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Anusha Rao commented on LUCENE-4751: ------------------------------------ Simon, Thanks for your reply. The limit of the open files is already set to a big number about 80000 or so. Do you think there was an issue with the older lucene core jar with this respect? > IndexReader close throwing NullPointerException > ----------------------------------------------- > > Key: LUCENE-4751 > URL: https://issues.apache.org/jira/browse/LUCENE-4751 > Project: Lucene - Core > Issue Type: Bug > Components: core/search > Affects Versions: 2.9.2 > Environment: RedHat > Reporter: Anusha Rao > > Hi, > Has anyone seen the NullPointerException as shown below > before? We have used Lucene to build a public site search functionality. > All the IndexReader objects in there are closed appropriately except one that > throws the following error and results in (too many files open) exception. > This brings the entire site down. > The lucene version we are using is lucene-core-2.9.2.jar > > Any idea what could cause this exception? > > > java.lang.NullPointerException > at > org.apache.lucene.index.SegmentReader$Norm.decRef(SegmentReader.java:393) > at > org.apache.lucene.index.SegmentReader.doClose(SegmentReader.java:868) > at org.apache.lucene.index.IndexReader.decRef(IndexReader.java:170) > at > org.apache.lucene.index.DirectoryReader.doClose(DirectoryReader.java:803) > at org.apache.lucene.index.IndexReader.decRef(IndexReader.java:170) > at org.apache.lucene.index.IndexReader.close(IndexReader.java:1302) > at search.Searcher.search(Searcher.java:387) // the close in this > class does not execute > -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org