Hi,
Sorry for the version confusion.  I had 5.4.1 previously.  However, the
error I mentioned was already happening.
Dan
On Fri, Feb 28, 2014 at 12:48 PM, Marius Dumitru Florea <
mariusdumitru.florea(a)xwiki.com> wrote:
  On Fri, Feb 28, 2014 at 2:37 PM, Daniel Thayer
<d.s.thayer(a)swansea.ac.uk>
 wrote:
  Hi all,
 I am having a problem with XWiki that is driving me crazy.  It 
 periodically
  crashes--interval between crashes from a few days
to a few weeks.  There
 are no errors in the log when it happens.
 
  I am running XWiki enterprise 5.4.2 on Ubuntu,
using Tomcat7, Postgresql,
 and LDAP authentication. 
 XWiki 5.4.2 was released yesterday so the crashes you are talking
 about cannot be with this version. I'm guessing that you have upgraded
 yesterday to 5.4.2. But from which version? In any case, the error
 below suggests that you have upgraded without reading closely the
 release notes. Especially
 
http://www.xwiki.org/xwiki/bin/view/ReleaseNotes/ReleaseNotesXWiki53#HSolrS…
 . Is it true that you upgraded from a version older than 5.3? Even if
 you can skip versions when upgrading, it's recommended that you read
 the release notes for each intermediary version.
 Hope this helps,
 Marius
 I am getting errors like the following every hour in the log.  I don't 
 know
  if this is related or not:
 2014-02-23 07:00:00,198 [XWiki Solr index thread] ERROR o.a.s.c.SolrCore
             - org.apache.solr.common.SolrException: ERROR:
 [doc=xwiki:Scheduler.WatchListHourlyNotifier_] multiple values 
 encountered
  for non multiValued field class:
[XWiki.SchedulerJobClass,
 XWiki.WatchListJobClass, XWiki.XWikiRights]
         at
 
 org.apache.solr.update.DocumentBuilder.toDocument(DocumentBuilder.java:243)
          at
 
org.apache.solr.update.AddUpdateCommand.getLuceneDocument(AddUpdateCommand.java:73)
          at
 
 org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:208)
          at
 
org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:61)
          at
 
org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:51)
          at
 
org.apache.solr.update.processor.DistributedUpdateProcessor.doLocalAdd(DistributedUpdateProcessor.java:432)
          at
 
org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd(DistributedUpdateProcessor.java:557)
          at
 
org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:325)
          at
 
 org.apache.solr.handler.loader.XMLLoader.processUpdate(XMLLoader.java:230)
 >         at
 > org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:157)
 > arch.solr.internal.AbstractSolrInstance.add(AbstractSolrInstance.java:60)
          at
 
org.xwiki.search.solr.internal.DefaultSolrIndexer.processBatch(DefaultSolrIndexer.java:401)
          at
 
org.xwiki.search.solr.internal.DefaultSolrIndexer.runInternal(DefaultSolrIndexer.java:374)
          at
 
 com.xpn.xwiki.util.AbstractXWikiRunnable.run(AbstractXWikiRunnable.java:131)
          at java.lang.Thread.run(Thread.java:724)
 2014-02-23 07:00:00,199 [XWiki Solr index thread] ERROR
 o.x.s.s.i.DefaultSolrIndexer   - Failed to process entry [INDEX
 xwiki:Scheduler.WatchListHourlyNotifier()]
 org.apache.solr.common.SolrException: ERROR:
 [doc=xwiki:Scheduler.WatchListHourlyNotifier_] multiple values 
 encountered
  for non multiValued field class:
[XWiki.SchedulerJobClass,
 XWiki.WatchListJobClass, XWiki.XWikiRights]
         at
 
 org.apache.solr.update.DocumentBuilder.toDocument(DocumentBuilder.java:243)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.update.AddUpdateCommand.getLuceneDocument(AddUpdaarch.solr.internal.AbstractSolrInstance.add(AbstractSolrInstance.java:60)
          at
 
org.xwiki.search.solr.internal.DefaultSolrIndexer.processBatch(DefaultSolrIndexer.java:401)
          at
 
org.xwiki.search.solr.internal.DefaultSolrIndexer.runInternal(DefaultSolrIndexer.java:374)
          at
 
 com.xpn.xwiki.util.AbstractXWikiRunnable.run(AbstractXWikiRunnable.java:131)
          at java.lang.Thread.run(Thread.java:724)
 teCommand.java:73) ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 
 2012-10-06
 > 03:05:35]
          at
 
 org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:208)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:61)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:51)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.update.processor.DistributedUpdateProcessor.doLocalAdd(DistributedUpdateProcessor.java:432)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd(DistributedUpdateProcessor.java:557)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:325)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
 org.apache.solr.handler.loader.XMLLoader.processUpdate(XMLLoader.java:230)
  ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir -
2012-10-06 03:05:35]
         at
 org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:157)
 ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
        at 
 org.apache.solr.handler.loader.XMLLoader.load(XMLLoader.java:157)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
 org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:92)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
 >         at org.apache.solr.core.SolrCore.execute(SolrCore.java:1699)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:150)
 > ~[solr-core-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:35]
          at
 
org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:117)
  ~[solr-solrj-4.0.0.jar:4.0.0 1394950 - rmuir -
2012-10-06 03:05:44]
         at 
 org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:116)
 > ~[solr-solrj-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:44]
 >  at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:102)
 > ~[solr-solrj-4.0.0.jar:4.0.0 1394950 - rmuir - 2012-10-06 03:05:44]
          at
 
org.xwiki.search.solr.internal.AbstractSolrInstance.add(AbstractSolrInstance.java:60)
 > ~[xwiki-platform-search-solr-api-5.4.1.jar:na]
          at
 
org.xwiki.search.solr.internal.DefaultSolrIndexer.processBatch(DefaultSolrIndexer.java:401)
 > ~[xwiki-platform-search-solr-api-5.4.1.jar:na]
          at
 
org.xwiki.search.solr.internal.DefaultSolrIndexer.runInternal(DefaultSolrIndexer.java:374)
 > ~[xwiki-platform-search-solr-api-5.4.1.jar:na]
          at
 
 com.xpn.xwiki.util.AbstractXWikiRunnable.run(AbstractXWikiRunnable.java:131)
  ~[xwiki-platform-legacy-oldcore-5.4.1.jar:na]
         at java.lang.Thread.run(Thread.java:724) ~[na:1.7.0_25]
 Thanks very much for your help.
 Best regards,
 Dan Thayer
 --
 Research Analyst
 Health Information Research Unit
 ILS2 Building 2nd Floor
 Swansea University
 Singleton Park
 Swansea SA2 8PP
 +44 (0)1792 602 766
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--
Research Analyst
Health Information Research Unit
ILS2 Building 2nd Floor
Swansea University
Singleton Park
Swansea SA2 8PP
+44 (0)1792 602 766