Bok Tamara, You didn't say what -Xmx value you are using. Try a little higher value. Note that loading field values (and it looks like this one may be big because is compressed) from a lot of hits is not recommended.
Otis ---- Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch Lucene ecosystem search :: http://search-lucene.com/ >________________________________ >From: Tamara Bobic <tamara.bo...@scai.fraunhofer.de> >To: java-user@lucene.apache.org >Cc: Roman Klinger <roman.klin...@scai.fraunhofer.de> >Sent: Tuesday, October 18, 2011 12:21 PM >Subject: OutOfMemoryError > >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 > > > >
