Hi all, I am using Lucene to query Medline abstracts and as a result I get around 3 million hits. Each of the hits is processed and information from a certain field is used.
After certain number of hits, somewhere around 1 million (not always the same number) I get OutOfMemory exception that looks like this: Exception in thread "main" java.lang.OutOfMemoryError at java.util.zip.Inflater.inflateBytes(Native Method) at java.util.zip.Inflater.inflate(Inflater.java:221) at java.util.zip.Inflater.inflate(Inflater.java:238) at org.apache.lucene.document.CompressionTools.decompress(CompressionTools.java:108) at org.apache.lucene.index.FieldsReader.uncompress(FieldsReader.java:609) at org.apache.lucene.index.FieldsReader.addField(FieldsReader.java:385) at org.apache.lucene.index.FieldsReader.doc(FieldsReader.java:231) at org.apache.lucene.index.SegmentReader.document(SegmentReader.java:1013) at org.apache.lucene.index.DirectoryReader.document(DirectoryReader.java:520) at org.apache.lucene.index.FilterIndexReader.document(FilterIndexReader.java:149) at org.apache.lucene.index.IndexReader.document(IndexReader.java:947) at org.apache.lucene.search.IndexSearcher.doc(IndexSearcher.java:152) at org.apache.lucene.search.MultiSearcher.doc(MultiSearcher.java:156) at org.apache.lucene.search.Hits.doc(Hits.java:180) at de.fhg.scai.bio.tamara.corpusBuilding.LuceneCmdLineInterface.queryMedline(LuceneCmdLineInterface.java:178) at de.fhg.scai.bio.tamara.corpusBuilding.LuceneCmdLineInterface.main(LuceneCmdLineInterface.java:152) this line which causes problems is: String docText = hits.doc(j).getField("DOCUMENT").stringValue() ; I am using java 1.6 and I tried solving this issue with different garbage collectors (-XX:+UseParallelGC and -XX:+UseParallelOldGC) but it didn't help. Does anyone have any idea how to solve this problem? There is also an official bug report: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6293787 Help is much appreciated. :) Best regards, Tamara Bobic --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org