FATAL: java.io.IOException: Remote call on <Machine Name> failed
hudson.remoting.RemotingSystemException: java.io.IOException: Remote call on <Machine Name> failed
at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:184)
at com.sun.proxy.$Proxy55.revParse(Unknown Source)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl.revParse(RemoteGitImpl.java:398)
at hudson.plugins.git.util.DefaultBuildChooser.getHeadRevision(DefaultBuildChooser.java:123)
at hudson.plugins.git.util.DefaultBuildChooser.getCandidateRevisions(DefaultBuildChooser.java:83)
at hudson.plugins.git.GitSCM.determineRevisionToBuild(GitSCM.java:794)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:881)
at org.jenkinsci.plugins.multiplescms.MultiSCM.checkout(MultiSCM.java:118)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1252)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:604)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:513)
at hudson.model.Run.execute(Run.java:1710)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:231)
Caused by: java.io.IOException: Remote call on <Machine Name> failed
at hudson.remoting.Channel.call(Channel.java:748)
at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:168)
... 15 more
Caused by: java.lang.ClassFormatError: Failed to load javax.servlet.http.HttpServletRequest
at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:324)
at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:236)
at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.sanitize(CliGitAPIImpl.java:529)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.revParse(CliGitAPIImpl.java:489)
at hudson.plugins.git.GitAPI.revParse(GitAPI.java:257)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:622)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:300)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:281)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:240)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:328)
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:1146)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:701)
Caused by: java.lang.UnsupportedClassVersionError: javax/servlet/http/HttpServletRequest : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
at java.lang.ClassLoader.defineClass(ClassLoader.java:489)
at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:322)