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https://issues.apache.org/jira/browse/SOLR-5566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Radomir Mladenovic updated SOLR-5566:
-------------------------------------
Attachment: SOLR-5566.patch
Checking for null list value as it the attached patch fixed the issue.
> NPE in NamedList when using highlighting with shards
> ----------------------------------------------------
>
> Key: SOLR-5566
> URL: https://issues.apache.org/jira/browse/SOLR-5566
> Project: Solr
> Issue Type: Bug
> Components: clients - java
> Affects Versions: 4.4, 4.6
> Reporter: Radomir Mladenovic
> Attachments: SOLR-5566.patch
>
>
> Using shards to search multiple cores (on the same Solr server) but, when
> highlighting is enabled, request fails _for some queries_ with due to NPE
> error:
> {quote}
> java.lang.NullPointerException
> at
> org.apache.solr.common.util.NamedList.nameValueMapToList(NamedList.java:110)
> at org.apache.solr.common.util.NamedList.<init>(NamedList.java:76)
> at
> org.apache.solr.common.util.SimpleOrderedMap.<init>(SimpleOrderedMap.java:58)
> at
> org.apache.solr.handler.component.HighlightComponent.finishStage(HighlightComponent.java:191)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:317)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1904)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:659)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:362)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:158)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
> at
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
> at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
> at
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> {quote}
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