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From Frank Moss <frankmoss1...@gmail.com>
Subject Re: Error when opening a lucene index: Map failed
Date Tue, 17 Jan 2012 11:27:19 GMT
Thanks it solved the problem.

On Tue, Jan 17, 2012 at 12:12 PM, Ian Lea <ian.lea@gmail.com> wrote:

> Try $ ulimit -v unlimited
>
> --
> Ian.
>
>
> On Tue, Jan 17, 2012 at 11:05 AM, Frank Moss <frankmoss1950@gmail.com>
> wrote:
> > Hello,
> >
> > I am having problems opening a lucene index. The index has been created
> on
> > the same machine.  The size of index is 44G. Its a 64bit machine running
> > OpenSuse.
> >
> > I have tried starting the java process with 1,2,3,4 GB of memory but
> still
> > get the same error. Any tips? The gc log shows that its running the GC
> even
> > though it has enough memory. But probably this error has something to do
> > with the memory mapped files using NIO. Anybody has seen anything like
> this
> > before? And if so, how did you solve it?
> > The output of "free -m"  before starting the process:
> >
> > free -m
> >             total       used       free     shared    buffers     cached
> > Mem:         24158      20803       3354          0        635      19387
> > -/+ buffers/cache:        780      23378
> > Swap:         2204        164       2039
> >
> >
> > Below is the error.
> >
> > Thanks in advance.
> >
> > FM
> >
> >
> > $ java -d64 -server -Xmx15g -Xms15g -XX:+UseConcMarkSweepGC
> > -verbose:gc -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError
> > -XX:HeapDumpPath=/home/frank/heap.dmp  -jar lukeall-3.5.0.jar
> >    [Full GC 207648K->28758K(15660544K), 0.1105290 secs]
> >    [Full GC 61479K->15416K(15660544K), 0.0654310 secs]
> >    [Full GC 69950K->15418K(15660544K), 0.0717170 secs]
> >    [Full GC 69952K->15418K(15660544K), 0.0661720 secs]
> >    java.io.IOException: Map failed
> >        at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:849)
> >        at
> org.apache.lucene.store.MMapDirectory$MMapIndexInput.<init>(MMapDirectory.java:265)
> >        at
> org.apache.lucene.store.MMapDirectory.openInput(MMapDirectory.java:216)
> >        at
> org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:89)
> >        at
> org.apache.lucene.index.SegmentReader.get(SegmentReader.java:115)
> >        at
> org.apache.lucene.index.SegmentReader.get(SegmentReader.java:93)
> >        at
> org.apache.lucene.index.DirectoryReader.<init>(DirectoryReader.java:113)
> >        at
> org.apache.lucene.index.DirectoryReader$1.doBody(DirectoryReader.java:83)
> >        at
> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:754)
> >        at
> org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:75)
> >        at org.apache.lucene.index.IndexReader.open(IndexReader.java:462)
> >        at org.apache.lucene.index.IndexReader.open(IndexReader.java:377)
> >        at org.getopt.luke.Luke.openIndex(Unknown Source)
> >        at org.getopt.luke.Luke.openOk(Unknown Source)
> >        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >        at thinlet.Thinlet.invokeImpl(Unknown Source)
> >        at thinlet.Thinlet.invoke(Unknown Source)
> >        at java.awt.Component.dispatchEventImpl(Component.java:4861)
> >    Caused by: java.lang.OutOfMemoryError: Map failed
> >        at sun.nio.ch.FileChannelImpl.map0(Native Method)
> >        at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:846)
> >        ... 48 more
>
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