I am encountering the same issue. Did you determine the cause? On Friday, February 17, 2017 at 2:51:07 PM UTC-6, George Kozak wrote: > > Terry: > I recompiled DSpace 6.0 and now I am seeing a stack trace when I go to see > the community-list. > > Here is an excerpt of the trace: > Java stacktrace: java.lang.NullPointerException > at > org.dspace.content.DSpaceObjectServiceImpl.match(DSpaceObjectServiceImpl.java:427) > > at > org.dspace.content.DSpaceObjectServiceImpl.getMetadata(DSpaceObjectServiceImpl.java:131) > > at > org.dspace.content.DSpaceObjectServiceImpl.getMetadataFirstValue(DSpaceObjectServiceImpl.java:380) > > at > org.dspace.content.CollectionServiceImpl.getMetadata(CollectionServiceImpl.java:395) > > at > org.dspace.content.CollectionServiceImpl.getMetadata(CollectionServiceImpl.java:43) > > at org.dspace.app.xmlui.utils.DSpaceValidity.add(DSpaceValidity.java:271) > at > org.dspace.app.xmlui.aspect.artifactbrowser.CommunityBrowser.getValidity(CommunityBrowser.java:160) > > at sun.reflect.GeneratedMethodAccessor77.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > > > at java.lang.reflect.Method.invoke(Method.java:606) > at > org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71) > > at com.sun.proxy.$Proxy287.getValidity(Unknown Source) > at > org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.getValidityForInternalPipeline(AbstractCachingProcessingPipeline.java:987) > > ... > George Kozak > Cornell University > > On Fri, Feb 17, 2017 at 1:48 PM, George Kozak <gko...@gmail.com > <javascript:>> wrote: > >> Hi, Terry: >> >> Nothing is showing up in the Tomcat log, and the underlining stack trace >> displayed just shows: "java.lang.NullPointerException" >> and nothing else. >> >> I did find the following error in the cocoon log: >> >> 2017-02-17 09:07:22,465 ERROR cocoon.handled - Could not read resource >> cocoon://DRI/8/community-list >> at <map:serialize type="xml"> - >> resource://aspects/Discovery/sitemap.xmap:223:40 >> at <map:transform type="Navigation"> - >> resource://aspects/Discovery/sitemap.xmap:79:47 >> at <map:generate> - resource://aspects/Discovery/sitemap.xmap:67:28 >> >> at <map:serialize type="xml"> - >> resource://aspects/Administrative/sitemap.xmap:1077:31 >> at <map:transform type="Navigation"> - >> resource://aspects/Administrative/sitemap.xmap:299:38 >> at <map:transform type="SystemwideAlerts"> - >> resource://aspects/Administrative/sitemap.xmap:298:44 >> at <map:generate> - resource://aspects/Administrative/sitemap.xmap:296:19 >> (continues) >> >> This has me stumped. >> >> George Kozak >> Cornell University >> >> >> >> >> On Fri, Feb 17, 2017 at 12:48 PM, Terry Brady <terry...@georgetown.edu >> <javascript:>> wrote: >> >>> Can you get a stack trace for the Null Pointer Exception? >>> >>> Can you find anything useful in the tomcat log? >>> >>> >>> >>> On Fri, Feb 17, 2017 at 6:37 AM, George Kozak <gko...@gmail.com >>> <javascript:>> wrote: >>> >>>> Hi... >>>> >>>> I have just migrated from DSpace 5.5 to DSpace 6.0 (in test). >>>> Everything works fine, but when I go to display the community list (<my >>>> dspace url>/community-list), I get an error: >>>> java.lang.NullPointerException >>>> >>>> I am using XMLUI interface with a modified MIrage2 theme. I went to >>>> using a vanilla install to see if it was one of my modifications, but the >>>> vanilla Mirage2 theme produces the same error. >>>> >>>> There is no error in the DSpace log file, but I see this: >>>> 2017-02-17 09:07:15,914 INFO >>>> org.dspace.app.xmlui.aspect.discovery.SidebarFacetsTransformer @ facets >>>> for scope, null: 5 >>>> >>>> However, in the vanilla Mirage2, the default Communities display on the >>>> home page works. So, I know that the information exists. >>>> >>>> Any ideas as to what might be happening? >>>> -- >>>> *************************** >>>> George Kozak >>>> Digital Library Specialist >>>> Cornell University Library - IT >>>> 218 Olin Library >>>> Cornell University >>>> Ithaca, NY 14853 >>>> 607-255-8924 >>>> gs...@cornell.edu <javascript:> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "DSpace Technical Support" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to dspac...@googlegroups.com <javascript:>. >>>> To post to this group, send email to dspac...@googlegroups.com >>>> <javascript:>. >>>> Visit this group at https://groups.google.com/group/dspace-tech. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> >>> -- >>> Terry Brady >>> Applications Programmer Analyst >>> Georgetown University Library Information Technology >>> http://georgetown-university-libraries.github.io/ >>> <https://www.library.georgetown.edu/lit/code> >>> 425-298-5498 (Seattle, WA) >>> >> >> >> >> -- >> *************************** >> George Kozak >> Digital Library Specialist >> Cornell University Library - IT >> 218 Olin Library >> Cornell University >> Ithaca, NY 14853 >> 607-255-8924 >> gs...@cornell.edu <javascript:> >> > > > > -- > *************************** > George Kozak > Digital Library Specialist > Cornell University Library - IT > 218 Olin Library > Cornell University > Ithaca, NY 14853 > 607-255-8924 > gs...@cornell.edu <javascript:> >
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