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POWeb Service method in AXIS2 receives null arguments. Why?
 

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  1. POWeb Service method in AXIS2 receives null arguments. Why?
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    <p>I am new to java web services. While trying out a basic web service operation, I got stuck. I have been following this <a href="http://www.softwareagility.gr/index.php?q=node/21" rel="nofollow">article</a> as a reference. The service class is pretty simple and looks like this:</p> <pre><code>public class MyService { public MyService() { } public Boolean Configure(String param, String val){ System.out.println("First arg: " + param + " Second arg:" + val); //Added by me. return true; } public Boolean StartMe(){ return true; } public Boolean StopMe(){ return true; } public String getStatus(){ return "No status available!"; } } </code></pre> <p>I have created the service using Eclipse (Bottom up Java bean Web Service) as mentioned on that article. To test my service I used Eclipse <strong>Web Service Explorer</strong>.</p> <p>Now here comes the issue. When I set param values in the service explorer and hit go I see null values getting printed in the console (<strong>First arg: null Second arg:null</strong>). I have tried to solve this for many hours but still no luck. But there is no problem with other three methods. They are giving responses and I can see it in the service explorer. The WSDL that have been generated is this:</p> <pre><code>&lt;wsdl:definitions targetNamespace="http://service.myapp.com"&gt; &lt;wsdl:documentation&gt; Please Type your service description here &lt;/wsdl:documentation&gt; &lt;wsdl:types&gt; &lt;xs:schema attributeFormDefault="qualified" elementFormDefault="qualified" targetNamespace="http://service.myapp.com"&gt; &lt;xs:element name="Configure"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element minOccurs="0" name="param" nillable="true" type="xs:string"/&gt;&lt;xs:element minOccurs="0" name="val" nillable="true" type="xs:string"/&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;xs:element name="ConfigureResponse"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element minOccurs="0" name="return" type="xs:boolean"/&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;xs:element name="StartMeResponse"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element minOccurs="0" name="return" type="xs:boolean"/&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;xs:element name="StopMeResponse"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element minOccurs="0" name="return" type="xs:boolean"/&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;xs:element name="getStatusResponse"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element minOccurs="0" name="return" nillable="true" type="xs:string"/&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:schema&gt; &lt;/wsdl:types&gt;&lt;wsdl:message name="StartMeRequest"/&gt; &lt;wsdl:message name="StartMeResponse"&gt; &lt;wsdl:part name="parameters" element="ns:StartMeResponse"/&gt; &lt;/wsdl:message&gt; &lt;wsdl:message name="ConfigureRequest"&gt; &lt;wsdl:part name="parameters" element="ns:Configure"/&gt; &lt;/wsdl:message&gt; &lt;wsdl:message name="ConfigureResponse"&gt; &lt;wsdl:part name="parameters" element="ns:ConfigureResponse"/&gt; &lt;/wsdl:message&gt;&lt;wsdl:message name="getStatusRequest"/&gt; &lt;wsdl:message name="getStatusResponse"&gt; &lt;wsdl:part name="parameters" element="ns:getStatusResponse"/&gt; &lt;/wsdl:message&gt;&lt;wsdl:message name="StopMeRequest"/&gt; &lt;wsdl:message name="StopMeResponse"&gt; &lt;wsdl:part name="parameters" element="ns:StopMeResponse"/&gt; &lt;/wsdl:message&gt; &lt;wsdl:portType name="MyServicePortType"&gt; &lt;wsdl:operation name="StartMe"&gt; &lt;wsdl:input message="ns:StartMeRequest" wsaw:Action="urn:StartMe"/&gt;&lt;wsdl:output message="ns:StartMeResponse" wsaw:Action="urn:StartMeResponse"/&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="Configure"&gt; &lt;wsdl:input message="ns:ConfigureRequest" wsaw:Action="urn:Configure"/&gt;&lt;wsdl:output message="ns:ConfigureResponse" wsaw:Action="urn:ConfigureResponse"/&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="getStatus"&gt; &lt;wsdl:input