My guess is that the error is caused by the fact that you use the same
input message for both operations. Axis (and WS-I Basic Profile)
requires that each operation have a unique message signature (which is
the QName of the child element of the <soap:Body>). Both or your
operations use the same signature: "myNamespace"}myMethod.
The error might also be caused by the fact that "myNamespace" is not a
valid URI. A namespace must be a valid URI.
To fix your problem:
1. Change the target namespace to a valid URI (e.g., "urn:myNamespace")
2. Define unique input elements for your two operations
Meanwhile, WSDL2Java should not generate an NPE, so please also file a JIRA.
Anne
On 8/23/06, CHAPELLIERE Olivier ORANGE-FT
<[EMAIL PROTECTED]> wrote:
Hi everybody,
I have a NullPointerException while generating client code for a WSDL.
I tried axis2 version 1.0 and nightly build of august 22th 2006 and I always
have the exception.
My command line is:
WSDL2Java.sh -uri bug.wsdl -o gen
My wsdl file is the following:
1 <?xml version="1.0" encoding="UTF-8"?>
2 <wsdl:definitions xmlns="mynamespace"
3 xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/";
4 xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/";
5 xmlns:xsd="http://www.w3.org/2001/XMLSchema";
6 targetNamespace="mynamespace">
7
8 <wsdl:types>
9 <xsd:schema elementFormDefault="qualified"
10 targetNamespace="mynamespace"
11 xmlns:mynamespace="mynamespace"
12 xmlns:xsd="http://www.w3.org/2001/XMLSchema";>
13
14 <xsd:element name="myStatus"><xsd:complexType><xsd:sequence>
15 <xsd:element maxOccurs="1" minOccurs="1" name="errorcode"
type="xsd:int"/>
16 </xsd:sequence></xsd:complexType></xsd:element>
17
18 <xsd:element name="myMethod"><xsd:complexType><xsd:sequence>
19 <xsd:element maxOccurs="1" minOccurs="1" name="myArg"
type="xsd:string"/>
20 </xsd:sequence></xsd:complexType></xsd:element>
21
22 <xsd:element
name="myMethod1Response"><xsd:complexType><xsd:sequence>
23 <xsd:element maxOccurs="1" minOccurs="1"
ref="mynamespace:myStatus"/>
24 </xsd:sequence></xsd:complexType></xsd:element>
25
26 <xsd:element
name="myMethod2Response"><xsd:complexType><xsd:sequence>
27 <xsd:element maxOccurs="1" minOccurs="1"
ref="mynamespace:myStatus"/>
28 </xsd:sequence></xsd:complexType></xsd:element>
29
30 </xsd:schema>
31 </wsdl:types>
32
33 <wsdl:message name="myMethodRequest">
34 <wsdl:part name="input" element="myMethod"/>
35 </wsdl:message>
36 <wsdl:message name="myMethod1Result">
37 <wsdl:part name="output" element="myMethod1Response"/>
38 </wsdl:message>
39 <wsdl:message name="myMethod2Result">
40 <wsdl:part name="output" element="myMethod2Response"/>
41 </wsdl:message>
42
43 <wsdl:portType name="myWebServices">
44 <wsdl:operation name="myMethod1" parameterOrder="input">
45 <wsdl:input name="myMethodRequest"
message="myMethodRequest"/>
46 <wsdl:output name="myMethod1Result"
message="myMethod1Result"/>
47 </wsdl:operation>
48 <wsdl:operation name="myMethod2" parameterOrder="input">
49 <wsdl:input name="myMethodRequest"
message="myMethodRequest"/>
50 <wsdl:output name="myMethod2Result"
message="myMethod2Result"/>
51 </wsdl:operation>
52 </wsdl:portType>
53
54 <wsdl:binding name="myWebServicesSoapBinding" type="myWebServices">
55 <wsdlsoap:binding style="document"
transport="http://schemas.xmlsoap.org/soap/http"/>
56 <wsdl:operation name="myMethod1">
57 <wsdlsoap:operation soapAction="myMethod1"/>
58 <wsdl:input><wsdlsoap:body use="literal"/></wsdl:input>
59 <wsdl:output><wsdlsoap:body use="literal"/></wsdl:output>
60 </wsdl:operation>
61 <wsdl:operation name="myMethod2">
62 <wsdlsoap:operation soapAction="myMethod2"/>
63 <wsdl:input><wsdlsoap:body use="literal"/></wsdl:input>
64 <wsdl:output><wsdlsoap:body use="literal"/></wsdl:output>
65 </wsdl:operation>
66 </wsdl:binding>
67
68 <wsdl:service name="myWebServices">
69 <wsdl:port name="myWebServices"
binding="myWebServicesSoapBinding">
70 <wsdlsoap:address
location="http://localhost:8080/axis2/services/myWebServices"/>
71 </wsdl:port>
72 </wsdl:service>
73 </wsdl:definitions>
And I get the following exception stack trace:
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:224)
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:177)
... 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:324)
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.writer.JavaBeanWriter.write(JavaBeanWriter.java:218)
at
org.apache.axis2.schema.SchemaCompiler.writeComplexType(SchemaCompiler.java:838)
at
org.apache.axis2.schema.SchemaCompiler.processElement(SchemaCompiler.java:563)
at
org.apache.axis2.schema.SchemaCompiler.processElement(SchemaCompiler.java:436)
at
org.apache.axis2.schema.SchemaCompiler.process(SchemaCompiler.java:1373)
at
org.apache.axis2.schema.SchemaCompiler.processParticle(SchemaCompiler.java:1336)
at
org.apache.axis2.schema.SchemaCompiler.processComplexType(SchemaCompiler.java:859)
at
org.apache.axis2.schema.SchemaCompiler.processAnonymousComplexSchemaType(SchemaCompiler.java:792)
at
org.apache.axis2.schema.SchemaCompiler.processSchema(SchemaCompiler.java:775)
at
org.apache.axis2.schema.SchemaCompiler.processElement(SchemaCompiler.java:475)
at
org.apache.axis2.schema.SchemaCompiler.processElement(SchemaCompiler.java:446)
at
org.apache.axis2.schema.SchemaCompiler.compile(SchemaCompiler.java:308)
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.writer.JavaBeanWriter.process(JavaBeanWriter.java:353)
at
org.apache.axis2.schema.writer.JavaBeanWriter.write(JavaBeanWriter.java:213)
... 21 more
I noticed that if I comment either line 23 or line 27 it works
I look into the archive and don't find anything
Is this a know problem? Do I miss something?
Thanks for your help
Olivier
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