Got the following exception when querying Solr:
INFO [http-8983-2] 2012-12-04 13:26:58,058 SolrCore.java (line 1470) [SHOPPING.000071_2_1354602582575] webapp=/solr path=/select/ params={indent=on&start=0&q=*:*&rows=20&version=2.2} hits=11 status=0 QTime=0
ERROR [http-8983-2] 2012-12-04 13:26:58,058 SolrException.java (line 114) java.lang.NullPointerException
at org.apache.lucene.index.CassandraDirectoryReader.document(CassandraDirectoryReader.java:117)
at org.apache.lucene.index.CassandraDirectoryReader.document(CassandraDirectoryReader.java:83)
at org.apache.solr.search.SolrIndexSearcher.doc(SolrIndexSearcher.java:439)
at org.apache.solr.response.TextResponseWriter.writeDocuments(TextResponseWriter.java:245)
at org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:154)
at org.apache.solr.response.XMLWriter.writeResponse(XMLWriter.java:111)
at org.apache.solr.response.XMLResponseWriter.write(XMLResponseWriter.java:37)
at org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:340)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:261)
at com.datastax.bdp.cassandra.index.solr.CassandraDispatchFilter.doFilter(CassandraDispatchFilter.java:151)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
Some details on the issue:
1. The query works fine every time after restarting DSE
2. Seems like the error happens after updating (adding/updating docs) the core through solrj
3. Core admin and pinging core works fine all the time
.
Any idea on what might cause the issue? Thanks!
