java.lang.OutOfMemoryError:Java heap space
------------------------------------------
Key: LUCENE-2376
URL: https://issues.apache.org/jira/browse/LUCENE-2376
Project: Lucene - Java
Issue Type: Bug
Components: Index
Affects Versions: 2.9.1
Environment: Windows
Reporter: Shivender Devarakonda
I see an OutOfMemory error in our product and it is happening when we have some
data objects on which we built the index. I see the following OutOfmemory
error, this is happening after we call Indexwriter.optimize():
4/06/10 02:03:42.160 PM PDT [ERROR] [Lucene Merge Thread #12] In thread Lucene
Merge Thread #12 and the message is
org.apache.lucene.index.MergePolicy$MergeException: java.lang.OutOfMemoryError:
Java heap space
4/06/10 02:03:42.207 PM PDT [VERBOSE] [Lucene Merge Thread #12] [Manager]
Uncaught Exception in thread Lucene Merge Thread #12
org.apache.lucene.index.MergePolicy$MergeException: java.lang.OutOfMemoryError:
Java heap space
at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:351)
at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:315)
Caused by: java.lang.OutOfMemoryError: Java heap space
at java.util.HashMap.resize(HashMap.java:462)
at java.util.HashMap.addEntry(HashMap.java:755)
at java.util.HashMap.put(HashMap.java:385)
at org.apache.lucene.index.FieldInfos.addInternal(FieldInfos.java:256)
at org.apache.lucene.index.FieldInfos.read(FieldInfos.java:366)
at org.apache.lucene.index.FieldInfos.<init>(FieldInfos.java:71)
at
org.apache.lucene.index.SegmentReader$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)
4/06/10 02:03:42.895 PM PDT [ERROR] this writer hit an OutOfMemoryError;
cannot complete optimize
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