for http://server/hudson/job/mobile-build-HEAD/659/api/xml

javax.servlet.ServletException:
org.kohsuke.stapler.export.NotExportableException: class
hudson.plugins.cigame.model.ScoreCard doesn't have @ExportedBean
org.kohsuke.stapler.Stapler.invoke(Stapler.java:425)
org.kohsuke.stapler.MetaClass$8.doDispatch(MetaClass.java:231)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:369)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:248)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:352)
org.kohsuke.stapler.Stapler.service(Stapler.java:112)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:52)
hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:28)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:42)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:44)
hudson.security.HudsonFilter.doFilter(HudsonFilter.java:85)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

root cause

org.kohsuke.stapler.export.NotExportableException: class
hudson.plugins.cigame.model.ScoreCard doesn't have @ExportedBean
org.kohsuke.stapler.export.Model.<init>(Model.java:44)
org.kohsuke.stapler.export.ModelBuilder.get(ModelBuilder.java:25)
org.kohsuke.stapler.export.Property.writeValue(Property.java:164)
org.kohsuke.stapler.export.Property.writeValue(Property.java:97)
org.kohsuke.stapler.export.Property.writeTo(Property.java:81)
org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:142)
org.kohsuke.stapler.export.Property.writeValue(Property.java:171)
org.kohsuke.stapler.export.Property.writeValue(Property.java:134)
org.kohsuke.stapler.export.Property.writeValue(Property.java:97)
org.kohsuke.stapler.export.Property.writeTo(Property.java:81)
org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:142)
org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:139)
org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:139)
org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:139)
org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:139)
org.kohsuke.stapler.export.Model.writeTo(Model.java:133)
org.kohsuke.stapler.ResponseImpl.serveExposedBean(ResponseImpl.java:102)
hudson.model.Api.doXml(Api.java:61)
sun.reflect.GeneratedMethodAccessor204.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:103)
org.kohsuke.stapler.Function.bindAndinvoke(Function.java:57)
org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:69)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
org.kohsuke.stapler.MetaClass$8.doDispatch(MetaClass.java:231)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:369)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:248)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:416)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:352)
org.kohsuke.stapler.Stapler.service(Stapler.java:112)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:52)
hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:28)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:42)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:44)
hudson.security.HudsonFilter.doFilter(HudsonFilter.java:85)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)