Ben,
Im sorry. What I meant was it seems that writing a fault using
Hessian2Output could not be read by Hessian2Input. Instead of throwing the
fault that was written, it throws an IOExceptionWrapper:
java.lang.UnsupportedOperationException . Here's one of my code to test
that. Again, if my way of testing is incorrect, please let me know and
recommend a better way of testing if possible. I got this implementation
from reading the source code of the HessianSkeleton class of the Java
Hessian 3.1.1 release.
START CODE
// Write hessian response with a NullPointerException as fault
1 ByteArrayOutputStream outStream = new ByteArrayOutputStream();
2 Hessian2Output outHessian = new Hessian2Output(outStream);
3 outHessian.startReply();
4 Exception e = new NullPointerException("id");
5 outHessian.writeFault("ServiceException", e.getMessage(), e);
6 outHessian.completeReply();
// Read hessian response from the stream created above
7 ByteArrayInputStream inStream =
8 new ByteArrayInputStream(outStream.toByteArray ());
9 Hessian2Input inHessian = new Hessian2Input(inStream);
10 inHessian.startReply(); // Excpetion is thown at this line
11 inHessian.completeCall();
END CODE
I interchange Hessian2Output and HessianOutput in line 2 and Hessian2Input
and HessianInput in line 11 to compare the results of using different
Hessian specifications. I assume that HessianOutput and HessianInput follows
the Hessian 1 Specifications and Hessian2Output and Hessian2Input follows
the Hessian 2 Specifications. The results are as follow:
- Using HessianOutput and HessianInput: throws
java.lang.NullPointerException: id
- Using HessianOutput and Hessian2Input: throws
java.lang.NullPointerException: id
- Using Hessian2Output and HessianInput: throws
com.caucho.hessian.io.HessianProtocolException: unknown code:
- Using Hessian2Output and Hessian2Input : throws
com.caucho.hessian.io.IOExceptionWrapper:
java.lang.UnsupportedOperationException:
[EMAIL PROTECTED]
And yes the service uses the Hessian 2 Specification. I used the
HessianServlet class of the Java Hessian 3.1.1 release.
- ian
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