axis-java2wsdl is throwing java.lang.NoSuchMethodError

[Kiran Kumar <kk...@objectwave.com>]

Hello, I am using axis-1_3. When I am trying to use ant task "axis-java2wsdl", I am getting the following error. 

[axis-java2wsdl] java.lang.NoSuchMethodError: org.apache.axis.encoding.DefaultTypeMappingImpl.getSingleton()Lorg/apache/axis/encoding/TypeMapping;
[axis-java2wsdl] 	at org.apache.axis.tools.ant.wsdl.Java2WsdlAntTask.execute(Java2WsdlAntTask.java:221)
[axis-java2wsdl] 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
[axis-java2wsdl] 	at org.apache.tools.ant.Task.perform(Task.java:364)
[axis-java2wsdl] 	at org.apache.tools.ant.Target.execute(Target.java:341)
[axis-java2wsdl] 	at org.apache.tools.ant.Target.performTasks(Target.java:369)
[axis-java2wsdl] 	at org.apache.tools.ant.Project.executeTarget(Project.java:1214)
[axis-java2wsdl] 	at org.apache.tools.ant.Project.executeTargets(Project.java:1062)
[axis-java2wsdl] 	at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:377)
[axis-java2wsdl] 	at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:135)

Initially it was not able to identify 'javax.activation.DataSource' class, so I have added activation.jar (from Sun) and then it threw the above exception.

Any clue? I guess somewhere there is a conflict between the versions of the jar files..

Thanks,Kiran

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