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From "Rob Tulloh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-3881) frequent OOM in LanguageIdentifierUpdateProcessor
Date Mon, 24 Sep 2012 18:23:07 GMT
Rob Tulloh created SOLR-3881:
--------------------------------

             Summary: frequent OOM in LanguageIdentifierUpdateProcessor
                 Key: SOLR-3881
                 URL: https://issues.apache.org/jira/browse/SOLR-3881
             Project: Solr
          Issue Type: Bug
          Components: update
    Affects Versions: 4.0
         Environment: CentOS 6.x, JDK 1.6, (java -server -Xms2G -Xmx2G -XX:+HeapDumpOnOutOfMemoryError
-XX:HeapDumpPath=....)
            Reporter: Rob Tulloh


We are seeing frequent failures from Solr causing it to OOM. Here is the stack trace we observe
when this happens:

{noformat}
Caused by: java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:2882)
        at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
        at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
        at java.lang.StringBuffer.append(StringBuffer.java:224)
        at org.apache.solr.update.processor.LanguageIdentifierUpdateProcessor.concatFields(LanguageIdentifierUpdateProcessor.java:286)
        at org.apache.solr.update.processor.LanguageIdentifierUpdateProcessor.process(LanguageIdentifierUpdateProcessor.java:189)
        at org.apache.solr.update.processor.LanguageIdentifierUpdateProcessor.processAdd(LanguageIdentifierUpdateProcessor.java:171)
        at org.apache.solr.handler.BinaryUpdateRequestHandler$2.update(BinaryUpdateRequestHandler.java:90)
        at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$1.readOuterMostDocIterator(JavaBinUpdateRequestCodec.java:140)
        at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$1.readIterator(JavaBinUpdateRequestCodec.java:120)
        at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:221)
        at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$1.readNamedList(JavaBinUpdateRequestCodec.java:105)
        at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:186)
        at org.apache.solr.common.util.JavaBinCodec.unmarshal(JavaBinCodec.java:112)
        at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.unmarshal(JavaBinUpdateRequestCodec.java:147)
        at org.apache.solr.handler.BinaryUpdateRequestHandler.parseAndLoadDocs(BinaryUpdateRequestHandler.java:100)
        at org.apache.solr.handler.BinaryUpdateRequestHandler.access$000(BinaryUpdateRequestHandler.java:47)
        at org.apache.solr.handler.BinaryUpdateRequestHandler$1.load(BinaryUpdateRequestHandler.java:58)
        at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:59)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1540)
        at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:435)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:256)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1337)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:484)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:233)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1065)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:413)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:999)
{noformat}

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