RE: An attribute appears twice in a NotificationMessage

[lenni.madsen]

Hi Damien 

It's a known issue for Muse 2.2, it has to do with the way it assembles
the notification message and Xerces.

If you're only interested in the actual payload of the notification
message, then you can use: 

Element managementEvent = message.getMessageContent(new
QName("http://docs.oasis-open.org/wsdm/muws1-2.xsd","ManagementEvent";));

And then utilize XPath to extract the needed payload elements.

This will get you around the issue for Muse 2.3 (what I use), but should
work for Muse 2.2 as well.

Another solution is to use XmlUtils.toString on the notification message
and then remove the extra headerfield with String pattern search.

/Lenni

-----Original Message-----
From: Damien Ligot [mailto:[EMAIL PROTECTED] 
Sent: 16 December 2007 21:17
To: muse-user@ws.apache.org
Subject: An attribute appears twice in a NotificationMessage

Hi

 

I encounter a problem with the reception of a NotificationMessage.
Indeed, I
need to parse the message in order to extract a Element (tns:Status) but
the
following error appears :

[Fatal Error] :5:65: Attribute "xmlns:wsnt" was already specified for
element "wsnt:NotificationMessage".

 

Which is true since xmlns:wsnt appears twice in the NotificationMessage
I
receive:

 

<wsnt:NotificationMessage

    xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2";

    xmlns:muse-wsa="http://ws.apache.org/muse/addressing";

    xmlns:tns="http://ws.apache.org/muse/test/wsrf";

    xmlns:wsa="http://www.w3.org/2005/08/addressing";
xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2";>

    <wsnt:SubscriptionReference>

        <wsa:Address
xmlns:wsa="http://www.w3.org/2005/08/addressing";>http://localhost:8080/p
rese
nce-server/services/SubscriptionManager
<http://localhost:8080/presence-server/services/SubscriptionManager%3c/w
sa:A
ddress> </wsa:Address>

        <wsa:ReferenceParameters
xmlns:wsa="http://www.w3.org/2005/08/addressing";>

            <muse-wsa:ResourceId
xmlns:muse-wsa="http://ws.apache.org/muse/addressing";>MuseResource-1</mu
se-w
sa:ResourceId>

        </wsa:ReferenceParameters>

    </wsnt:SubscriptionReference>

    <wsnt:Topic

 
Dialect="http://docs.oasis-open.org/wsn/t-1/TopicExpression/Concrete";
xmlns:tns="http://ws.apache.org/muse/test/wsrf";>tns:[EMAIL PROTECTED]</w
snt:
Topic>

    <wsnt:ProducerReference>

        <wsa:ReferenceParameters
xmlns:wsa="http://www.w3.org/2005/08/addressing"/>

        <wsa:Address
xmlns:wsa="http://www.w3.org/2005/08/addressing";>http://localhost:8080/p
rese
nce-server/services/WsResource
<http://localhost:8080/presence-server/services/WsResource%3c/wsa:Addres
s>
</wsa:Address>

    </wsnt:ProducerReference>

    <wsnt:Message>

        <tns:StatusChange
xmlns:tns="http://ws.apache.org/muse/test/wsrf";>

            <tns:Name>[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]/tns:Name> </tns:Name>

            <tns:Status>&lt;?xml version="1.0" encoding="UTF-8"?&gt;

&lt;presence xmlns="urn:ietf:params:xml:ns:pidf"
entity="pres:[EMAIL PROTECTED]"&gt;

    &lt;tuple id="u3dqoo"&gt;

        &lt;status&gt;

            &lt;basic&gt;closed&lt;/basic&gt;

        &lt;/status&gt;

    &lt;/tuple&gt;

&lt;/presence&gt;</tns:Status>

        </tns:StatusChange>

    </wsnt:Message>

</wsnt:NotificationMessage>

 

I use Tomcat 6 and Muse 2.2.

Has anyone encounter the same error ?

Any idea ?

 

D. Ligot

 


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