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https://issues.apache.org/jira/browse/AXIS2-2748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davanum Srinivas updated AXIS2-2748:
------------------------------------
Assignee: Amila Chinthaka Suriarachchi
> wsdl2java problem generating Faults for WCF service
> ---------------------------------------------------
>
> Key: AXIS2-2748
> URL: https://issues.apache.org/jira/browse/AXIS2-2748
> Project: Axis 2.0 (Axis2)
> Issue Type: Bug
> Affects Versions: 1.2, 1.1.1
> Environment: Windows XP Professional
> Reporter: Scott Waldner
> Assignee: Amila Chinthaka Suriarachchi
> Attachments: WSTest_wsdl.xml, WSTest_wsdl0.xml, WSTest_wsdl1.xml,
> WSTest_xsd0.xml, WSTest_xsd1.xml, WSTest_xsd2.xml
>
>
> I am attempting to create a client to communicate with a Web Service written
> using WCF. For the most part this is working well. However, I am seeing a
> problem with the way wsdl2java is generating Faults. I have produced a
> simple example where there are two operations on the web service that look
> like this (this is the WCF interface):
> public interface IWSTest
> {
> [OperationContract]
> [FaultContract(typeof(CustomException))]
> int MyMethod1();
> [OperationContract]
> [FaultContract(typeof(CustomException))]
> int MyMethod2();
> }
> Note that both methods throw the exception "CustomException". After running
> wsdl2java I end up with the following:
> public int MyMethod2(myproduct.mycompany.MyMethod2 myMethod233)
> throws java.rmi.RemoteException,
>
> com.metafile.eippadminws.WSTest_MyMethod2_CustomExceptionFault_FaultMessageException;
> public int MyMethod1(myproduct.mycompany.MyMethod1 myMethod130)
> throws java.rmi.RemoteException,
>
> com.metafile.eippadminws.WSTest_MyMethod2_CustomExceptionFault_FaultMessageException;
> In the generated client code, both methods throw the same exception
> com.metafile.eippadminws.WSTest_MyMethod2_CustomExceptionFault_FaultMessageException
> (good), but the exception name includes the name of the method "MyMethod2"
> which I think it should not. This causes compatibility problems in the
> following scenario: Suppose a new operation is added to the WCF web service,
> call it "MyMethod3" (I consider this type of change to be an upward
> compatible change because no existing web service operations have been
> changed). Suppose MyMethod3 also throws CustomException. In the code
> generated by wsdl2java, the contract for MyMethod1 and MyMethod2 now changes.
> Instead of throwing
> com.metafile.eippadminws.WSTest_MyMethod2_CustomExceptionFault_FaultMessageException
> it now throws
> com.metafile.eippadminws.WSTest_MyMethod3_CustomExceptionFault_FaultMessageException.
> My application that was catching this exception now has compile errors.
> Some other background information:
> WCF doesn't generate one WSDL file - it generates many WSDL files and schema
> files. I also can't figure out how to export these wsdl files from WCF.
> However, I can open the WSDL in a browser and save the WSDL. I will attach
> these. The following output from wsdl2java shows you the WSDL files that are
> being read and also shows an message about the Fault not be able to be
> overwritten:
> ----- Start of output -----
> Using AXIS2_HOME: C:\downloads\ApacheAxis2\1.2\unzipped\axis2-1.2
> Using JAVA_HOME: C:\Program Files\Java\jre1.5.0_09
> Retrieving document at 'http://scd9600:6000/WSTest?wsdl=wsdl1', relative to
> 'http://scd9600:6000/WSTest?wsdl'.
> Retrieving document at 'http://scd9600:6000/WSTest?wsdl=wsdl0', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl1'.
> Retrieving schema at 'http://scd9600:6000/WSTest?xsd=xsd2', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl0'.
> Retrieving schema at 'http://scd9600:6000/WSTest?xsd=xsd0', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl0'.
> Retrieving schema at 'http://scd9600:6000/WSTest?xsd=xsd1', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl0'.
> Retrieving document at 'http://scd9600:6000/WSTest?wsdl=wsdl1', relative to
> 'http://scd9600:6000/WSTest?wsdl'.
> Retrieving document at 'http://scd9600:6000/WSTest?wsdl=wsdl0', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl1'.
> Retrieving schema at 'http://scd9600:6000/WSTest?xsd=xsd2', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl0'.
> Retrieving schema at 'http://scd9600:6000/WSTest?xsd=xsd0', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl0'.
> Retrieving schema at 'http://scd9600:6000/WSTest?xsd=xsd1', relative to
> 'http://scd9600:6000/WSTest?wsdl=wsdl0'.
> May 31, 2007 3:23:27 PM org.apache.axis2.wsdl.codegen.writer.ClassWriter
> createOutFile
> INFO: The
> 1.2\src\com\metafile\eippadminws\WSTest_MyMethod2_CustomExceptionFault_FaultMessageException.java
> file cannot
> be overwritten.
> ----- End of output -----
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