我想通过SSH连接到Jenkins从站。
因此我安装了“ SSH Agent Plugin 1.15” 和“ SSH Slaves plugin 1.26” ，添加了SSH凭据（使用私钥），但是没有“启动Slave代理”通过SSH”显示在节点配置对话框的启动方法下拉菜单中。
我在做什么错了？
我使用的是Jenkins 2.129，我确信该条目在...之前的几个版本的下拉列表中可用。
我在日志中发现了一个例外：
WARNING: Failed to instantiate
Key[type=hudson.plugins.sshslaves.SSHLauncher$DescriptorImpl, annotation=[none]]; skipping this component
com.google.inject.ProvisionException: Unable to provision, see the following errors:
1) Error injecting constructor, java.lang.NoClassDefFoundError: hudson/tools/JDKInstaller$FileSystem
at hudson.plugins.sshslaves.SSHLauncher$DescriptorImpl.<init>(SSHLauncher.java:1617)
1 error
at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:52)
at com.google.inject.internal.SingletonScope$1.get(SingletonScope.java:145)
at hudson.ExtensionFinder$GuiceFinder$FaultTolerantScope$1.get(ExtensionFinder.java:432)
at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41)
at com.google.inject.internal.InjectorImpl$2$1.call(InjectorImpl.java:1016)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1092)
at com.google.inject.internal.InjectorImpl$2.get(InjectorImpl.java:1012)
at hudson.ExtensionFinder$GuiceFinder._find(ExtensionFinder.java:394)
at hudson.ExtensionFinder$GuiceFinder.find(ExtensionFinder.java:385)
at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:493)
at hudson.ExtensionList.load(ExtensionList.java:380)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:318)
at hudson.ExtensionList.getComponents(ExtensionList.java:183)
at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:192)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:318)
at hudson.ExtensionList.iterator(ExtensionList.java:172)
at org.jenkinsci.plugins.xunit.AliasInitializer.init(AliasInitializer.java:47)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:104)
at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:175)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296)
at jenkins.model.Jenkins$5.runTask(Jenkins.java:1068)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NoClassDefFoundError: hudson/tools/JDKInstaller$FileSystem
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
at java.lang.Class.getMethod0(Class.java:3018)
at java.lang.Class.getMethod(Class.java:1784)
at hudson.model.Descriptor.<init>(Descriptor.java:289)
at hudson.plugins.sshslaves.SSHLauncher$DescriptorImpl.<init>(SSHLauncher.java:1617)
at hudson.plugins.sshslaves.SSHLauncher$DescriptorImpl$$FastClassByGuice$$7821d6d6.newInstance(<generated>)
at com.google.inject.internal.cglib.reflect.$FastConstructor.newInstance(FastConstructor.java:40)
at com.google.inject.internal.DefaultConstructionProxyFactory$1.newInstance(DefaultConstructionProxyFactory.java:61)
at com.google.inject.internal.ConstructorInjector.provision(ConstructorInjector.java:105)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:85)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:267)
at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1103)
at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
... 29 more
Caused by: java.lang.ClassNotFoundException: hudson.tools.JDKInstaller$FileSystem
at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1374)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1327)
at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1080)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 45 more
答案 0 :(得分：0)