报错信息:

2022-07-20 07:44:44.026+0000 [id=84]    WARNING h.i.i.InstallUncaughtExceptionHandler#handleException
java.util.concurrent.TimeoutException: Idle timeout expired: 5000/5000 ms
    at org.eclipse.jetty.io.IdleTimeout.checkIdleTimeout(IdleTimeout.java:171)
    at org.eclipse.jetty.io.IdleTimeout.idleCheck(IdleTimeout.java:113)
    at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
Caused: java.io.IOException
    at org.eclipse.jetty.util.SharedBlockingCallback$Blocker.block(SharedBlockingCallback.java:257)
    at org.eclipse.jetty.server.HttpOutput.channelWrite(HttpOutput.java:270)
    at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:873)
    at org.springframework.security.web.util.OnCommittedResponseWrapper$SaveContextServletOutputStream.write(OnCommittedResponseWrapper.java:638)
    at org.kohsuke.stapler.Stapler.serveStaticResource(Stapler.java:628)
    at org.kohsuke.stapler.Stapler.serveStaticResource(Stapler.java:446)
    at org.kohsuke.stapler.Stapler.service(Stapler.java:230)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
    at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1631)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:157)
    at hudson.security.HudsonPrivateSecurityRealm$2.doFilter(HudsonPrivateSecurityRealm.java:1019)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
    at jenkins.install.SetupWizard$1.doFilter(SetupWizard.java:773)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
    at jenkins.security.ResourceDomainFilter.doFilter(ResourceDomainFilter.java:81)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
    at jenkins.telemetry.impl.UserLanguages$AcceptLanguageFilter.doFilter(UserLanguages.java:129)
    at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
    at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:160)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
    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:94)
    at jenkins.security.AcegiSecurityExceptionFilter.doFilter(AcegiSecurityExceptionFilter.java:52)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:54)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:122)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:116)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:109)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:136)
    at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:93)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:219)
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:213)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:97)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    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:63)
    at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
    at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
    at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:53)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
    at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$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$Chain.doFilter(ServletHandler.java:1601)
    at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
    at org.eclipse.jetty.servlet.ServletHandler$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:571)
    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:1440)
    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:1355)
    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$1(HttpChannel.java:487)
    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
    at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
    at java.base/java.lang.Thread.run(Thread.java:829)

解决:增加一个启动参数httpKeepAliveTimeout,然后页面点重试
k8s:

    spec:
      containers:
        - args:
            - '--httpKeepAliveTimeout=50000'
          command:
            - /usr/local/bin/jenkins.sh
          image: 'jenkins/jenkins:lts-jdk11'
          imagePullPolicy: IfNotPresent
          name: jenkins

docker:

docker run jenkins/jenkins:lts --httpKeepAliveTimeout=50000

use tsinghua mirror

https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json

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