Hi,

I've been battering my head against this for a while now.

Can anyone tell me the common reasons for getting a null pointer exception
while running the WSDL2Java ant task?

I'm happy to find the problem myself, I just need some hints from people who
have been there before.

The ant output follows.

Cheers,
Craig

stubs:
     [echo] Generating Java stubs from WSDL...
[axis-wsdl2java] - Unable to find required classes
(javax.activation.DataHandler and javax.mail.internet.MimeMultipart).
Attachment support is disabled.
[axis-wsdl2java] WSDL2Java
C:\workspace\wsdais\wsdair\ogsadai-wsi-2.2\build\schema/wsdair/service_sqlac
cess.wsdl
[axis-wsdl2java]
{http://www.ggf.org/namespaces/2005/12/WS-DAI}DataResourceAbstractNameType
already exists
.
.
.
 [axis-wsdl2java]
{http://www.ggf.org/namespaces/2005/12/WS-DAI}CoreDataAccessPT already
exists
[axis-wsdl2java]
{http://www.ggf.org/namespaces/2005/12/WS-DAI}CoreResourceListPT already
exists
[axis-wsdl2java] Running Wsdl2javaAntTask with parameters:
[axis-wsdl2java]        verbose:false
[axis-wsdl2java]        debug:false
[axis-wsdl2java]        quiet:false
[axis-wsdl2java]        server-side:true
[axis-wsdl2java]        skeletonDeploy:false
[axis-wsdl2java]        helperGen:false
[axis-wsdl2java]        factory:null
[axis-wsdl2java]        nsIncludes:[]
[axis-wsdl2java]        nsExcludes:[]
[axis-wsdl2java]        factoryProps:[]
[axis-wsdl2java]        testCase:false
[axis-wsdl2java]        noImports:false
[axis-wsdl2java]        NStoPkg:{}
[axis-wsdl2java]
output:C:\workspace\wsdais\wsdair\ogsadai-wsi-2.2\src\java\wsdair\stubs
[axis-wsdl2java]        protocolHandlerPkgs:
[axis-wsdl2java]        deployScope:
[axis-wsdl2java]
URL:C:\workspace\wsdais\wsdair\ogsadai-wsi-2.2\build\schema/wsdair/service_s
qlaccess.wsdl
[axis-wsdl2java]        all:false
[axis-wsdl2java]        typeMappingVersion:1.2
[axis-wsdl2java]        timeout:45000
[axis-wsdl2java]        failOnNetworkErrors:false
[axis-wsdl2java]        printStackTraceOnFailure:true
[axis-wsdl2java]
namespaceMappingFile:C:\workspace\wsdais\wsdair\ogsadai-wsi-2.2\wsdair-NStoP
kg.properties
[axis-wsdl2java]        username:null
[axis-wsdl2java]        :passwordnull
[axis-wsdl2java]        :noWrappedfalse
[axis-wsdl2java]        :allowInvalidURLfalse
[axis-wsdl2java]        :implementationClassNamenull
[axis-wsdl2java]        :classpathnull
[axis-wsdl2java]        http.proxyHost=null
[axis-wsdl2java]        http.proxyPort=null
[axis-wsdl2java]        http.proxyUser=null
[axis-wsdl2java]        http.proxyPassword=null
[axis-wsdl2java]        socks.proxyHost=null
[axis-wsdl2java]        socks.proxyPort=null
[axis-wsdl2java] java.lang.NullPointerException
[axis-wsdl2java]        at
org.apache.axis.wsdl.toJava.JavaInterfaceWriter.writeOperation(JavaInterface
Writer.java:126)
[axis-wsdl2java]        at
org.apache.axis.wsdl.toJava.JavaInterfaceWriter.writeFileBody(JavaInterfaceW
riter.java:108)
[axis-wsdl2java]        at
org.apache.axis.wsdl.toJava.JavaWriter.generate(JavaWriter.java:130)
[axis-wsdl2java]        at
org.apache.axis.wsdl.toJava.JavaInterfaceWriter.generate(JavaInterfaceWriter
.java:73)
[axis-wsdl2java]        at
org.apache.axis.wsdl.toJava.JavaBindingWriter.generate(JavaBindingWriter.jav
a:144)
[axis-wsdl2java]        at
org.apache.axis.wsdl.toJava.JavaGeneratorFactory$Writers.generate(JavaGenera
torFactory.java:421)
[axis-wsdl2java]        at
org.apache.axis.wsdl.gen.Parser.generate(Parser.java:476)
[axis-wsdl2java]        at
org.apache.axis.wsdl.gen.Parser.access$000(Parser.java:45)
[axis-wsdl2java]        at
org.apache.axis.wsdl.gen.Parser$WSDLRunnable.run(Parser.java:362)
[axis-wsdl2java]        at java.lang.Thread.run(Thread.java:595)



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