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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-4438) Lucene40StoredFieldsReader's constructor calls close() instead of IOUtils.closeWhileHandlingException in its finally block
Date Wed, 26 Sep 2012 13:47:07 GMT
Adrien Grand created LUCENE-4438:
------------------------------------

             Summary: Lucene40StoredFieldsReader's constructor calls close() instead of IOUtils.closeWhileHandlingException
in its finally block
                 Key: LUCENE-4438
                 URL: https://issues.apache.org/jira/browse/LUCENE-4438
             Project: Lucene - Core
          Issue Type: Bug
    Affects Versions: 4.0
            Reporter: Adrien Grand
            Priority: Minor
             Fix For: 4.1, 5.0


It would be nice to have automated tests for this kind of things (similarly to the check-forbidden-api
task).

Here is the discussion I just had with Uwe on IRC:
{noformat}
15:32 < jpountz> ThetaPh1: I just saw that Lucene40StoredFieldsReader's constructor
calls close in its finally block. I think it is wrong since close might throw an IOE (should
be catched), am I 
                 correct? If yes, then is it something we could test with ASM (similarly to
the forbidden API checks)?
15:32 <@ThetaPh1> it does not use IOUtils?
15:33 <@ThetaPh1> we cannot check this with asm easily
15:33 <@ThetaPh1> we could only forbid calling Closeable.close() and exclude IOUtils
from that
15:34 <@ThetaPh1> so the correct fix is to use IOUtils when clsoing
15:34 <@ThetaPh1> it also checks for null and suppresses exceptions
15:36 < jpountz> ThetaPh1: no, it does no
15:36 <@ThetaPh1> its a bug :-)
15:36 <@ThetaPh1> but not serious
15:36 <@ThetaPh1> for local files it never throws exceptions
15:36 < jpountz> ok
15:37 < jpountz> I think catching calls to Closeable.close would already be nice
15:37 <@ThetaPh1> but we might think about disallowing Closeable.close()
15:37 < jpountz> I'll open an issue
15:37 <@ThetaPh1> we can add that as a separate check-forbidden-apis file
15:37 <@ThetaPh1> but exclude IOUtils from the fileset
15:37 <@ThetaPh1> unfortunately all tests do this
15:38 <@ThetaPh1> so i would restriuct this to non-tests, too
{noformat}

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