[Dspace-tech] Solr errors in logs

[Anthony Petryk]

Hello,

 

We’re seeing a fair number of Solr errors in our DSpace logs, of which we’ve identified 3 distinct types (examples below).  Any explanation or help in resolving these would be appreciated.  We’re running DSpace 4.0 JSPUI.

 

Anthony

 

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Type 1

 

2014-11-01 01:07:35,191 ERROR org.dspace.statistics.SolrLogger @ Server at http://localhost/solr/statistics returned non ok status:500, message:Internal Server Error

org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Server at http://localhost/solr/statistics returned non ok status:500, message:Internal Server Error

                at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:385)

                at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:180)

                at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:90)

                at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:301)

                at org.dspace.statistics.SolrLogger$ResultProcessor.execute(SolrLogger.java:713)

                at org.dspace.statistics.SolrLogger.markRobotsByIP(SolrLogger.java:774)

                at org.dspace.statistics.util.StatisticsClient.main(StatisticsClient.java:81)

                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at java.lang.reflect.Method.invoke(Method.java:606)

                at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:225)

                at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:77)

 

Type 2

 

2014-11-01 00:00:29,054 ERROR org.dspace.discovery.SolrServiceImpl @ Error while writing item to discovery index: 10393/23623 message:Server at http://localhost/solr/search returned non ok status:500, message:Internal Server Error

org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Server at http://localhost/solr/search returned non ok status:500, message:Internal Server Error

                at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:385)

                at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:180)

                at org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:117)

                at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:116)

                at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:102)

                at org.dspace.discovery.SolrServiceImpl.writeDocument(SolrServiceImpl.java:677)

                at org.dspace.discovery.SolrServiceImpl.buildDocument(SolrServiceImpl.java:1372)

                at org.dspace.discovery.SolrServiceImpl.indexContent(SolrServiceImpl.java:219)

                at org.dspace.discovery.SolrServiceImpl.updateIndex(SolrServiceImpl.java:391)

                at org.dspace.discovery.IndexClient.main(IndexClient.java:120)

                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at java.lang.reflect.Method.invoke(Method.java:606)

                at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:225)

                at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:77)

 

Type 3

 

2014-12-11 14:34:15,948 ERROR org.dspace.statistics.SolrLoggerUsageEventListener @ (that’s it, nothing more)