Lately when trying to configure the cobertura plugin the first time, I get the
following exception when I press 'Save' on the configuration page for the job:

Status Code: 500
Exception:
Stacktrace:

java.lang.IllegalArgumentException: Unable to convert to class
hudson.plugins.cobertura.targets.CoverageMetric
at org.kohsuke.stapler.RequestImpl.bindParameters(RequestImpl.java:262)
at org.kohsuke.stapler.RequestImpl.bindParametersToList(RequestImpl.java:212)
at
hudson.plugins.cobertura.CoberturaPublisher$DescriptorImpl.newInstance(CoberturaPublisher.java:373)
at
hudson.plugins.cobertura.CoberturaPublisher$DescriptorImpl.newInstance(CoberturaPublisher.java:310)
at hudson.model.Descriptor.newInstance(Descriptor.java:133)
at hudson.model.AbstractProject.buildDescribable(AbstractProject.java:914)
at hudson.model.Project.submit(Project.java:154)
at hudson.model.Job.doConfigSubmit(Job.java:756)
at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:294)
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:57)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:75)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:431)
at org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:254)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:431)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:359)
at org.kohsuke.stapler.Stapler.service(Stapler.java:119)
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.security.HudsonFilter.doFilter(HudsonFilter.java:88)
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)

Workaround: I am copying the xml pertinent to the Cobertura plugin from another
project that had already been configured into the new <job>/config.xml.

Versions:
Hudson v1.214 and the following plugins/versions:

jira — ver.1.12
findbugs — ver.2.6
accurev — ver.0.6.1
build-timeout — ver.1.3
ci-game — ver.1.2
cobertura — ver.0.8.4
violations — ver.0.6.0