Konstantin Grammatikati added a comment - 2021-01-11 07:26 - edited Same problem here (after update to 1.5.3): Dec 30, 2020 12:49:23 PM WARNING io.jenkins.plugins.gitlabbranchsource.GitLabWebHookAction isValidToken Error while validating token: null Dec 30, 2020 12:49:23 PM WARNING hudson.init.impl.InstallUncaughtExceptionHandler handleException Caught unhandled exception with ID 7e758815-1e42-4de5-ad7d-d1d7dca1225e java.lang.Exception: Expecting a valid secret token at org.kohsuke.stapler.HttpResponses.error(HttpResponses.java:91) at io.jenkins.plugins.gitlabbranchsource.GitLabSystemHookAction.doPost(GitLabSystemHookAction.java:75) at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627) at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:396) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:408) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:145) at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:536) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:766) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898) at org.kohsuke.stapler.MetaClass$9.dispatch(MetaClass.java:457) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:766) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:694) at org.kohsuke.stapler.Stapler.service(Stapler.java:240) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:763) at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1633) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154) at jenkins.telemetry.impl.UserLanguages$AcceptLanguageFilter.doFilter(UserLanguages.java:129) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151) at jenkins.security.ResourceDomainFilter.doFilter(ResourceDomainFilter.java:76) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151) at hudson.plugins.locale.LocaleFilter.doFilter(LocaleFilter.java:42) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:157) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609) at io.jenkins.plugins.gitlabbranchsource.GitLabSystemHookAction.process(GitLabSystemHookAction.java:49) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:127) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609) 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:119) 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:135) 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$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:90) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:51) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609) at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609) at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:36) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:561) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:578) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) at org.eclipse.jetty.server.Server.handle(Server.java:516) at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383) at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:135) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905) at java.lang. Thread .run( Thread .java:748) Moreover - not our webhooks not working due to 401 return code from Jenkins: Hook executed successfully but returned HTTP 401 <!DOCTYPE html><html class= ""><head resURL=" / static /f52db8db " data-rooturl=" " data-resurl=" / static /f52db8db " data-extensions-available=" true " data-unit-test=" false " data-imagesurl=" / static /f52db8db/images " data-crumb-header=" Jenkins-Crumb " data-crumb-value=" f29ef53118bb44cbe643d9afd701c257a96cde0a531dd23f232c429a1db78ebc "> <title>Jenkins [Jenkins]</title><link rel=" stylesheet " href=" / static /f52db8db/jsbundles/base-styles-v2.css " type=" text/css "><link rel=" stylesheet " href=" / static /f52db8db/css/color.css " type=" text/css "><link rel=" stylesheet " href=" / static /f52db8db/css/responsive-grid.css " type=" text/css "><link rel=" shortcut icon " href=" / static /f52db8db/favicon.ico " type=" image/vnd.microsoft.icon "><link color=" black " rel=" mask-icon " href=" /images/mask-icon.svg "><script src=" / static /f52db8db/scripts/prototype.js " type=" text/javascript "></script><script src=" / static /f52db8db/scripts/behavior.js " type=" text/javascript "></script><script src= '/adjuncts/f52db8db/org/kohsuke/stapler/bind.js' type= 'text/javascript' ></script><script src=" / static /f52db8db/scripts/yui/yahoo/yahoo-min.js "></script><script src=" / static /f52db8db/scripts/yui/dom/dom-min.js "></script><script src=" / static /f52db8db/scripts/yui/event/event-min.js "></script><script src=" / static /f52db8db/scripts/yui/animation/animation-min.js "></script><script src=" / static /f52db8db/scripts/yui/dragdrop/dragdrop-min.js "></script><script src=" / static /f52db8db/scripts/yui/container/container-min.js "></script><script src=" / static /f52db8db/scripts/yui/connection/connection-min.js "></script><script src=" / static /f52db8db/scripts/yui/datasource/datasource-min.js "></script><script src=" / static /f52db8db/scripts/yui/autocomplete/autocomplete-min.js "></script><script src=" / static /f52db8db/scripts/yui/menu/menu-min.js "></script><script src=" / static /f52db8db/scripts/yui/element/element-min.js "></script><script src=" / static /f52db8db/scripts/yui/button/button-min.js "></script><script src=" / static /f52db8db/scripts/yui/storage/storage-min.js "></script><script src=" / static /f52db8db/scripts/polyfills.js " type=" text/javascript "></script><script src=" / static /f52db8db/scripts/hudson-behavior.js " type=" text/javascript "></script><script src=" / static /f52db8db/scripts/sortable.js " type=" text/javascript "></script><link rel=" stylesheet " href=" / static /f52db8db/scripts/yui/container/assets/container.css " type=" text/css "><link rel=" stylesheet " href=" / static /f52db8db/scripts/yui/container/assets/skins/sam/container.css " type=" text/css "><link rel=" stylesheet " href=" / static /f52db8db/scripts/yui/menu/assets/skins/sam/menu.css " type=" text/css "><link rel=" stylesheet " href=" / static /f52db8db/jsbundles/ui-refresh-overrides.css " type=" text/css "><meta name=" ROBOTS " content=" INDEX,NOFOLLOW "><meta name=" viewport " content=" width=device-width, initial-scale=1 "><script src=" /adjuncts/f52db8db/org/kohsuke/stapler/jquery/jquery.full.js " type=" text/javascript "></script><script> var Q=jQuery.noConflict()</script><script src=" / static /f52db8db/jsbundles/vendors.js " type=" text/javascript "></script><script src=" / static /f52db8db/jsbundles/page-init.js " type=" text/javascript "></script></head><body data-model-type=" hudson.model.Hudson " id=" jenkins " class=" yui-skin-sam one-column jenkins-2.263.1 " data-version=" 2.263.1 "><a href=" #skip2content " class=" skiplink ">Skip to content</a><div id=" page-head "><header id=" header " class=" page-header "><div class=" page-header__brand "><div class=" logo "><a id=" jenkins-home-link " href=" / "><img src=" / static /f52db8db/images/jenkins-header-logo-v2.svg " alt=" [Jenkins] " id=" jenkins-head-icon "><img src=" / static /f52db8db/images/title.png " alt=" Jenkins " width=" 139 " id=" jenkins-name-icon " height=" 34 "></a></div><a href=" / " class=" page-header__brand-link "><img src=" / static /f52db8db/images/jenkins-header-logo-v2.svg " alt=" [Jenkins] " class=" page-header__brand-image "><span class=" page-header__brand-name ">Jenkins</span></a></div><div class=" searchbox hidden-xs "><form role=" search " method=" get " name=" search " action=" /search/ " style=" position:relative; 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Paul "TBBle" Hampson added a comment - 2021-01-28 13:47 Also reported as GitHub #106 .