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https://issues.apache.org/jira/browse/LUCENE-2361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14188486#comment-14188486
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Surendhar commented on LUCENE-2361:
-----------------------------------

Hi Thomas,
I am facing similar problem as mentioned above. I could see your comments "made 
changes". In what version this problem got resolved. Appreciate your help.

> OutOfMemoryException while Indexing
> -----------------------------------
>
>                 Key: LUCENE-2361
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2361
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/index
>    Affects Versions: 2.9.1
>         Environment: Windows
>            Reporter: Shivender Devarakonda
>
> Hi,
> We use lucene 2.9.1 version.
> We see the following OutOfMemory error in our environment, I think This is 
> happening at a significant high load. Have you observed this anytime? Please 
> let me know your thoughts on this.
> org.apache.lucene.index.MergePolicy$MergeException: 
> java.lang.OutOfMemoryError: PermGen space
>       at 
> org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:351)
>       at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:315)
> Caused by: java.lang.OutOfMemoryError: PermGen space
>       at java.lang.String.$$YJP$$intern(Native Method)
>       at java.lang.String.intern(Unknown Source)
>       at 
> org.apache.lucene.util.SimpleStringInterner.intern(SimpleStringInterner.java:74)
>       at org.apache.lucene.util.StringHelper.intern(StringHelper.java:36)
>       at org.apache.lucene.index.FieldInfos.read(FieldInfos.java:356)
>       at org.apache.lucene.index.FieldInfos.<init>(FieldInfos.java:71)
>       at 
> org.apache.lucene.index.SegmentReader$CoreReaders.<init>(SegmentReader.java:116)
>       at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:638)
>       at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:608)
>       at 
> org.apache.lucene.index.IndexWriter$ReaderPool.get(IndexWriter.java:686)
>       at 
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4979)
>       at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4614)
>       at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:235)
>       at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:291)



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