NullPointerException in HttpServletResponseBufferingWrapper (Cocoon bug?)
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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
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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