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Auto generate Java Code from WSDL using Axis

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Join Date: Sep 2006

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Reputation: thiyagu_mca2006 is an unknown quantity at this point

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thiyagu_mca2006 thiyagu_mca2006 is offline

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Auto generate Java Code from WSDL using Axis

Jul 23rd, 2007

Hi All,

Im Thiyagu, a junior software developer(Java/J2ee). I have assigned to access Webservice (sending request and receiving response from a WSDL). can any tell me the steps involved to convert Java code from a WSDL file using Axis(with ant build script).
please very urgent.

Note : I already tried with Aixs and generated Java code from WSDL , but I got some error while sending request, i.e

Exception in thread "main" AxisFault
faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server
faultSubcode:
faultString: Server was unable to process request. ---> Object reference not set to an instance of an object.
faultActor:
faultNode:
faultDetail:
{http://xml.apache.org/axis/}stackTrace: AxisFault
faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server
faultSubcode:
faultString: Server was unable to process request. ---&gt; Object reference not set to an instance of an object.
faultActor:
faultNode:
faultDetail:
Server was unable to process request. ---> Object reference not set to an instance of an object.

Thank,
Thiyagu.

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Join Date: Jul 2007

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Reputation: ksaxena is an unknown quantity at this point

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ksaxena

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Re: Auto generate Java Code from WSDL using Axis

Jul 23rd, 2007

Two things you need to define in your ant properties or build.xml file:
1. Define typeDef for your WSDL to Java utility so as to use in ant target

 Help with Code Tags 
 Java Syntax (Toggle Plain Text) 
<typedef name="wsdl2java" classname="org.apache.axis.tools.ant.wsdl.Wsdl2javaAntTask" classpathref="axisclasspath"/>
<typedef name="wsdl2java" classname="org.apache.axis.tools.ant.wsdl.Wsdl2javaAntTask" classpathref="axisclasspath"/>

2. Within your desired target say

 Help with Code Tags 
 Java Syntax (Toggle Plain Text) 
<wsdl2java verbose="true" output="${yourOutputDir}/wsdl" url="${wsdlFileName}.wsdl" deployScope="Session">
	<mapping package="${package}" namespace="urn:${service.name}"/>
</wsdl2java>
<wsdl2java verbose="true" output="${yourOutputDir}/wsdl" url="${wsdlFileName}.wsdl" deployScope="Session">
	<mapping package="${package}" namespace="urn:${service.name}"/>
</wsdl2java>

Make sure you have mentioned axisclasspath using <path id="axisclasspath">....</path>, which is required by step 1, this is the classpath which ant will internally use to compile WSDL to generate stubs and impl files, so make sure you have mentioned all necessary Axis jars in it.

Hope this will help.

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jwenting

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duckman

Re: Auto generate Java Code from WSDL using Axis

Jul 24th, 2007

no, it is NOT urgent.

The thing to do is to read the documentation, which explains it all in detail.
The steps for using ANT to retrieve the WSDL and generate your classes has already been outlined above though not every option you could use mentioned, use the manual to find out about those.

As people are clearly allowed to attack me but I'm not allowed to defend myself, I no longer post to this site.

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thiyagu_mca2006 thiyagu_mca2006 is offline

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Re: Auto generate Java Code from WSDL using Axis

Jul 25th, 2007

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Originally Posted by ksaxena

Two things you need to define in your ant properties or build.xml file:
1. Define typeDef for your WSDL to Java utility so as to use in ant target
Help with Code Tags

Java Syntax (Toggle Plain Text)
<typedef name="wsdl2java" classname="org.apache.axis.tools.ant.wsdl.Wsdl2javaAntTask" classpathref="axisclasspath"/>
<typedef name="wsdl2java" classname="org.apache.axis.tools.ant.wsdl.Wsdl2javaAntTask" classpathref="axisclasspath"/>
2. Within your desired target say
Help with Code Tags

Java Syntax (Toggle Plain Text)
<wsdl2java verbose="true" output="${yourOutputDir}/wsdl" url="${wsdlFileName}.wsdl" deployScope="Session">
    <mapping package="${package}" namespace="urn:${service.name}"/>
</wsdl2java>
<wsdl2java verbose="true" output="${yourOutputDir}/wsdl" url="${wsdlFileName}.wsdl" deployScope="Session"> <mapping package="${package}" namespace="urn:${service.name}"/> </wsdl2java>
Make sure you have mentioned axisclasspath using <path id="axisclasspath">....</path>, which is required by step 1, this is the classpath which ant will internally use to compile WSDL to generate stubs and impl files, so make sure you have mentioned all necessary Axis jars in it.

Hope this will help.

Dear ksaxena,

Thank you very much for your kind information. The problem I faced was, the Webservice need the Client to send SOAPHeader along with request. I tried it to set SOAPHeaderElement before I invoking service using setHeader(SOAPHeaderElemet). Its working fine now , and I can send and receive response well.

Thanks,
Thiyagu.

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Join Date: Sep 2006

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thiyagu_mca2006 thiyagu_mca2006 is offline

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Re: Auto generate Java Code from WSDL using Axis

Jul 25th, 2007

•

Originally Posted by jwenting

no, it is NOT urgent.

The thing to do is to read the documentation, which explains it all in detail.
The steps for using ANT to retrieve the WSDL and generate your classes has already been outlined above though not every option you could use mentioned, use the manual to find out about those.

Dear jwenting,

Thank you very much for your kind information. The problem I faced was, the Webservice need the Client to send SOAPHeader along with request. I tried it to set SOAPHeaderElement before I invoking service using setHeader(SOAPHeaderElemet). Its working fine now , and I can send and receive response well.

Thanks,
Thiyagu.