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From André Widhani <Andre.Widh...@digicol.de>
Subject AW: java.lang.OutOfMemoryError: Map failed
Date Tue, 02 Apr 2013 09:15:04 GMT
Hi Arkadi,

this error usually indicates that virtual memory is not sufficient (should be "unlimited").

Please see http://comments.gmane.org/gmane.comp.jakarta.lucene.solr.user/69168 

Regards,
André

________________________________________
Von: Arkadi Colson [arkadi@smartbit.be]
Gesendet: Dienstag, 2. April 2013 10:24
An: solr-user@lucene.apache.org
Betreff: java.lang.OutOfMemoryError: Map failed

Hi

Recently solr crashed. I've found this in the error log.
My commit settings are loking like this:
      <autoCommit>
        <maxTime>10000</maxTime>
        <openSearcher>false</openSearcher>
      </autoCommit>

        <autoSoftCommit>
          <maxTime>2000</maxTime>
        </autoSoftCommit>

The machine has 10GB of memory. Tomcat is running with -Xms2048m -Xmx6144m

Versions
Solr: 4.2
Tomcat: 7.0.33
Java: 1.7

Anybody any idea?

Thx!

Arkadi

SEVERE: auto commit error...:org.apache.solr.common.SolrException: Error
opening new searcher
         at
org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1415)
         at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1527)
         at
org.apache.solr.update.DirectUpdateHandler2.commit(DirectUpdateHandler2.java:562)
         at org.apache.solr.update.CommitTracker.run(CommitTracker.java:216)
         at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
         at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
         at java.util.concurrent.FutureTask.run(FutureTask.java:166)
         at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
         at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
         at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
         at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
         at java.lang.Thread.run(Thread.java:722)
Caused by: java.io.IOException: Map failed
         at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:849)
         at
org.apache.lucene.store.MMapDirectory.map(MMapDirectory.java:283)
         at
org.apache.lucene.store.MMapDirectory$MMapIndexInput.<init>(MMapDirectory.java:228)
         at
org.apache.lucene.store.MMapDirectory.openInput(MMapDirectory.java:195)
         at
org.apache.lucene.store.NRTCachingDirectory.openInput(NRTCachingDirectory.java:232)
         at
org.apache.lucene.codecs.compressing.CompressingStoredFieldsReader.<init>(CompressingStoredFieldsReader.java:96)
         at
org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsReader(CompressingStoredFieldsFormat.java:113)
         at
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:147)
         at
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:56)
         at
org.apache.lucene.index.ReadersAndLiveDocs.getReader(ReadersAndLiveDocs.java:121)
         at
org.apache.lucene.index.BufferedDeletesStream.applyDeletes(BufferedDeletesStream.java:269)
         at
org.apache.lucene.index.IndexWriter.applyAllDeletes(IndexWriter.java:2961)
         at
org.apache.lucene.index.IndexWriter.maybeApplyDeletes(IndexWriter.java:2952)
         at
org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:368)
         at
org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:270)
         at
org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:255)
         at
org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:249)
         at
org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1353)
         ... 11 more
Caused by: java.lang.OutOfMemoryError: Map failed
         at sun.nio.ch.FileChannelImpl.map0(Native Method)
         at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:846)
         ... 28 more


SEVERE: auto commit error...:java.lang.IllegalStateException: this
writer hit an OutOfMemoryError; cannot commit
         at
org.apache.lucene.index.IndexWriter.prepareCommitInternal(IndexWriter.java:2661)
         at
org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:2827)
         at
org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2807)
         at
org.apache.solr.update.DirectUpdateHandler2.commit(DirectUpdateHandler2.java:541)
         at org.apache.solr.update.CommitTracker.run(CommitTracker.java:216)
         at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
         at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
         at java.util.concurrent.FutureTask.run(FutureTask.java:166)
         at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
         at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
         at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
         at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
         at java.lang.Thread.run(Thread.java:722)



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