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java.lang.NullPointerException at weblogic.ant.taskdefs.webservices.clientgen.ClientGenTask.execute(ClientGenTask.java:219) at org.apache.tools.ant.Task.perform(Task.java:341) at org.apache.tools.ant.Target.execute(Target.java:309) at org.apache.tools.ant.Target.performTasks(Target.java:336) at org.apache.tools.ant.Project.executeTarget(Project.java:1339) at org.apache.tools.ant.Project.executeTargets(Project.java:1255) at org.apache.tools.ant.Main.runBuild(Main.java:609) at org.apache.tools.ant.Main.start(Main.java:196) at org.apache.tools.ant.Main.main(Main.java:235)Caused by: java.lang.NullPointerException at weblogic.webservice.tools.stubgen.Stub.generate(Stub.java:176) at weblogic.webservice.tools.stubgen.StubGen.visit(StubGen.java:78) at weblogic.webservice.tools.stubgen.ServiceGen.generateStub(ServiceGen.java:250) at weblogic.webservice.tools.stubgen.ServiceGen.visit(ServiceGen.java:160) at weblogic.webservice.tools.build.internal.ClientGenImpl.runStubGen(ClientGenImpl.java:610) at weblogic.webservice.tools.build.internal.ClientGenImpl.generateStub(ClientGenImpl.java:570) at weblogic.webservice.tools.build.internal.ClientGenImpl.doClientGenFromWsdl(ClientGenImpl.java:409) at weblogic.webservice.tools.build.internal.ClientGenImpl.run(ClientGenImpl.java:340) at weblogic.ant.taskdefs.webservices.clientgen.ClientGenTask.doClientGen(ClientGenTask.java:351) at weblogic.ant.taskdefs.webservices.clientgen.ClientGenTask.execute(ClientGenTask.java:208) ... 8 more