When I access one of my job configuration, in the "Post-build Actions" section
under "Test report XMLs" I get:

"Status Code: 500
Exception:
Stacktrace:

java.lang.NullPointerException
at
hudson.util.FormFieldValidator$WorkspaceFileMask.check(FormFieldValidator.java:193)
at hudson.util.FormFieldValidator.process(FormFieldValidator.java:40)
at
hudson.tasks.junit.JUnitResultArchiver$DescriptorImpl.doCheck(JUnitResultArchiver.java:127)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:103)
at org.kohsuke.stapler.Function.bindAndinvoke(Function.java:59)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:63)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
at org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:240)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:244)
at org.kohsuke.stapler.Stapler.service(Stapler.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
at winstone.ServletConfiguration.execute(ServletConfiguration.java:249)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:335)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378)
at hudson.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:79)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
at java.lang.Thread.run(Thread.java:595)

Generated by Winstone Servlet Engine v0.9.9 at Thu Aug 30 09:31:32 CEST 2007
Fileset 'includes' setting that specifies the generated raw XML report files,
such as 'myproject/target/test-reports/*.xml'. Basedir of the fileset is the
workspace root."