jenkinsci / docker-swarm-plugin

Jenkins plugin which allows to add a Docker Swarm as a cloud agent provider
https://plugins.jenkins.io/docker-swarm/
MIT License
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Swarm plugin on Jenkins Docker Image v2.279+ errors with: SSLSocketFactory not supported on JDK 9+ #107

Closed wgillaspy closed 3 years ago

wgillaspy commented 3 years ago

Since Jenkins updated it's docker image in 2.279, we've been unable to use the swarm plugin with a secured docker api. Downgrading to jenkins/jenkins:2.278 corrects the problem.

Pluging Version: docker-swarm                       Docker Swarm Plugin                                              1.9

I've also put in Jenkins issue JENKINS-64877, but the problem hasn't been assigned. Any help y'all can provide would be greatly appreciated.

Stack trace when testing the connection information and trying to start a build. All of our addresses have the https protocol but the logs are changing the protocol to http:

Error while serving http://####/test/descriptorByName/org.jenkinsci.plugins.docker.swarm.DockerSwarmCloud/validateTestDockerApiConnection
java.lang.UnsupportedOperationException: clientBuilder.sslSocketFactory(SSLSocketFactory) not supported on JDK 9+
    at okhttp3.internal.platform.Jdk9Platform.trustManager(Jdk9Platform.java:81)
    at okhttp3.internal.platform.Platform.buildCertificateChainCleaner(Platform.java:176)
    at okhttp3.OkHttpClient$Builder.sslSocketFactory(OkHttpClient.java:673)
    at org.jenkinsci.plugins.docker.swarm.docker.api.request.ApiRequest.(ApiRequest.java:69)
    at org.jenkinsci.plugins.docker.swarm.docker.api.ping.PingRequest.(PingRequest.java:10)
    at org.jenkinsci.plugins.docker.swarm.DockerSwarmCloud$DescriptorImpl.doValidateTestDockerApiConnection(DockerSwarmCloud.java:135)
    at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
    at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:396)
Caused: java.lang.reflect.InvocationTargetException
    at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:400)
    at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:408)
    at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:77)
    at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26)
    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$4.doDispatch(MetaClass.java:281)
    at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
    at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:766)
    at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898)
    at org.kohsuke.stapler.Stapler.invoke(Stapler.java:694)
    at org.kohsuke.stapler.Stapler.service(Stapler.java:240)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
    at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
    at com.splunk.splunkjenkins.WebPostAccessLogger.doFilter(WebPostAccessLogger.java:39)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at org.jenkinsci.plugins.ssegateway.Endpoint$SSEListenChannelFilter.doFilter(Endpoint.java:248)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at jenkins.security.ResourceDomainFilter.doFilter(ResourceDomainFilter.java:76)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at jenkins.telemetry.impl.UserLanguages$AcceptLanguageFilter.doFilter(UserLanguages.java:129)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at io.jenkins.blueocean.auth.jwt.impl.JwtAuthenticationFilter.doFilter(JwtAuthenticationFilter.java:60)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at com.cloudbees.jenkins.support.slowrequest.SlowRequestFilter.doFilter(SlowRequestFilter.java:37)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at io.jenkins.blueocean.ResourceCacheControl.doFilter(ResourceCacheControl.java:134)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125)
    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:1601)
    at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:153)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:92)
    at jenkins.security.AcegiSecurityExceptionFilter.doFilter(AcegiSecurityExceptionFilter.java:52)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:105)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:101)
    at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:92)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:218)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:212)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:110)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
    at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:62)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:109)
    at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:168)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    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$Chain.doFilter(ServletHandler.java:1601)
    at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    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$Chain.doFilter(ServletHandler.java:1601)
    at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:36)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
    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:1624)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
    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:1594)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
    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$1(HttpChannel.java:388)
    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
    at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
    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)

And similarly, when a swarm agent tries to start:

Caught unhandled exception with ID 865a2159-1f0e-4769-ba6e-8f1b6fbf80cb
java.lang.UnsupportedOperationException: clientBuilder.sslSocketFactory(SSLSocketFactory) not supported on JDK 9+
    at okhttp3.internal.platform.Jdk9Platform.trustManager(Jdk9Platform.java:81)
    at okhttp3.internal.platform.Platform.buildCertificateChainCleaner(Platform.java:176)
    at okhttp3.OkHttpClient$Builder.sslSocketFactory(OkHttpClient.java:673)
    at org.jenkinsci.plugins.docker.swarm.docker.api.request.ApiRequest.(ApiRequest.java:69)
    at org.jenkinsci.plugins.docker.swarm.docker.api.ping.PingRequest.(PingRequest.java:10)
    at org.jenkinsci.plugins.docker.swarm.DockerSwarmCloud$DescriptorImpl.doValidateTestDockerApiConnection(DockerSwarmCloud.java:135)
    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.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:77)
    at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26)
    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)
Caused: javax.servlet.ServletException
    at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:816)
    at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898)
    at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:281)
    at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
    at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:766)
    at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898)
    at org.kohsuke.stapler.Stapler.invoke(Stapler.java:694)
    at org.kohsuke.stapler.Stapler.service(Stapler.java:240)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791)
    at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
    at com.splunk.splunkjenkins.WebPostAccessLogger.doFilter(WebPostAccessLogger.java:39)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at org.jenkinsci.plugins.ssegateway.Endpoint$SSEListenChannelFilter.doFilter(Endpoint.java:248)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at jenkins.security.ResourceDomainFilter.doFilter(ResourceDomainFilter.java:76)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at jenkins.telemetry.impl.UserLanguages$AcceptLanguageFilter.doFilter(UserLanguages.java:129)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at io.jenkins.blueocean.auth.jwt.impl.JwtAuthenticationFilter.doFilter(JwtAuthenticationFilter.java:60)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at com.cloudbees.jenkins.support.slowrequest.SlowRequestFilter.doFilter(SlowRequestFilter.java:37)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at io.jenkins.blueocean.ResourceCacheControl.doFilter(ResourceCacheControl.java:134)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
    at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125)
    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:1601)
    at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:153)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:92)
    at jenkins.security.AcegiSecurityExceptionFilter.doFilter(AcegiSecurityExceptionFilter.java:52)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:105)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:101)
    at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:92)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:218)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:212)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:110)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
    at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:62)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:97)
    at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:109)
    at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:168)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    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$Chain.doFilter(ServletHandler.java:1601)
    at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    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$Chain.doFilter(ServletHandler.java:1601)
    at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:36)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
    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:1624)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
    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:1594)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
    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$1(HttpChannel.java:388)
    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
    at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
    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)
gutschet commented 3 years ago

Same issue here with jenkins 2.281. But the JDK in Jenkins is still 8:

docker@docker-hw3-p:~# docker exec -ti jenkins-ci-tools_jenkins-ci-tools.1.wirlnip0c877hq4wr0yulhi24 java -version
openjdk version "1.8.0_282"
OpenJDK Runtime Environment (AdoptOpenJDK)(build 1.8.0_282-b08)
OpenJDK 64-Bit Server VM (AdoptOpenJDK)(build 25.282-b08, mixed mode)
gutschet commented 3 years ago

This error occurs for me with jenkins 2.281 and swarm-plugin 1.9 Downgrading jenkins to a version below 2.278 solves the issue. Upgrading swarm-plugin to 1.10 leads to another issue: #108

Roemer commented 3 years ago

Does it work now for you as well with 1.11?

theweblab-gr commented 3 years ago

it works with 2.281 & 1.11

gutschet commented 3 years ago

Checked 2.281 with plugin 1.11 and works again. Thanks for the quick solution