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Posted to java-user@axis.apache.org by Ricky Ho <ri...@cisco.com> on 2003/01/18 02:55:29 UTC
How to add a SOAP header into a SOAP envelope ??
I try to add a SOAP header into a SOAP envelope.
1) SOAPEnvelope soapEnv = .... ;
2) System.out.println("SoapEnv is ..\n" + soapEnv);
3) SOAPHeaderElement hdrElement = new SOAPHeaderElement(new
PrefixedQName("myNamespace","someHeader", "prefix"));
4) soapEnv.addHeader(hdrElement);
5) System.out.println("SoapEnv is ..\n" + soapEnv);
At line 2, I get ...
SoapEnv is ..
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soapenv:Body>
<ns1:getTemp
soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:ns1="urn:xmethods-Temperature">
<zipcode xsi:type="xsd:string">95135</zipcode>
</ns1:getTemp>
</soapenv:Body>
</soapenv:Envelope>
But I get an Exception after line 4
Exception:
java.lang.NullPointerException
at org.apache.axis.message.SOAPHeader.outputImpl(SOAPHeader.java:330)
at
org.apache.axis.message.SOAPEnvelope.outputImpl(SOAPEnvelope.java:395)
at
org.apache.axis.message.MessageElement.output(MessageElement.java:754)
at
org.apache.axis.message.MessageElement.getAsString(MessageElement.java:677)
at
org.apache.axis.message.MessageElement.toString(MessageElement.java:805)
at java.lang.String.valueOf(String.java:2146)
at java.lang.StringBuffer.append(StringBuffer.java:372)
at myMethod
At line 5, I get the following
SoapEnv is ..
null
What have I done wrong ??
Rgds, Ricky