users@jaxb.java.net

Re: Reused UnmarshallingContext omits errors when errorsCounter is exceeded

From: Dean Tidwell <deantaia_at_gmail.com>
Date: Fri, 27 Nov 2015 15:15:25 -0500

Sebastian,
hi, I am new to JAXB but I will clone your project and look at it through
my Java eyes.
- dean
Michigan

On Fri, Nov 27, 2015 at 2:59 AM, Sebastian Bathke <
sebastian.bathke_at_gmail.com> wrote:

>
> Hi,
>
> we just stumbled over this as an adjacent system upgraded its schema
> containing new elements.
> At first we got the expected "javax.xml.bind.UnmarshalException:
> unexpected element" errors but suddenly they vanished and everythin worked
> as if the schema violation wouldn't be present, but it still was.
>
> Debugging this case lead to the UnmarshallingContext#shouldErrorBeReported
> method and the errorCounter. I wonder whether this is a feature or a bug,
> why would jaxb ever stop to report errors for new messages only because
> previous ones already had errors? We are using cxf jaxws clients that
> reuses the UnmarshallingContext instance.
>
> I prepared a simple project to demonstrate the issue:
> https://github.com/megglos/cxfIncomaptibleServerSample . Please see the SpringClient
> class it sends requests to a server that responds with a different element
> than expected, after the 10th requests it stops throwing errors because of
> the errorCounter feature and the catch isn't reached anymore.
>
> Jaxb 2.2.11
>
> Would greatly appreciate any clarification to this, is it a bug or a
> feature if the latter what's the reason? Or should cxf just simply not
> reuse the unmarshallingConext for multiple request/response transactions?
>
> Thanks
>
> Sebastian
>
>