A bug in JAXM?

Hi,
A standalone client application I'm writing makes a soap connection to a server. Among other header values, the url of the following form is also sent as a header value:
String url = http://www.myserver.com/app?a=b&c=d&e=f;
header.addHeaderElement(envelope.createName("url", NS_PREFIX, NS_URI)).addTextNode(url);
A null pointer exception is generated, which I think happens during JAXM generation of the SOAP message XML.
The problem was with the query string part of the url. I think the '&' character which is a reserved character in XML wasn't escaped during the SOAP xml generation.
Somebody reading this might say I should encode the URL before passing it as a header value. I agree and that is the solution I'm using now. But what if I i'm not sending a url but the string "a&b" as a header value?
I think the bug here is that JAXM refuses to put the header value into a CDATA section which I think should be the case.
Another problem is that newlines appearing in header values are removed during transmission to the server. Why?

Why dont you go ahead and file a bug here.
http://developer.java.sun.com/developer/bugParade/
I will see if I can dig up more info for you.
Amlan

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