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http://issues.apache.org/jira/browse/DIRSERVER-699?page=comments#action_12426486
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Jörg Henne commented on DIRSERVER-699:
--------------------------------------
Sure. Here we go:
[09:22:19] WARN
[org.apache.directory.server.ldap.LdapProtocolProvider$LdapProtocolHandler] -
[/127.0.0.1:4281] Unexpected exception forcing session to close: sending
disconnect notice to client.
org.apache.mina.filter.codec.ProtocolDecoderException:
java.lang.NullPointerException (Hexdump: empty)
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$5(AbstractIoFilterChain.java:495)
at
org.apache.mina.common.support.AbstractIoFilterChain$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:475)
at
org.apache.mina.filter.ThreadPoolFilter$Worker.run(ThreadPoolFilter.java:429)
Caused by: java.lang.NullPointerException
at
org.apache.directory.shared.ldap.message.AbstractMessage.add(AbstractMessage.java:100)
at
org.apache.directory.shared.ldap.codec.TwixTransformer.transform(TwixTransformer.java:783)
at
org.apache.directory.shared.ldap.message.MessageDecoder$1.decodeOccurred(MessageDecoder.java:148)
at
org.apache.directory.shared.ldap.codec.TwixDecoder.decode(TwixDecoder.java:135)
at
org.apache.directory.shared.ldap.message.MessageDecoder.decode(MessageDecoder.java:206)
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
What I failed to mention is that the control I tries to use was the
SubentriesControl.
The exception is not that odd actually, if you look at the code:
- TwixTransformer:742 initializes the ControlImpl to null
- in :746 PSearchControls are handled
- in :757 the generic ones with just a byte array
- both conditions above don't catch,
- therefore we fall out at the bottom and try to add a null ControlImpl in :783.
> Known Controls except PSearchControl cause NPE
> ----------------------------------------------
>
> Key: DIRSERVER-699
> URL: http://issues.apache.org/jira/browse/DIRSERVER-699
> Project: Directory ApacheDS
> Issue Type: Bug
> Components: ldap
> Affects Versions: 1.0-RC4
> Reporter: Jörg Henne
>
> Known controls, i.e. those which are decoded to a class instance instead of a
> byte array, cause a NPE as the TwixTransformer:783 tries to set a null value
> to the snickersMessage.
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