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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DIRSERVER-720) Delete operation fails due to decoder failure to properly read DN in request
Date Tue, 29 Aug 2006 14:41:25 GMT
    [ http://issues.apache.org/jira/browse/DIRSERVER-720?page=comments#action_12431256 ] 
            
Emmanuel Lecharny commented on DIRSERVER-720:
---------------------------------------------

The dn we receive is really invalid ; 
0x64 0x6E 0x3A 0x20 0x75 0x69 0x64 0x3D 0x75 0x73 0x65 0x72 0x2E 0x31 0x2C 0x64 0x63 0x3D
0x65 0x78 0x61 0x6D 0x70 0x6C 0x65 0x2C 0x64 0x63 0x3D 0x63 0x6F 0x6D
are the bytes for :
dn: uid=user.1,dc=example,dc=com

And the full received PDU is :

30 25 
  02 01 02 
  4A 20 
    64 6E 3A 20 75 69 64 3D 75 73 65 72 2E 31 2C 64 63 3D 65 78 61 6D 70 6C 65 2C 64 63 3D
63 6F 6D
   (d   n   :         u   i    d    =  u   s   e   r    .    1   ,    d   c    =   e   x 
 a   m  p   l   e     ,   d   c   =   c    o   m)
the first chars ( "dn: ") should not be there. Ldapdelete command is bugged, I think.


> Delete operation fails due to decoder failure to properly read DN in request
> ----------------------------------------------------------------------------
>
>                 Key: DIRSERVER-720
>                 URL: http://issues.apache.org/jira/browse/DIRSERVER-720
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: asn1
>    Affects Versions: 1.0-RC4
>         Environment: SUN JVM 1.5.0_08
> ApacheDS 1.0-RC4-SNAPSHOT
>            Reporter: Alex Karasulu
>         Assigned To: Emmanuel Lecharny
>            Priority: Blocker
>             Fix For: 1.1.0, 1.0-RC4
>
>         Attachments: ldifs.tgz
>
>
> Standard delete requests with the OpenLDAP (ldapdelete) client has started to fail. 
I'm getting the following stack trace from ApacheDS:
> [20:34:41] ERROR [org.apache.directory.shared.ldap.codec.del.DelRequestGrammar] - The
DN to delete : dn: uid=user.1,dc=example,dc=com (0x64 0x6E 0x3A 0x20 0x75 0x69 0x64 0x3D 0x75
0x73 0x65 0x72 0x2E 0x31 0x2C 0x64 0x63 0x3D 0x65 0x78 0x61 0x6D 0x70 0x6C 0x65 0x2C 0x64
0x63 0x3D 0x63 0x6F 0x6D ) is invalid : Bad DN : dn: uid=user.1,dc=example,dc=com
> [20:34:41] ERROR [org.apache.directory.shared.asn1.ber.Asn1Decoder] - The PDU is decoded,
but we should have had more TLVs
> [20:34:41] WARN [org.apache.directory.server.ldap.LdapProtocolProvider$LdapProtocolHandler]
- [/127.0.0.1:47133] Unexpected exception forcing session to close: sending disconnect notice
to client.
> org.apache.mina.filter.codec.ProtocolDecoderException: org.apache.directory.shared.ldap.message.MessageException:
decoder failture: Truncated PDU. Some elements are lacking, accordingly to the grammar (Hexdump:
30 05 02 01 03 42 00)
>         at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:168)
>         at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:501)
>         at org.apache.mina.common.support.AbstractIoFilterChain.access$1000(AbstractIoFilterChain.java:51)
>         at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:787)
>         at org.apache.mina.filter.ThreadPoolFilter.processEvent(ThreadPoolFilter.java:718)
>         at org.apache.mina.filter.ThreadPoolFilter$Worker.processEvents(ThreadPoolFilter.java:474)
>         at org.apache.mina.filter.ThreadPoolFilter$Worker.run(ThreadPoolFilter.java:429)
> Caused by: org.apache.directory.shared.ldap.message.MessageException: decoder failture:
Truncated PDU. Some elements are lacking, accordingly to the grammar
>         at org.apache.directory.shared.ldap.message.MessageDecoder.decode(MessageDecoder.java:231)
>         at org.apache.mina.filter.codec.asn1.Asn1CodecDecoder.decode(Asn1CodecDecoder.java:52)
>         at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:157)
>         ... 6 more
> I'm also getting the following output (error message) from ApacheDS on the clientside:
> Delete Result: Invalid DN syntax (34)
> Additional info: The DN to delete : dn: uid=user.1,dc=example,dc=com (0x64 0x6E 0x3A
0x20 0x75 0x69 0x64 0x3D 0x75 0x73 0x65 0x72 0x2E 0x31 0x2C 0x64 0x63 0x3D 0x65 0x78 0x61
0x6D 0x70 0x6C 0x65 0x2C 0x64 0x63 0x3D 0x63 0x6F 0x6D ) is invalid

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