WARNING: Error while serving [http://xxxx/blue/rest/organizations/jenkins/pipelines/on-build-config/runs/6/nodes/|http://10.62.59.175:8080/blue/rest/organizations/jenkins/pipelines/on-build-config/runs/6/nodes/]
 java.lang.reflect.InvocationTargetException
 at sun.reflect.GeneratedMethodAccessor604.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:335)
 at org.kohsuke.stapler.MetaClass$3.doDispatch(MetaClass.java:197)
 at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:362)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$3.doDispatch(MetaClass.java:197)
 at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:362)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$3.doDispatch(MetaClass.java:197)
 at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:362)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:362)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:362)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:686)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:362)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
 at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
 at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)
 at org.jenkinsci.plugins.ssegateway.Endpoint$SSEListenChannelFilter.doFilter(Endpoint.java:225)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
 at io.jenkins.blueocean.ResourceCacheControl.doFilter(ResourceCacheControl.java:134)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
 at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
 at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
 at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:126)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
 at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:86)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
 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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
 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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
 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:67)
 at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
 at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
 at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
 at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
 at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
 at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
 at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
 at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
 at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:553)
 at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
 at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
 at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
 at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
 at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
 at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
 at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
 at org.eclipse.jetty.server.Server.handle(Server.java:499)
 at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
 at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
 at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
 at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
 at java.lang.Thread.run(Thread.java:745)
 Caused by: java.lang.IllegalStateException: Hit a BlockStartNode with no record of the start!
 at org.jenkinsci.plugins.workflow.graphanalysis.ForkScanner.hitParallelStart(ForkScanner.java:554)
 at org.jenkinsci.plugins.workflow.graphanalysis.ForkScanner.next(ForkScanner.java:584)
 at org.jenkinsci.plugins.workflow.graphanalysis.AbstractFlowScanner.next(AbstractFlowScanner.java:212)
 at org.jenkinsci.plugins.workflow.graphanalysis.ForkScanner.next(ForkScanner.java:566)
 at org.jenkinsci.plugins.workflow.graphanalysis.ForkScanner.visitSimpleChunks(ForkScanner.java:764)
 at org.jenkinsci.plugins.workflow.graphanalysis.ForkScanner.visitSimpleChunks(ForkScanner.java:635)
 at io.jenkins.blueocean.rest.impl.pipeline.PipelineNodeGraphVisitor.<init>(PipelineNodeGraphVisitor.java:85)
 at io.jenkins.blueocean.rest.impl.pipeline.NodeGraphBuilder$NodeGraphBuilderFactory.getInstance(NodeGraphBuilder.java:39)
 at io.jenkins.blueocean.rest.impl.pipeline.PipelineNodeContainerImpl.<init>(PipelineNodeContainerImpl.java:32)
 at io.jenkins.blueocean.rest.impl.pipeline.PipelineRunImpl.getNodes(PipelineRunImpl.java:101)
 ... 97 more