OpenSAML user discussion

[Chad La Joie <>]

Well, that doesn't explain why it wasn't loaded before, it's jut a hack 
to get around the problem.  You should probably track down what the 
issue really so that it doesn't show up again and cause problems.

Chandra Tondepu wrote:
> Yes I did lookup by QName.  Infact I tried to load the SignatureBuilder
> explicitly.  However I could resolve this by explicitly registering the
> Builder rather than loading through the XML file.
>
> This particular piece of code has resolved the issue::
> Configuration.registerObjectProvider(Signature.DEFAULT_ELEMENT_NAME, new
> SignatureBuilder(), new SignatureMarshaller(), new SignatureUnmarshaller());
>
> Chad - Thank you for taking time to explain.
>
>
>
> On Thu, Jan 14, 2010 at 1:40 PM, Chad La Joie 
> <>
>  wrote:
>
> > You'll need to inspect the loaded builders.  There is no way to tell what
> > is happening from the code you have here.  In general though it's best to
> > look up the builders by their Schema type QName, not the element QName.  In
> > theory they should return the same result, but there could be a typo in a
> > config file that no one has caught yet.
> >
> >
> > Chandra Tondepu wrote:
> >
> > > The webapplication running on tomcat 6 is not able to load and create
> > > object
> > > for SignatureBuilder.  I have loaded all the .xml files through
> > > Configuration into the Parser, but for some reason it is not picking up
> > > SingatureBuilder though it is picking up SubjectBuilder, IssuerBuilder,
> > > EnvelopeBuilder etc.,??  Why SignatureBuilder so special??
> > >
> > >
> > > SignatureBuilder signaturebuilder =
> > >
> > > ((SignatureBuilder)builderFactory.getBuilder(Signature.DEFAULT_ELEMENT_NAME));
> > > System.out.println("Classname:" + builderFactory.getClass().getName());
> > > System.out.println("SignatureBuilder"+signaturebuilder);
> > > signature123 = (Signature)
> > >
> > > ((XMLObjectBuilder)builderFactory.getBuilder(Signature.DEFAULT_ELEMENT_NAME)).buildObject(Signature.DEFAULT_ELEMENT_NAME);
> > >
> > >
> > > java.lang.NullPointerException
> > > at
> > >
> > > com.cst.saml2.attrqry.SignAttributeQuery.<init>(SignAttributeQuery.java:122)
> > > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> > > at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
> > > at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
> > > Source)
> > > at java.lang.reflect.Constructor.newInstance(Unknown Source)
> > > at java.lang.Class.newInstance0(Unknown Source)
> > > at java.lang.Class.newInstance(Unknown Source)
> > > at
> > >
> > > org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1104)
> > > at
> > >
> > > org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
> > > at
> > >
> > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
> > > at
> > >
> > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> > > at
> > >
> > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> > > at
> > >
> > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> > > at
> > >
> > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> > > at
> > >
> > > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
> > > at
> > > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> > > at
> > >
> > > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
> > > at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
> > > at java.lang.Thread.run(Unknown Source)
> > --
> > SWITCH
> > Serving Swiss Universities
> > --------------------------
> > Chad La Joie, Software Engineer, Net Services
> > Werdstrasse 2, P.O. Box, 8021 Zürich, Switzerland
> > phone +41 44 268 15 75, fax +41 44 268 15 68
> > ,
> >  http://www.switch.ch

--
SWITCH
Serving Swiss Universities
--------------------------
Chad La Joie, Software Engineer, Net Services
Werdstrasse 2, P.O. Box, 8021 Zürich, Switzerland
phone +41 44 268 15 75, fax +41 44 268 15 68
,
 http://www.switch.ch