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From Dawid Loubser <daw...@solms.co.za>
Subject Help! String xs:attributes not supported? (java.lang.reflect.InvocationTargetException)
Date Thu, 04 Nov 2004 07:18:00 GMT
Hi, I have a serious problem with Axis 1.2 - in my schema (which I have no
control over), I basically have a type which represents a currency: It's a
complex type, with a xs:string attribute for Currency Symbol:

<complexType name="CurrencyT">
  <sequence>
   <element minOccurs="1" maxOccurs="1" name="Value"
type="i0:CurrencyValueT" />
  </sequence>
  <attribute form="qualified" use="required" name="CurrencySymbol"
type="i0:CurrencySymbolT" />
</complexType>

and

<simpleType name="CurrencySymbolT">
   <restriction base="string">
     <pattern value="(\S){1,3}" />
   </restriction>
</simpleType>

Everything is document/literal in the schema.

wsdl2java compilation runs perfectly (and infinitely better than Sun's
crap implementation) - and my service compiles and deploys fine. When,
however, I request the WSDL from <service_name>?wsdl I get the following
error: (the second part ['Caused by'] is the interesting bit):


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.axis.transport.http.AxisServlet.processQuery(AxisServlet.java:1116)
         at
org.apache.axis.transport.http.AxisServlet.doGet(AxisServlet.java:224)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:743) at
org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:301)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:284)
         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204)
         at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
         at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
         at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
         at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:245)
         at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:199)
         at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
         at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
         at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:195)
         at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
         at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)
         at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
         at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
         at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
         at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
         at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
         at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
         at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:211)
         at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:805)
         at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:696)
         at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
         at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
         at java.lang.Thread.run(Thread.java:534)

Caused by: Bean attribute CurrencySymbol is of type java.lang.String,
which is not a simple type
         at
org.apache.axis.encoding.ser.BeanSerializer.writeAttribute(BeanSerializer.java:460)
         at
org.apache.axis.encoding.ser.BeanSerializer.writeSchema(BeanSerializer.java:344)
         at
org.apache.axis.wsdl.fromJava.Types.makeTypeElement(Types.java:1774)
         at org.apache.axis.wsdl.fromJava.Types.writeType(Types.java:972) at
org.apache.axis.encoding.ser.BeanSerializer.writeField(BeanSerializer.java:422)
         at
org.apache.axis.encoding.ser.BeanSerializer.writeSchema(BeanSerializer.java:350)
         at
org.apache.axis.wsdl.fromJava.Types.makeTypeElement(Types.java:1774)
         at
org.apache.axis.wsdl.fromJava.Types.writeElementDecl(Types.java:1191)
         at
org.apache.axis.wsdl.fromJava.Emitter.writePartToMessage(Emitter.java:1915)
         at
org.apache.axis.wsdl.fromJava.Emitter.writeResponseMessage(Emitter.java:1726)
         at
org.apache.axis.wsdl.fromJava.Emitter.writeMessages(Emitter.java:1102)
         at
org.apache.axis.wsdl.fromJava.Emitter.writePortType(Emitter.java:1056)
         at org.apache.axis.wsdl.fromJava.Emitter.getWSDL(Emitter.java:471)
at org.apache.axis.wsdl.fromJava.Emitter.emit(Emitter.java:322) at
org.apache.axis.providers.BasicProvider.generateWSDL(BasicProvider.java:237)
         at
org.apache.axis.strategies.WSDLGenStrategy.visit(WSDLGenStrategy.java:33)
         at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) at
org.apache.axis.SimpleChain.generateWSDL(SimpleChain.java:104) at
org.apache.axis.handlers.soap.SOAPService.generateWSDL(SOAPService.java:316)
         at
org.apache.axis.server.AxisServer.generateWSDL(AxisServer.java:467)
         at
org.apache.axis.transport.http.QSWSDLHandler.invoke(QSWSDLHandler.java:68)
         ... 33 more

Why does it seem that Axis does not like the idea of String being a simple
type? (which a String attribute must surely be). It's not a matter of Java
primitive types or not - if I change that attribute to either xs:integer
(java.lang.Integer) or xs:int (Java: int) everything goes well, so it's
specifically the String that's causing issues.

I have switched our project over to Axis (from JAX-RPC SI) in an
emergency, and now I'm having these issues (placing it at risk) - if anybody can 
help me resolve them I shall be most grateful.

  - Dawid Loubser

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