message="ns:getStatusRequest" wsaw:Action="urn:getStatus"/&gt;&lt;wsdl:output message="ns:getStatusResponse" wsaw:Action="urn:getStatusResponse"/&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="StopMe"&gt; &lt;wsdl:input message="ns:StopMeRequest" wsaw:Action="urn:StopMe"/&gt;&lt;wsdl:output message="ns:StopMeResponse" wsaw:Action="urn:StopMeResponse"/&gt; &lt;/wsdl:operation&gt; &lt;/wsdl:portType&gt; &lt;wsdl:binding name="MyServiceSoap11Binding" type="ns:MyServicePortType"&gt; &lt;soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/&gt; &lt;wsdl:operation name="StartMe"&gt; &lt;soap:operation soapAction="urn:StartMe" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="Configure"&gt; &lt;soap:operation soapAction="urn:Configure" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="getStatus"&gt; &lt;soap:operation soapAction="urn:getStatus" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="StopMe"&gt; &lt;soap:operation soapAction="urn:StopMe" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;/wsdl:binding&gt; &lt;wsdl:binding name="MyServiceSoap12Binding" type="ns:MyServicePortType"&gt; &lt;soap12:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/&gt; &lt;wsdl:operation name="StartMe"&gt; &lt;soap12:operation soapAction="urn:StartMe" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="Configure"&gt; &lt;soap12:operation soapAction="urn:Configure" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="getStatus"&gt; &lt;soap12:operation soapAction="urn:getStatus" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="StopMe"&gt; &lt;soap12:operation soapAction="urn:StopMe" style="document"/&gt; &lt;wsdl:input&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;soap12:body use="literal"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;/wsdl:binding&gt; &lt;wsdl:binding name="MyServiceHttpBinding" type="ns:MyServicePortType"&gt; &lt;http:binding verb="POST"/&gt; &lt;wsdl:operation name="StartMe"&gt; &lt;http:operation location="MyService/StartMe"/&gt; &lt;wsdl:input&gt; &lt;mime:content type="text/xml" part="StartMe"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;mime:content type="text/xml" part="StartMe"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="Configure"&gt; &lt;http:operation location="MyService/Configure"/&gt; &lt;wsdl:input&gt; &lt;mime:content type="text/xml" part="Configure"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;mime:content type="text/xml" part="Configure"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="getStatus"&gt; &lt;http:operation location="MyService/getStatus"/&gt; &lt;wsdl:input&gt; &lt;mime:content type="text/xml" part="getStatus"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;mime:content type="text/xml" part="getStatus"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;wsdl:operation name="StopMe"&gt; &lt;http:operation location="MyService/StopMe"/&gt; &lt;wsdl:input&gt; &lt;mime:content type="text/xml" part="StopMe"/&gt; &lt;/wsdl:input&gt; &lt;wsdl:output&gt; &lt;mime:content type="text/xml" part="StopMe"/&gt; &lt;/wsdl:output&gt; &lt;/wsdl:operation&gt; &lt;/wsdl:binding&gt; &lt;wsdl:service name="MyService"&gt; &lt;wsdl:port name="MyServiceHttpSoap11Endpoint" binding="ns:MyServiceSoap11Binding"&gt; &lt;soap:address location="http://110.227.162.237:8080/WebServicePrototype/services/MyService.MyServiceHttpSoap11Endpoint/"/&gt; &lt;/wsdl:port&gt; &lt;wsdl:port name="MyServiceHttpSoap12Endpoint" binding="ns:MyServiceSoap12Binding"&gt; &lt;soap12:address location="http://110.227.162.237:8080/WebServicePrototype/services/MyService.MyServiceHttpSoap12Endpoint/"/&gt; &lt;/wsdl:port&gt; &lt;wsdl:port name="MyServiceHttpEndpoint" binding="ns:MyServiceHttpBinding"&gt; &lt;http:address location="http://110.227.162.237:8080/WebServicePrototype/services/MyService.MyServiceHttpEndpoint/"/&gt; &lt;/wsdl:port&gt; &lt;/wsdl:service&gt; </code></pre> <p></p> <p>I'm using : a) Eclipse: Ganymede/Galileo b) Tomcat 6.0 c) AXIS2 1.4.1</p> <p>Please help me out or let me know whether I'm missing some basic fundamentals. Any help is much appreciated. </p>
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    1. USSubhajit Roy
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