4031) Rare mixup of request content
Date Tue, 13 Nov 2012 10:32:12 GMT

     [ https://issues.apache.org/jira/browse/SOLR-4031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Per Steffensen updated SOLR-4031:
---------------------------------

    Attachment: SOLR-4031.patch

Here is the patch we did. But is sounds like you already did it. Our patch fits on top of
Solr 4.0.0 (actually revision 1394844 from lucene_solr_4_0 branch)
                
>  Rare mixup of request content
> ------------------------------
>
>                 Key: SOLR-4031
>                 URL: https://issues.apache.org/jira/browse/SOLR-4031
>             Project: Solr
>          Issue Type: Bug
>          Components: multicore, search, SolrCloud
>    Affects Versions: 4.0
>            Reporter: Per Steffensen
>            Assignee: Yonik Seeley
>              Labels: bug, data-integrity, mixup, request, security
>             Fix For: 4.1
>
>         Attachments: SOLR-4031.patch
>
>
> We are using Solr 4.0 and run intensive performance/data-integrity/endurance tests on
it. In very rare occasions the content of two concurrent requests to Solr get mixed up. We
have spent a lot of time narrowing down this issue and found that it is a bug in Jetty 8.1.2.
Therefore of course we have filed it as a bug with Jetty.
> Official bugzilla: https://bugs.eclipse.org/bugs/show_bug.cgi?id=392936
> Mailing list thread: http://dev.eclipse.org/mhonarc/lists/jetty-dev/threads.html#01530
> The reports to Jetty is very detailed so you can go and read about it there. We have
found that the problem seems to be solved in Jetty 8.1.7. Therefore we are now running Solr
4.0 (plus our additional changes) on top of Jetty 8.1.7 instead of 8.1.2. You probably want
to do the same upgrade on the Apache side sometime soon.
> Alt least now you know what to tell people if the start complaining about mixed up requests
in Solr 4.0 - upgrade the Jetty underneath to 8.1.7 (or run tomcat or something)

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