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From "Davanum Srinivas (JIRA)" <axis-...@ws.apache.org>
Subject [jira] Commented: (AXIS-2132) WSDL document object generated by AxisServer can not be read successfully using WSDL4J API
Date Wed, 27 Jul 2005 19:44:25 GMT
    [ http://issues.apache.org/jira/browse/AXIS-2132?page=comments#action_12316956 ] 

Davanum Srinivas commented on AXIS-2132:
----------------------------------------

Xiaofei,

see http://wiki.apache.org/ws/SubmitPatches

thanks,
dims

> WSDL document object generated by AxisServer can not be read successfully using WSDL4J
API
> ------------------------------------------------------------------------------------------
>
>          Key: AXIS-2132
>          URL: http://issues.apache.org/jira/browse/AXIS-2132
>      Project: Apache Axis
>         Type: Bug
>   Components: WSDL processing
>     Versions: 1.2 Beta, 1.2RC1, 1.2RC2, 1.2RC3, 1.2
>  Environment: Testing on windows 2000, tomcat 5.0.28 and 5.5.4, apache axis beta 2 and
1.2 GA
>     Reporter: xiao-fei song
>     Priority: Critical
>  Attachments: QSWSDLHandler.java, UojDocumentService.xml
>
> Our product relies on the feature that AxisServer can return WSDL document which we can
process. Basically we do like below:
>             AxisServer engine.generateWSDL(msgContext);
>             Document wsdlDoc = (Document) msgContext.getProperty("WSDL");
> And, the wsdlDoc is the org.w3c.dom.Document type which is what we want.  And we have
a simple class which processes the wsdl document like below:
> public class WSDLUtils {
>     private static WSDLReader _wsdlReader = null;
>     public WSDLUtils()
>         throws WSDLException {
>         if (_wsdlReader == null) {
>             WSDLFactory factory = WSDLFactory.newInstance();
>             _wsdlReader = factory.newWSDLReader();
>         }
>     }
>     public WSDLReader getWSDLReader() {
>         return _wsdlReader;
>     }
>     public Definition getWSDLDefinition(Document wsdlDoc)
>         throws WSDLException {
>         WSDLReader reader = getWSDLReader();
>         return reader.readWSDL(null, wsdlDoc);
>     }
> }
> And everytime we run this, we get the exception like this:
> July21 11:42:45 2005: [Thread-18] java.lang.IllegalArgumentException: local part cannot
be "null" when creating a QName
> July21 11:42:45 2005: [Thread-18] 	at javax.xml.namespace.QName.<init>(QName.java:123)
> July21 11:42:45 2005: [Thread-18] 	at javax.xml.namespace.QName.<init>(QName.java:89)
> July21 11:42:45 2005: [Thread-18] 	at com.ibm.wsdl.util.xml.QNameUtils.newQName(Unknown
Source)
> July21 11:42:45 2005: [Thread-18] 	at com.ibm.wsdl.xml.WSDLReaderImpl.parseTypes(Unknown
Source)
> July21 11:42:45 2005: [Thread-18] 	at com.ibm.wsdl.xml.WSDLReaderImpl.parseDefinitions(Unknown
Source)
> July21 11:42:45 2005: [Thread-18] 	at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown
Source)
> July21 11:42:45 2005: [Thread-18] 	at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown
Source)
> July21 11:42:45 2005: [Thread-18] 	at com.ibm.wsdl.xml.WSDLReaderImpl.readWSDL(Unknown
Source)
> July21 11:42:45 2005: [Thread-18] 	at org.apache.axis.transport.http.QSWSDLHandler.invoke(QSWSDLHandler.java:83)
> July21 11:42:45 2005: [Thread-18] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
> July21 11:42:45 2005: [Thread-18] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> July21 11:42:45 2005: [Thread-18] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> July21 11:42:45 2005: [Thread-18] 	at java.lang.reflect.Method.invoke(Method.java:324)
> July21 11:42:45 2005: [Thread-18] 	at org.apache.axis.transport.http.AxisServlet.processQuery(AxisServlet.java:1310)
> July21 11:42:45 2005: [Thread-18] 	at org.apache.axis.transport.http.AxisServlet.doGet(AxisServlet.java:261)
> July21 11:42:45 2005: [Thread-18] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> July21 11:42:45 2005: [Thread-18] 	at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:373)
> July21 11:42:45 2005: [Thread-18] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> So I decided to test on axis itself and after modified org.apache.axis.transport.http.QSWSDLHandler#invoke()
method add lines like below (line 74)
>             try {
>                 //beginning of test
>                 WSDLFactory wsdlFactory = WSDLFactory.newInstance();
>                 WSDLReader wsdlReader = wsdlFactory.newWSDLReader();
>                 wsdlReader.setFeature("javax.wsdl.verbose", true);
>                 Definition definition = wsdlReader.readWSDL(null, wsdlDoc);
>                 System.out.println("definition = " + definition);
>                 //end of test
>             } catch (Exception e) {
>                 e.printStackTrace();
>             }
> And compile axis and test http://localhost:8080/axis/services/AdminService?wsdl to invoke
the method above, and I saw exactly the same exception in the console, which means that the
wsdl document object returned by AxisServer.generateWSDL() can not be processed by WSDL4J
API.
> Couple of others:
> 1. the tests failed in 1.2 beta2 and 1.2GA, so it should not be a problem of WSDL4J
> 2. http://localhost:8080/axis/services/Version?wsdl works okay in beta and GA
> 3. I wrote test case like below:
>     public static Definition testA() {
>         Definition definition = null;
>         try {
>             String filename = "d:/dl/UojDocumentService.xml";
>             DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
>             /*note*/ dbf.setNamespaceAware(true);
>             DocumentBuilder db = dbf.newDocumentBuilder();
>             FileInputStream fis = new FileInputStream(new File(filename));
>             InputSource inp = new InputSource(fis);
>             
>             Document doc = db.parse(inp);
>             System.out.println("doc = " + doc);
>             
>             WSDLFactory wsdlFactory = WSDLFactory.newInstance();
>             WSDLReader wsdlReader = wsdlFactory.newWSDLReader();
>             definition = wsdlReader.readWSDL(null, doc);
>             System.out.println("definition = " + definition);
>             
>         } catch (Exception e) {
>             e.printStackTrace();
>         }
>         return definition;
>     }
> After saving the wsdl as the xml file on disk, the code above runs okay. But if I didn't
run /*note*/ dbf.setNamespaceAware(true); I get similar exception as above.
> 3. running WSDL4J process the wsdl online runs okay so the problem has to be in the docuemnt
object rather than the xml document.

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