How to create SOAP Header elements in SAAJ?

[Chinmay Ogale]

I am facing a problem when adding header elements under SOAP Header
using SAAJ(api).
I want to create a structure as following:
I get a empty SOAP header obejct by writing code--> SOAPHeader header
= envelope.getHeader();
But not able to add SOAP header elements as specified in example
below. I tried but its giving me error as
"HeaderElements must be namespace qualified"
CAN ANYBODY TELL ME THAT HOW TO ADD HEADER ELEMENTS USING SAAJ??
<SOAP:Header>
<AccountNumber>123</AccountNumber>
<AuthorisationCode>test111</AuthorisationCode>
<Source>abc</Source>
<Market>01</Market>
</SOAP:Header>