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Feb 8, 2010, 11:59 AM
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[jira] Created: (LUCENE-2255) IndexWriter.getReader() allocates file handles
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IndexWriter.getReader() allocates file handles
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Key: LUCENE-2255
URL: https://issues.apache.org/jira/browse/LUCENE-2255
Project: Lucene - Java
Issue Type: Bug
Components: Index
Environment: Ubuntu 9.10, Java 6
Reporter: Mikkel Kamstrup Erlandsen
Attachments: LuceneManyCommits.java
I am not sure if this is a "bug" or really just me not reading the Javadocs right...
The IR returned by IW.getReader() leaks file handles if you do not close() it, leading to starvation of the available file handles/process. If it was clear from the docs that this was a *new* reader and not some reference owned by the writer then this would probably be ok. But as I read the docs the reader is internally managed by the IW, which at first shot lead me to believe that I shouldn't close it.
So perhaps the docs should be amended to clearly state that this is a caller-owns reader that *must* be closed? Attaching a simple app that illustrates the problem.
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