Status Code: 500
Exception:
Stacktrace:

java.lang.InstantiationError: hudson.model.Label
	at matrixtieparent.QueueDecisionHandlerMtp.shouldSchedule(QueueDecisionHandlerMtp.java:29)
	at hudson.model.Queue.schedule(Queue.java:414)
	at hudson.model.Queue.schedule(Queue.java:518)
	at hudson.model.AbstractProject.doBuild(AbstractProject.java:1422)
	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:597)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:259)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:126)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:65)
	at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:79)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:534)
	at org.kohsuke.stapler.MetaClass$7.doDispatch(MetaClass.java:219)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:534)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:450)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:132)
	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.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
	at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:51)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:416)
	at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:42)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
	at hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:64)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
	at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
	at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
	at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
	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:619)


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