Hudson 500

HTTP Status 500 -

type Exception report

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:607)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:650)
	org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:225)
	org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:45)
	org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:565)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:650)
	org.kohsuke.stapler.Stapler.invoke(Stapler.java:481)
	org.kohsuke.stapler.Stapler.service(Stapler.java:152)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:86)
	org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:162)
	org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:134)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:89)
	org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:162)
	org.hudsonci.servlets.internal.ServletRegistrationFilterAdapter.doFilter(ServletRegistrationFilterAdapter.java:134)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:89)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179)
	net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:86)
	org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:84)
	hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:89)
	hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:78)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:81)
	hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:45)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101)
	org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	org.springframework.security.providers.anonymous.AnonymousProcessingFilter.doFilterHttp(AnonymousProcessingFilter.java:105)
	org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	org.springframework.security.ui.rememberme.RememberMeProcessingFilter.doFilterHttp(RememberMeProcessingFilter.java:116)
	org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:278)
	org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	org.springframework.security.ui.basicauth.BasicProcessingFilter.doFilterHttp(BasicProcessingFilter.java:174)
	org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235)
	org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
	hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:73)
	hudson.security.HudsonFilter.doFilter(HudsonFilter.java:157)
	hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:70)

root cause

java.lang.NullPointerException