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https://issues.apache.org/jira/browse/LUCENE-793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-793:
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Attachment: LUCENE-793.patch
OK I created 3 subclasses of IOException:
org.apache.lucene.store.LockObtainFailedException
org.apache.lucene.index.CorruptIndexException
org.apache.lucene.index.StaleReaderException
and then changed most places where we throw a newly created
IOException to instead throw one of these. We still throw an
IOException for low-level errors (eg "can't read directory" or "can't
find segments_N file").
I updated javadocs to reflect these changes.
Other small changes:
* Fixed IndexReader to throw IOException if you try to
delete/setNorm/undeleteAll after the reader is closed (it wasn't
previously). Added unit test for this.
* Fixed one respelling in private method (aquireWriteLock ->
acquireWriteLock)
* Changed some places where we were throwing IllegalStateException
to throw CorruptIndexException instead
* Fixed some javadoc warnings
> Javadocs should explain possible causes for IOExceptions
> --------------------------------------------------------
>
> Key: LUCENE-793
> URL: https://issues.apache.org/jira/browse/LUCENE-793
> Project: Lucene - Java
> Issue Type: Bug
> Components: Javadocs
> Reporter: Michael McCandless
> Assigned To: Michael McCandless
> Priority: Minor
> Attachments: LUCENE-793.patch
>
>
> Most methods in Lucene reserve the right to throw an IOException. This can
> occur for nearly all methods from low level problems like wrong permissions,
> transient IO errors, bad hard drive or corrupted file system, corrupted
> index, etc, but for some methods there are also more interesting causes that
> we should try to document.
> Spinoff of this thread:
> http://www.gossamer-threads.com/lists/lucene/java-user/44929
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