[ http://issues.apache.org/jira/browse/DIREVE-256?page=all ]
Stefan Zoerner updated DIREVE-256:
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Attachment: UnknownExtendedOperationTest.java
> Extended operation causes client to hang
> ----------------------------------------
>
> Key: DIREVE-256
> URL: http://issues.apache.org/jira/browse/DIREVE-256
> Project: Directory Server
> Type: Bug
> Components: protocol
> Versions: 0.9.3, 0.9.2
> Reporter: Stefan Zoerner
> Assignee: Alex Karasulu
> Priority: Minor
> Attachments: UnknownExtendedOperationTest.java
>
> If a client calls an arbitrary extended operation, the server (namely the ExtendedHandler)
throws a NotImplementedException. After this, the call of the client blocks, and the client
hangs.
> I suggest to change the handler to simply send an error code 2 (LDAP_PROTOCOL_ERROR)
with message "Unrecognized extended operation" back to the client. This is the expected behavior
if an extended operation is not supported by the server.
> Attached you find a test case, which demands an always unknown extended operation (OID=1.1)
and checks the result. Error code 2 leads to a CommunicationException in JNDI. I have tested
this with several LDAP server implementations, behavior was always as expected.
> I have also attached a patch, which changes the ExtendedHandler to behave like described
above. Not a big thing, but it leads to compliant behavior for extended ops, even if we do
not have any in place yet.
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