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http://jira.dspace.org/jira/browse/DS-605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11508#action_11508
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Stuart Lewis commented on DS-605:
---------------------------------
We're seeing this intermittently. Like MIT, we also tend to see it in the
morning, although it has happened at other times. It seems to occur about once
a week. Sometimes it affects other webapps, other times it doesn't. We
currently run tomcat directly, without apache in front.
It tends to happen after oai requests, which suggests (in our case) it might
not be an xmlui issue. We have the restriction option turned on in oia, which
does hammer DSpace / postgres a bit as it checks the authZ on every item.
2010-04-05 16:38:59,852 DEBUG org.dspace.content.Item @
anonymous::find_item:item_id=8195
2010-04-05 16:38:59,857 DEBUG org.dspace.content.Item @
anonymous::find_item:item_id=8196
2010-04-05 16:38:59,863 DEBUG org.dspace.content.Item @
anonymous::find_item:item_id=8199
2010-04-05 16:38:59,872 DEBUG org.dspace.content.Item @
anonymous::find_item:item_id=8200
2010-04-05 18:00:02,098 INFO org.dspace.app.oai.DSpaceOAICatalog @
anonymous:no_context:oai_request:verb=listRecords,from=2010-04-02T00\colon;00\colon;00Z,until=9999-12-31T23\colon;59\colon;59Z,set=null,metadataPrefix=oai_dc
2010-04-05 18:00:02,139 INFO org.dspace.app.oai.DSpaceOAICatalog @
anonymous::oai_harvest:results=0
2010-04-05 18:00:02,140 INFO org.dspace.app.oai.DSpaceOAICatalog @
anonymous:no_context:oai_error:no_items_match
2010-04-05 18:00:02,793 INFO org.dspace.app.oai.DSpaceOAICatalog @
anonymous:no_context:oai_request:verb=listRecords,from=2010-04-02T00\colon;00\colon;00Z,until=9999-12-31T23\colon;59\colon;59Z,set=null,metadataPrefix=oai_dc
2010-04-05 18:00:02,813 INFO org.dspace.app.oai.DSpaceOAICatalog @
anonymous::oai_harvest:results=0
2010-04-05 18:00:02,814 INFO org.dspace.app.oai.DSpaceOAICatalog @
anonymous:no_context:oai_error:no_items_match
> Blank screen on XMLUI Dspace 1.6.0
> ----------------------------------
>
> Key: DS-605
> URL: http://jira.dspace.org/jira/browse/DS-605
> Project: DSpace 1.x
> Issue Type: Bug
> Components: XMLUI
> Affects Versions: 1.6.0
> Environment: apache-tomcat-6.0.18
> jdk1.6.0_13
> Debian GNU Linux 5.0
> Reporter: Antero Neto
> Priority: Critical
>
> The interface of Dspce XMLUI shows a blank screen and I need to reboot Tomcat.
> JSPUI The interface is not affected by the issue. It happens sporadically.
> I'm using version 1.6.0 of DSpace. I use a theme based on the theme
> "Reference" which comes in DSpace.
> Below, some log information that may be related.
> 2010-06-09 00:07:00,741 ERROR cocoon.handled - Could not read resource
> cocoon://DRI/2/handle/xxxx/xxx/workflow
> at <map:serialize type="xml"> -
> resource://aspects/Statistics/sitemap.xmap:70:31
> at <map:transform type="Navigation"> -
> resource://aspects/Statistics/sitemap.xmap:38:55
> at <map:generate> - resource://aspects/Statistics/sitemap.xmap:33:19
> ...
> org.apache.cocoon.ProcessingException: Could not read resource
> cocoon://DRI/2/handle/xxxx/xxx/workflow
> at <map:serialize type="xml"> -
> resource://aspects/Statistics/sitemap.xmap:70:31
> at <map:transform type="Navigation"> -
> resource://aspects/Statistics/sitemap.xmap:38:55
> at <map:generate> - resource://aspects/Statistics/sitemap.xmap:33:19
> ...
> Caused by: java.lang.NullPointerException
> at
> org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
> at
> org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
> at
> org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
> at
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
> at
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
> at
> org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99)
> at
> org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:112)
> at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
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