Please log a bug - http://issues.apache.org/jira/
--- William Bug <[EMAIL PROTECTED]> wrote: > Hi All, > > I'm having trouble creating an appropriate WSDL file to create a > service that returns a large set of binary attachments. > > I've been trying to combine what I could pull from the documentation on > WSDL2Java with the info in the very useful article: > > Web services programming tips and tricks: SOAP attachments with JAX-RPC > http://www-106.ibm.com/developerworks/webservices/library/ws-tip- > soapjax.html > > So far, I've not been successful. > > I've got an original implementation in SAAJ that works, but the code is > much more complicated than it would be had I used JAX-RPC attachments > as described in the article listed above. > > I created a very simple Interface that I ran through Java2WSDL to > create my WSDL file. > > The Interface is as follows: > > <snippet> > import java.io.File; > import java.rmi.Remote; > import java.rmi.RemoteException; > > /** > * > * @author billbug > */ > public interface IRepositoryAccess extends Remote { > public File[] getImages(Boolean returnZip, String imageSet) > throws RemoteException; > } > </snippet> > > I assumed extrapolating from the article above that I could have a > return type of File[] to return a collection of attached files. > > The WSDL generated from this interface is all exactly as I'd expect it > to be - except in the wsdl:output element created within the > wsdl:operation element for my function call within the wsdl:binding > section of the WSDL. > Unfortunately, all I get is: > > <snippet> > <wsdl:output name="getImagesResponse"> > <wsdlsoap:body namespace="urn:RepositoryAccessService" use="encoded"/> > </wsdl:output> > </snippet> > > According to the article, it should look something like this: > > <snippet> > <wsdl:output name="getImagesResponse"> > <mime:multipartRelated> > <mime:part name="part1"> > <wsdlsoap:body > encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"; > namespace="urn:RepositoryAccessService" use="encoded"/> > </mime:part> > <mime:part name="part2"> > <mime:content part="output" > type="application/octetstream"/> > </mime:part> > </mime:multipartRelated> > </wsdl:output> > </snippet> > > with: > xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"; > included in the wsdl:definitions element at the top of the WSDL. > > Basically, it's a multipart MIME message, where the first part is the > body of the SOAP response message, the the additional part(s) are the > attached binary files. > > If I add in the mime:multipartRelated as given above into the > wsdl:output element, then try to run WSDL2Java, I get the following > error: > > java org.apache.axis.wsdl.WSDL2Java --output "gen" --deployScope > "Application" --server-side --skeletonDeploy --verbose > RepositoryAcess.wsdl > java.lang.NullPointerException > at > org.apache.axis.wsdl.symbolTable.SymbolTable.addMIMETypes(SymbolTable.ja > va:2084) > at > org.apache.axis.wsdl.symbolTable.SymbolTable.fillInBindingInfo(SymbolTab > le.java:1860) > at > org.apache.axis.wsdl.symbolTable.SymbolTable.populateBindings(SymbolTabl > e.java:1795) > at > org.apache.axis.wsdl.symbolTable.SymbolTable.populate(SymbolTable.java: > 577) > at > org.apache.axis.wsdl.symbolTable.SymbolTable.add(SymbolTable.java:421) > at > org.apache.axis.wsdl.symbolTable.SymbolTable.populate(SymbolTable.java: > 408) > at > org.apache.axis.wsdl.symbolTable.SymbolTable.populate(SymbolTable.java: > 393) > at > org.apache.axis.wsdl.gen.Parser$WSDLRunnable.run(Parser.java:245) > at java.lang.Thread.run(Thread.java:552) > > I peaked into the source for > org.apache.axis.wsdl.symbolTable.SymbolTable. At line 2084 where it's > hitting a NullPointerException, it is in the function addMIMETypes as > indicated above. Here's a snippet from that function: > > <snippet> > /** > * Add the parts that are really MIME types as MIME types. > * A side effect is to return the body Type of the given > * MIMEMultipartRelated object. > */ > private Use addMIMETypes(BindingEntry bEntry, MIMEMultipartRelated > mpr, > Operation op) throws IOException { > Use bodyType = Use.ENCODED; > List parts = mpr.getMIMEParts(); > Iterator i = parts.iterator(); > while (i.hasNext()) { > MIMEPart part = (MIMEPart) i.next(); > List elems = part.getExtensibilityElements(); > Iterator j = elems.iterator(); > while (j.hasNext()) { > Object obj = j.next(); > if (obj instanceof MIMEContent) { > MIMEContent content = (MIMEContent) obj; > TypeEntry typeEntry = findPart(op, > content.getPart()); > line:2084-->String dims = typeEntry.getDimensions(); > if(dims.length() <=0 && typeEntry.getRefType() != > null) { > Node node = typeEntry.getRefType().getNode(); > if(getInnerCollectionComponentQName(node)!=null) > dims += "[]"; > } > String type = content.getType(); > if(type == null || type.length() == 0) > type = "text/plain"; > bEntry.setMIMEInfo(op.getName(), content.getPart(), > type, dims); > </snippet> > > As best I figure from this code, the typeEntry object is null, probably > because content.getPart() returns null or an invalid value. > > I'm pretty certain I've got the wsdl:output MIME syntax in the WSDL > very close. The part I'm pretty certain is wrong is the line: > > <mime:content part="output" type="application/octetstream"/> > > I think the 'part="output" is the offending piece. The article I'm > using as my example describes how to create a WSDL for a function that > accepts an attachment as an input parameter, not one that returns an > attachment. I'm also trying to attach several files, not just a single > file. It seems I ought to have to specify I'm returning an array of > attachments somewhere in the mime:content element. > > I've been to the World-Wide Web consortium site to look over the WSDL > v1.2 specification. There's very little info contained in the section > on MIME multi-part messages: > http://www.w3.org/TR/2003/WD-wsdl12-bindings-20030611/#_mime > There's really nothing here that goes much beyond the original article > I site above. > > Can anyone suggest how to get this working? > > Many thanks ahead of time for any assistance you can offer. > > Cheers, > Bill Bug > > Bill Bug > Senior Analyst/Ontological Engineer > > Laboratory for Bioimaging & Anatomical Informatics > Department of Neurobiology & Anatomy > Drexel University College of Medicine > 2900 Queen Lane > Philadelphia, PA 19129 > 215 991 8430 (ph) > ===== Davanum Srinivas - http://webservices.apache.org/~dims/
