Serviceclient problem invoking operations which have extended classes as
parameters
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Key: AXIS2-4446
URL: https://issues.apache.org/jira/browse/AXIS2-4446
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Components: client-api
Environment: Windows
Reporter: Banu Maheswari
Hi,
When I try to invoke a webservice which takes as argument, an extended class,
then it is returning the following error.
org.apache.axiom.om.OMException: java.lang.NullPointerException
at
org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:249)
at
org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:327)
at
org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:706)
at
org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:675)
at
org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:124)
at
org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:274)
at
org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:203)
at
org.apache.axiom.soap.impl.llom.SOAPBodyImpl.addChild(SOAPBodyImpl.java:231)
at
org.apache.axis2.client.ServiceClient.fillSOAPEnvelope(ServiceClient.java:713)
at
org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:545)
at
org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:528)
at
org.apache.axis2.rpc.client.RPCServiceClient.invokeBlocking(RPCServiceClient.java:102)
I have a User class {username, password} and a Master class which extends User
class { address, accountType} in my webservice app.
In my client application when i call serviceClient.invokeBlocking(operation,
args.toArray(), returnTypes), where I pass Master class object as one of args,
then I get the above error.
However when I remove the "extends User" from Master class and put all fields
in Master class directly, when I invoke the same operation it works fine
without any issue.
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