[jira] [Commented] (DIRAPI-200) unBind() followed by bind() on the same connection may throw an IllegalStateException

["Emmanuel Lecharny (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRAPI-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14077369#comment-14077369 ] 

Emmanuel Lecharny commented on DIRAPI-200:
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I do think that it's a clear bug. The exception we get may not be clear, but the fact is that we should not get an exception at all. Even more problematic : we sometime get a NPE.

> unBind() followed by bind() on the same connection may throw an IllegalStateException
> -------------------------------------------------------------------------------------
>
>                 Key: DIRAPI-200
>                 URL: https://issues.apache.org/jira/browse/DIRAPI-200
>             Project: Directory Client API
>          Issue Type: Bug
>    Affects Versions: 1.0.0-M23
>            Reporter: lucas theisen
>
> Not sure if this even should be allowed but the fact that it can result in an exception is disconcerting.  I added a test case to {{LdapConnectionPoolTest}} (with the {{unBind()}} currently commented out) that can be used to reproduce this issue.
> The main question here, in my mind, is whether or not this should be allowed.  If not allowed, we should immediately throw a more reasonable exception if any operation is attempted on an {{LdapConnection}} that has had {{unBind()}} called on it.  Perhaps still an {{IllegalStateException}}, but maybe with a message stating _connection no longer valid after unBind()_.  More importantly, this should happen every time, rather than just when the race condition bears its ugly face.  For more discussion, see [this email chain|http://mail-archives.apache.org/mod_mbox/directory-dev/201407.mbox/%3CEE6ADC61AF2D71408E4FA7F9517DB7710A9C07E5%40IMCMBX03.MITRE.ORG%3E].



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