oracle.jdeveloper.webservices.model.WebServiceException: Error creating model

 

Cause: 

 

Caused by: java.lang.NoSuchMethodError: org.apache.xerces.impl.xs.XMLSchemaLoader.loadGrammar([Lorg/apache/xerces/xni/parser/XMLInputSource;)V

at org.apache.xerces.jaxp.validation.XMLSchemaFactory.newSchema(Unknown Source)

at com.sun.tools.xjc.reader.internalizer.DOMForest.weakSchemaCorrectnessCheck(DOMForest.java:487)

at com.sun.tools.xjc.api.impl.s2j.SchemaCompilerImpl.bind(SchemaCompilerImpl.java:227)

at com.sun.tools.xjc.api.impl.s2j.SchemaCompilerImpl.bind(SchemaCompilerImpl.java:85)

at oracle.j2ee.ws.common.tools.databinding.jaxb20.JAXB20TypeGenerator.generateJavaTypes(JAXB20TypeGenerator.java:121)

at oracle.j2ee.ws.tools.wsa.SchemaTool.genValueTypes(SchemaTool.java:186)

at oracle.j2ee.ws.tools.wsa.jaxws.JaxwsWsdlToJavaTool.getJAXWSModel(JaxwsWsdlToJavaTool.java:662)

... 24 more

 

 

Solution:

 happens in JDev 11.1.1.6 if you try to create a web service proxy in a project that has the "ADF Model Generic Runtime" library added to it or if that library is in a project that your project is dependent on 

Remove Library "ADF Model Generic Runtime"