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Posted to java-dev@axis.apache.org by "Davanum Srinivas (JIRA)" <ji...@apache.org> on 2006/08/11 13:25:14 UTC
[jira] Reopened: (AXIS2-987) NullPointerException when using
reference on XmlSchemaElement from imported schema
[ http://issues.apache.org/jira/browse/AXIS2-987?page=all ]
Davanum Srinivas reopened AXIS2-987:
------------------------------------
> NullPointerException when using reference on XmlSchemaElement from imported schema
> ----------------------------------------------------------------------------------
>
> Key: AXIS2-987
> URL: http://issues.apache.org/jira/browse/AXIS2-987
> Project: Apache Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: wsdl
> Reporter: Fabian Christ
> Attachments: sample-wsdl.zip, SchemaCompiler.patch.txt
>
>
> You have the following situation:
> A WSDL file uses X.xsd for types and X.xsd imports Y.xsd. Now an element of X.xsd references an element of the imported Y.xsd.
> At this point the SchemaCompiler crashes with a NullPointerException when trying to handle the referenced element.
> Exception in thread "main" org.apache.axis2.wsdl.codegen.CodeGenerationException: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
> at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.generate(CodeGenerationEngine.java:235)
> at org.apache.axis2.wsdl.WSDL2Code.main(WSDL2Code.java:32)
> at org.apache.axis2.wsdl.WSDL2Java.main(WSDL2Java.java:21)
> Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
> at org.apache.axis2.wsdl.codegen.extension.SimpleDBExtension.engage(SimpleDBExtension.java:52)
> at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.generate(CodeGenerationEngine.java:188)
> ... 2 more
> Caused by: java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.apache.axis2.wsdl.codegen.extension.SimpleDBExtension.engage(SimpleDBExtension.java:49)
> ... 3 more
> Caused by: org.apache.axis2.schema.SchemaCompilationException: java.lang.NullPointerException
> at org.apache.axis2.schema.SchemaCompiler.compile(SchemaCompiler.java:230)
> at org.apache.axis2.schema.ExtensionUtility.invoke(ExtensionUtility.java:77)
> ... 8 more
> Caused by: java.lang.NullPointerException
> at org.apache.axis2.schema.SchemaCompiler.process(SchemaCompiler.java:1218)
> at org.apache.axis2.schema.SchemaCompiler.processParticle(SchemaCompiler.java:1128)
> at org.apache.axis2.schema.SchemaCompiler.processComplexType(SchemaCompiler.java:798)
> at org.apache.axis2.schema.SchemaCompiler.processNamedComplexSchemaType(SchemaCompiler.java:769)
> at org.apache.axis2.schema.SchemaCompiler.processSchema(SchemaCompiler.java:725)
> at org.apache.axis2.schema.SchemaCompiler.processElement(SchemaCompiler.java:466)
> at org.apache.axis2.schema.SchemaCompiler.processElement(SchemaCompiler.java:437)
> at org.apache.axis2.schema.SchemaCompiler.compile(SchemaCompiler.java:299)
> at org.apache.axis2.schema.SchemaCompiler.compile(SchemaCompiler.java:281)
> at org.apache.axis2.schema.SchemaCompiler.compile(SchemaCompiler.java:221)
> ... 9 more
> This happens because in org.apache.axis2.schema.SchemaCompiler.process(XmlSchemaObjectCollection, BeanWriterMetaInfoHolder, boolean, XmlSchema) the referenced element is handled by
> }else{ //probably this is referenced
> referencedQName = elt.getRefName();
> boolean arrayStatus = ((Boolean) processedElementArrayStatusMap.get(elt)).booleanValue();
> clazzName = findRefClassName(referencedQName,arrayStatus);
> metainfHolder.registerMapping(referencedQName,
> parentSchema.getElementByName(referencedQName).getSchemaTypeName()
> , clazzName,
> arrayStatus ?
> SchemaConstants.ARRAY_TYPE :
> SchemaConstants.ELEMENT_TYPE);
> }
> but at this point the function parentSchema.getElementByName(referencedQName) returns null. The referenced element is not found in the parentSchema.elements. So the conclusion is that elements from imported schemas are not correct imported in the parentSchema object.
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