XML parser stops working under heavy load
-----------------------------------------
Key: SOLR-600
URL: https://issues.apache.org/jira/browse/SOLR-600
Project: Solr
Issue Type: Bug
Components: update
Affects Versions: 1.3
Environment: Linux 2.6.19.7-ss0 #4 SMP Wed Mar 12 02:56:42 GMT 2008
x86_64 Intel(R) Xeon(R) CPU X5450 @ 3.00GHz GenuineIntel GNU/Linux
Tomcat 6.0.16
SOLR nightly 16 Jun 2008, and versions prior
JRE 1.6.0
Reporter: John Smith
Under heavy load, the following is spat out for every update:
org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
at java.util.AbstractList$SimpleListIterator.hasNext(Unknown Source)
at
org.apache.solr.update.DocumentBuilder.toDocument(DocumentBuilder.java:225)
at
org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:66)
at
org.apache.solr.handler.XmlUpdateRequestHandler.processUpdate(XmlUpdateRequestHandler.java:196)
at
org.apache.solr.handler.XmlUpdateRequestHandler.handleRequestBody(XmlUpdateRequestHandler.java:123)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:125)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:965)
at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:272)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:735)
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