message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: java.lang.NullPointerException
	org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:603)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
	org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:233)
	org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:477)
	org.kohsuke.stapler.Stapler.service(Stapler.java:159)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
	hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:66)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
	hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
	hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
	hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
	hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
root cause

java.lang.NullPointerException
	hudson.model.AbstractItem.getRootDir(AbstractItem.java:118)
	hudson.model.Items.getConfigFile(Items.java:129)
	hudson.model.AbstractItem.getConfigFile(AbstractItem.java:373)
	hudson.model.AbstractItem.save(AbstractItem.java:368)
	hudson.model.Job.save(Job.java:155)
	hudson.diagnosis.OldDataMonitor.doDiscard(OldDataMonitor.java:274)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	java.lang.reflect.Method.invoke(Method.java:597)
	org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:282)
	org.kohsuke.stapler.Function.bindAndInvoke(Function.java:149)
	org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:88)
	org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:103)
	org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
	org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:233)
	org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:477)
	org.kohsuke.stapler.Stapler.service(Stapler.java:159)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
	hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:66)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
	hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
	hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
	hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
	hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.29 logs.

Apache Tomcat/6.0.29