Hi,
Attached is a simple project that exercises exception mapping and
error pages.
Perhaps you can modify to reproduce your case?
Paul.
On Apr 14, 2010, at 4:18 PM, Paul Sandoz wrote:
> Hi Daniel,
>
> What version of Jersey are you using?
>
> Note that JSP error pages will only work if no response has been
> written.
>
> Would it be possible to send me a test web app exercising all the
> cases you describe? that way there will be no ambiguity in what you
> describe. And it will help me work out what we could do in terms of
> passing information to the error page.
>
>
> There is one case that may be causing some confusion. When an
> instance of WebApplicationException is thrown and
>
> - that exception is not mapped
> - the status code is 500
> - there is no entity present
>
> then Jersey will modify the response to contain the stack trace as
> the response entity.
>
> if (!mapped) {
> // Log the stack trace
> if (r.getStatus() >= 500 || request.isTracingEnabled()) {
> traceException(e, r);
> }
>
> if (r.getStatus() >= 500 && r.getEntity() == null) {
> // Write out the exception to a string
> StringWriter sw = new StringWriter();
> PrintWriter pw = new PrintWriter(sw);
> e.printStackTrace(pw);
> pw.flush();
>
> r =
> Response.status(r.getStatus()).entity(sw.toString()).
> type(MediaType.TEXT_PLAIN).build();
> }
> } else if (request.isTracingEnabled()) {
> traceException(e, r);
> }
>
> I think Jersey is in error here when it modifies the response.
>
> Often it is not recommended to present an error page with a stack
> trace for a public service as it can be a security risk. But this is
> something useful for development purposes. Including the stack trace
> as a response header could an option (although i dunno if this will
> result in length limits being reached for headers).
>
> Paul.
>
>
> On Apr 14, 2010, at 3:38 PM, Daniel Manzke wrote:
>
>> Hi,
>>
>> I developed a Service with the help of JAX-RS and I'm fighting a
>> little bit with the Exception handling. I searched through the Mail-
>> List and saw that there was some similiar problem and it was fixed.
>> Maybe I'm just doing something wrong. ;)
>>
>>
>> I saw that when I'm using the WebApplicationException and just
>> passing a Status, I'll get the error page with the right code, but
>> it's not possible to write something in the message field.
>> So I created a Exception which inherits from
>> WebApplicationException and wraps up my thrown Exceptions. The
>> Stacktrace will be displayed, but not the Error-Page.
>>
>> So I did the next try with the ExceptionMapper. This will end in an
>> Error-Page with 500 and the "root causes" message, but the passed
>> StatusCode is ignored.
>>
>>
>>
>> What I want to do?
>> - throw a Exception with a Status Code
>> - display the Error-Page with the right Status Code and the
>> Stacktrace
>>
>>
>> Any idea?
>>
>>
>> Thanks,
>> Daniel :)
>
>
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