Delete operation fails due to decoder failure to properly read DN in request

• Key: DIRSERVER-720
• Type: Bug
• Status: Closed
• Resolution: Invalid
• Priority: Blocker
• Assignee: Emmanuel Lecharny
• Reporter: Alex Karasulu
• Component/s: asn1
• Affects Version/s: 1.0-RC4
• Fix Version/s: 1.5.0, 1.0-RC4

Environment

SUN JVM 1.5.0_08
ApacheDS 1.0-RC4-SNAPSHOT

Description

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