我在主机上（Windows）上的Jenkins与Ubuntu机器上的节点（Ubuntu 12.04）连接。他们已经在一起运行了好几个月，但是几周前我开始遇到特定Rails项目的问题，哪些测试应该在Ubuntu机器上运行。它开始需要一些rb-readline gem，尽管它已经安装好了。
所以我决定将/var/lib/jenkins/.rvm目录移动到其他位置以强制重新安装RVM。然后我从Jenkins中删除了RVM插件并再次添加。毕竟我做了它重新安装RVM，但现在它无法在RVM环境中执行任何任务。如果我取消选中“在RVM管理的环境中运行构建”选项，则可以完成任务而不会出现错误（如果我删除了特定的构建步骤），但是使用此选项设置它甚至无法运行简单的echo test命令。
我将移动的.rvm目录返回到/ var / lib / jenkins /，但这无助于将所有内容都恢复。
以下是错误消息（您可能会询问/var/lib/jenkins/workspace/my-project目录 - 是的，它是EXISTS）：
Started by user Name Name
Building remotely on Web tests in workspace /var/lib/jenkins/workspace/my-project
Checkout:my-project / /var/lib/jenkins/workspace/my-project - hudson.remoting.Channel@299bf5:Web tests
Using strategy: Default
Last Built Revision: Revision c595dcs8fthse8tw985t80wt5bst6volw8ebtt9g (origin/master)
Checkout:my-project / /var/lib/jenkins/workspace/my-project - hudson.remoting.LocalChannel@48283482
Fetching changes from 1 remote Git repository
Fetching upstream changes from https://TheUser:ThePassword@github.com/MyFirm/my-project.git
Commencing build of Revision c595dcs8fthse8tw985t80wt5bst6volw8ebtt9g (origin/master)
Checking out Revision c595dcs8fthse8tw985t80wt5bst6volw8ebtt9g (origin/master)
Capturing environment variables produced by 'rvm use 1.9.3'
$ bash -c export
$ bash -c "test ! -f ~/.rvm/scripts/rvm"
[my-project] $ bash -c "source ~/.rvm/scripts/rvm && rvm_install_on_use_flag=1 && rvm use --create 1.9.3 && export > rvm.env"
FATAL: Native Exception: 'class java.io.IOException'; Message: Cannot run program "bash" (in directory "\var\lib\jenkins\workspace\my-project"): java.io.IOException: error=2, No such file or directory; StackTrace: java.io.IOException: Cannot run program "bash" (in directory "\var\lib\jenkins\workspace\my-project"): java.io.IOException: error=2, No such file or directory
at java.lang.ProcessBuilder.start(ProcessBuilder.java:475)
at hudson.Proc$LocalProc.<init>(Proc.java:244)
at hudson.Proc$LocalProc.<init>(Proc.java:216)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:707)
at hudson.Launcher$ProcStarter.start(Launcher.java:338)
Caused by: java.io.IOException: java.io.IOException: error=2, No such file or directory
at java.lang.UNIXProcess.<init>(UNIXProcess.java:164)
at java.lang.ProcessImpl.start(ProcessImpl.java:81)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:468)
at hudson.Proc$LocalProc.<init>(Proc.java:244)
at hudson.Proc$LocalProc.<init>(Proc.java:216)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:707)
at hudson.Launcher$ProcStarter.start(Launcher.java:338)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:932)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:899)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:287)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
org.jruby.exceptions.RaiseException: Native Exception: 'class java.io.IOException'; Message: Cannot run program "bash" (in directory "\var\lib\jenkins\workspace\my-project"): java.io.IOException: error=2, No such file or directory; StackTrace: java.io.IOException: Cannot run program "bash" (in directory "\var\lib\jenkins\workspace\my-project"): java.io.IOException: error=2, No such file or directory
at java.lang.ProcessBuilder.start(ProcessBuilder.java:475)
at hudson.Proc$LocalProc.<init>(Proc.java:244)
at hudson.Proc$LocalProc.<init>(Proc.java:216)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:707)
at hudson.Launcher$ProcStarter.start(Launcher.java:338)
Caused by: java.io.IOException: java.io.IOException: error=2, No such file or directory
at java.lang.UNIXProcess.<init>(UNIXProcess.java:164)
at java.lang.ProcessImpl.start(ProcessImpl.java:81)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:468)
at hudson.Proc$LocalProc.<init>(Proc.java:244)
at hudson.Proc$LocalProc.<init>(Proc.java:216)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:707)
at hudson.Launcher$ProcStarter.start(Launcher.java:338)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:932)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:899)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:287)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:475)
at hudson.Proc$LocalProc.<init>(Proc.java:244)
at hudson.Proc$LocalProc.<init>(Proc.java:216)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:707)
at hudson.Launcher$ProcStarter.start(Launcher.java:338)
Caused by: java.io.IOException: Cannot run program "bash" (in directory "\var\lib\jenkins\workspace\my-project"): java.io.IOException: error=2, No such file or directory
... 5 more
Caused by: java.io.IOException: java.io.IOException: error=2, No such file or directory
at java.lang.UNIXProcess.<init>(UNIXProcess.java:164)
at java.lang.ProcessImpl.start(ProcessImpl.java:81)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:468)
at hudson.Proc$LocalProc.<init>(Proc.java:244)
at hudson.Proc$LocalProc.<init>(Proc.java:216)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:707)
at hudson.Launcher$ProcStarter.start(Launcher.java:338)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:932)
at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:899)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:287)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
在这个Ubuntu机器上直接安装了另一个Jenkins实例，如果我运行这个项目的构建，它会给我一个输出，因为损坏的Jenkins实例之前给出了一个输出：Please 'gem install rb-readline' or recompile ruby --with-readline但不抱怨Java。所以，在Ubuntu网站上，一切似乎都没有被破坏。