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http://jira.dspace.org/jira/browse/DS-253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=10723#action_10723
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Flávio Botelho commented on DS-253:
-----------------------------------
Problem described by Larry Stone spotted in production now that the server
isn't restarted everyday :)
> NullPointerException in HttpServletResponseBufferingWrapper (Cocoon bug?)
> -------------------------------------------------------------------------
>
> Key: DS-253
> URL: http://jira.dspace.org/jira/browse/DS-253
> Project: DSpace 1.x
> Issue Type: Bug
> Affects Versions: 1.5.2
> Environment: Ubuntu Linux 8.4, Gentoo Linux 2008.0, maybe others.
> Tomcat 5.5, Tomcat 6
> JDK 1.6, maybe others
> AJP or HTTP proxy from Apache HTTPD (mod_jk and mod_proxy_ajp both tried)
> Reporter: Mark Wood
> Assignee: Mark Diggory
> Attachments: 152.patch, dspace-xmlui-servlet.patch,
> jnet-stacktrace.txt
>
>
> Reported by Sean Carte in
> http://sourceforge.net/mailarchive/forum.php?thread_name=5d9253070906110526h5cb0f74cof17ba0c6b4eb449e%40mail.gmail.com&forum_name=dspace-tech
> This seems to leave an "idle in transaction" DBMS connection each time, which
> leads to a long pause followed by an error page in subsequent requests which
> get that connection from the pool. Some requests go through, many do not.
> There was a very likely suggestion that this is described and fixed in
> https://issues.apache.org/jira/browse/COCOON-2217, leaving the problem of how
> to get that Cocoon fix built into DSpace. Adjusting
> dspace-xmlui/dspace-xmlui-webapp/pom.xml to build against
> cocoon-servlet-service-impl-1.2.0 added a new layer of problem: the Cocoon
> servlet:context element in a Spring application context now requires a schema
> name in the context-path attribute.
> Apparently the context-path should now be "blockcontext:/". However this
> adds a third layer of mystery: the blockcontext schema is not recognized,
> even though sample Cocoon 2.2 code at the Cocoon site employs it
> successfully. An additional complication: it appears that an archive
> becomes a Cocoon block by being named via Cocoon-Block-Name in its manifest,
> but I can't find this being done in DS 1.5.2. So even if we could use
> blockcontext: we would have no block context.
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