相关疑难解决方法(0)

我最近继承了Jenkins驱动的Java项目,其中主要开发人员刚刚升级并退出.他已将Jenkins WAR部署到虚拟服务器上的Tomcat实例,这就是被认为是"构建服务器"的东西.

此构建服务器配置了一个从属服务器,用于构建和部署到myserver.example.com另一个虚拟服务器.在周末,系统工作人员退出myserver.example.com虚拟所在的物理服务器,为配置为部署到该从属服务器的任何Jenkins作业产生以下异常:

当我点击" 查看日志以获取更多详细信息 "链接时,我看到以下控制台输出:

[03/18/13 08:13:31] [SSH] Opening SSH connection to myserver.example.com:22.
java.io.IOException: There was a problem while connecting to myserver.example.com:22
    at com.trilead.ssh2.Connection.connect(Connection.java:755)
    at com.trilead.ssh2.Connection.connect(Connection.java:546)
    at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:650)
    at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:283)
    at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:200)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:662)
Caused by: java.net.NoRouteToHostException: No route to host
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    at java.net.Socket.connect(Socket.java:529)
    at com.trilead.ssh2.transport.TransportManager.establishConnection(TransportManager.java:342)
    at com.trilead.ssh2.transport.TransportManager.initialize(TransportManager.java:450)
    at com.trilead.ssh2.Connection.connect(Connection.java:699)
... 9 more
[03/18/13 08:13:34] [SSH] Connection …