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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DIRAPI-83) Debug logging causes never ending loop whn decoding messages
Date Fri, 07 Dec 2012 16:29:21 GMT

    [ https://issues.apache.org/jira/browse/DIRAPI-83?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526509#comment-13526509
] 

Emmanuel Lecharny commented on DIRAPI-83:
-----------------------------------------

There were a wrong log level (WARNING  instead of DEBUG) here. This is supposed to be an informative
message, when more than one LdapMessage is contained into a PDU. Nothing wrong, just a scarrying
warning.

Changed the log level in http://svn.apache.org/viewvc?rev=1418379&view=rev
                
> Debug logging causes never ending loop whn decoding messages
> ------------------------------------------------------------
>
>                 Key: DIRAPI-83
>                 URL: https://issues.apache.org/jira/browse/DIRAPI-83
>             Project: Directory Client API
>          Issue Type: Bug
>    Affects Versions: 1.0.0-M11
>         Environment: Fedora 16 x64, Java 7, OpenLDAP 2.4.26
>            Reporter: Sumit Raja
>            Priority: Minor
>             Fix For: 1.0.0-M12
>
>
> When a lookup for an entry is done with debug enabled the message decoding goes into
a continuous loop till the search times out. This happens with OpenLDAP when the "ERR_00043_REMAINING_BYTES_FOR_DECODED_PDU
The PDU has been fully decoded but there are still bytes in the buffer." error occurs
> I don't have a test case but a simple LdapConnection.lookup with debug logging enabled
causes this.
> The fix looks pretty straightforward - the actual offending code is in org.apache.directory.shared.ldap.codec.protocol.mina.LdapProtocolDecoder.decode().
The buffer.position is set(:134) and reset(:145) without a mark being set.
> The workaround is to turn off debug logging for the "org.apache.directory" logger

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