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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DIRSERVER-1814) [patch] Using anon connection results in UnbindRequestHandler reporting 'LdapNoSuchObjectException: ERR_268 Cannot find a partition for '
Date Thu, 02 May 2013 11:42:16 GMT

     [ https://issues.apache.org/jira/browse/DIRSERVER-1814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Emmanuel Lecharny updated DIRSERVER-1814:
-----------------------------------------

    Fix Version/s:     (was: 2.0.0-RC1)
                   2.0.0-M12
    
> [patch] Using anon connection results in UnbindRequestHandler reporting 'LdapNoSuchObjectException:
ERR_268 Cannot find a partition for '
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DIRSERVER-1814
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1814
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 2.0.0-M11
>            Reporter: Piotr Kubowicz
>            Priority: Minor
>              Labels: anonymous
>             Fix For: 2.0.0-M12
>
>         Attachments: unbind.patch
>
>
> I use anonymous connection to an embedded ApacheDS instance (DefaultDirectoryService
allows anon access by default). I receive multiple errors like:
> 8671  ERROR o.a.d.s.l.h.r.UnbindRequestHandler - ERR_169 failed to unbind session properly
> org.apache.directory.api.ldap.model.exception.LdapNoSuchObjectException: ERR_268 Cannot
find a partition for 
>         at org.apache.directory.server.core.shared.partition.DefaultPartitionNexus.getPartition(DefaultPartitionNexus.java:927)
~[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.core.shared.partition.DefaultPartitionNexus.unbind(DefaultPartitionNexus.java:794)
~[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.core.api.interceptor.BaseInterceptor$1.unbind(BaseInterceptor.java:266)
~[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.core.api.interceptor.BaseInterceptor.next(BaseInterceptor.java:690)
~[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.core.authn.AuthenticationInterceptor.unbind(AuthenticationInterceptor.java:1159)
~[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.core.DefaultOperationManager.unbind(DefaultOperationManager.java:1230)
~[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.core.shared.DefaultCoreSession.unbind(DefaultCoreSession.java:1073)
~[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.ldap.handlers.request.UnbindRequestHandler.handle(UnbindRequestHandler.java:50)
[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.ldap.handlers.request.UnbindRequestHandler.handle(UnbindRequestHandler.java:38)
[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:219)
[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:56)
[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.mina.handler.demux.DemuxingIoHandler.messageReceived(DemuxingIoHandler.java:232)
[org.apache.mina.core-2.0.4.jar:na]
>         at org.apache.directory.server.ldap.LdapProtocolHandler.messageReceived(LdapProtocolHandler.java:217)
[org.apache.directory.server-2.0.0-M11.jar:2.0.0-M11]
>         at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:716)
[org.apache.mina.core-2.0.4.jar:na]
> Debugging reveals that when using anonymous connection, DN in UnbindOperationContext
is empty. If I connect using admin account, this errors stop appearing.
> This is not just a matter of printing out an exception: looking at UnbindRequestHandler
source code, the exception is thrown from
>             session.getCoreSession().unbind( unbindRequest );
> so the following lines will not be executed due to the exception:
>             session.getIoSession().close( true );
>             ldapServer.getLdapSessionManager().removeLdapSession( session.getIoSession()
);
> I don't know how important are the two last ones. Please consider using Java 'finally'
block if omitting these operations may leave server in an unstable state.
> To fix the bug, I suggest skipping unbind operation for an empty DN from UnbindOperationContext
- see the attached patch. I leave UnbindRequestHandler changes for your own decision, as I
don't know the code good enough.

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