azure - Windows Azure 上的 Jenkins 从属连接问题

Question

我已在 Windows Azure VM 上设置了 Jenkins 从属节点。在该节点上构建时，项目可以平稳运行大约 20-30 分钟，之后连接就会断开。当连接断开时，我一直在节点虚拟机上，并且似乎正在丢失/重置与 Jenkins Master(也是 Azure 虚拟机)的连接。有没有人遇到过类似的问题并且能够解决它？堆栈跟踪如下。任何帮助将不胜感激。

Progress: |=====================FATAL: hudson.remoting.RequestAbortedException: java.io.IOException: Failed to abort hudson.remoting.RequestAbortedException: hudson.remoting.RequestAbortedException: java.io.IOException: Failed to abort at hudson.remoting.RequestAbortedException.wrapForRethrow(RequestAbortedException.java:41) at hudson.remoting.RequestAbortedException.wrapForRethrow(RequestAbortedException.java:34) at hudson.remoting.Request.call(Request.java:174) at hudson.remoting.Channel.call(Channel.java:739) at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:168) at com.sun.proxy.$Proxy49.join(Unknown Source) at hudson.Launcher$RemoteLauncher$ProcImpl.join(Launcher.java:951) at hudson.tasks.CommandInterpreter.join(CommandInterpreter.java:137) at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:97) at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:66) at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20) at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:745) at hudson.model.Build$BuildExecution.build(Build.java:198) at hudson.model.Build$BuildExecution.doRun(Build.java:159) at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:518) at hudson.model.Run.execute(Run.java:1709) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:231)

Caused by: hudson.remoting.RequestAbortedException: java.io.IOException: Failed to abort at hudson.remoting.Request.abort(Request.java:299) at hudson.remoting.Channel.terminate(Channel.java:802) at hudson.remoting.Channel$2.terminate(Channel.java:483) at hudson.remoting.AbstractByteArrayCommandTransport$1.terminate(AbstractByteArrayCommandTransport.java:72) at org.jenkinsci.remoting.nio.NioChannelHub$NioTransport.abort(NioChannelHub.java:184) at org.jenkinsci.remoting.nio.NioChannelHub.run(NioChannelHub.java:563) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)

Caused by: java.io.IOException: Failed to abort ... 9 more

Caused by: java.io.IOException: An existing connection was forcibly closed by the remote host at sun.nio.ch.SocketDispatcher.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(Unknown Source) at sun.nio.ch.IOUtil.readIntoNativeBuffer(Unknown Source) at sun.nio.ch.IOUtil.read(Unknown Source) at sun.nio.ch.SocketChannelImpl.read(Unknown Source) at org.jenkinsci.remoting.nio.FifoBuffer$Pointer.receive(FifoBuffer.java:136) at org.jenkinsci.remoting.nio.FifoBuffer.receive(FifoBuffer.java:306) at org.jenkinsci.remoting.nio.NioChannelHub.run(NioChannelHub.java:496) ... 7 more

Answer 1

我还在 Azure 中设置 Jenkins CI 并遇到了同样的问题。具体来说，我会在 Jenkins 从属错误日志中看到此错误:

SEVERE: I/O error in channel channel
java.net.SocketException: Connection reset

要解决此问题，您需要增加从站 ping 主站的频率。您可以通过将 Dhudson.slaves.ChannelPinger.pingInterval 系统属性添加到主 jenkins.xml 文件中来完成此操作。

我将其修改为每 2 分钟 ping 一次，并且该 channel 能够保持连接而不会断开连接。 XML 看起来像这样:

<arguments>
  -Xrs -Xmx256m -Dhudson.slaves.ChannelPinger.pingInterval=2 
  -Dhudson.lifecycle=hudson.lifecycle.WindowsServiceLifecycle 
  -jar "%BASE%\jenkins.war" 
  --httpPort=8080
</arguments>

更多信息您可以查看the related ticket .