Apr 11, 2017 10:05:01 AM Main deleteWinstoneTempContents WARNING: Failed to delete the temporary Winstone file C:\Users\jenkins\AppData\Local\Temp\winstone\jenkins.war Apr 11, 2017 10:05:01 AM org.eclipse.jetty.util.log.JavaUtilLog info INFO: Logging initialized @345ms Apr 11, 2017 10:05:01 AM winstone.Logger logInternal INFO: Beginning extraction from war file Apr 11, 2017 10:05:01 AM org.eclipse.jetty.util.log.JavaUtilLog warn WARNING: Empty contextPath Apr 11, 2017 10:05:01 AM org.eclipse.jetty.util.log.JavaUtilLog info INFO: jetty-9.2.z-SNAPSHOT Apr 11, 2017 10:05:02 AM org.eclipse.jetty.util.log.JavaUtilLog info INFO: NO JSP Support for /, did not find org.eclipse.jetty.jsp.JettyJspServlet Apr 11, 2017 10:05:02 AM org.eclipse.jetty.util.log.JavaUtilLog warn WARNING: Failed startup of context w.@68be28{/,file:/C:/Program%20Files%20(x86)/Jenkins/war/,STARTING}{C:\Program Files (x86)\Jenkins\war} java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.jetty.webapp.IterativeDescriptorProcessor.visit(IterativeDescriptorProcessor.java:85) at org.eclipse.jetty.webapp.IterativeDescriptorProcessor.process(IterativeDescriptorProcessor.java:72) at org.eclipse.jetty.webapp.MetaData.resolve(MetaData.java:408) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1340) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.server.Server.start(Server.java:387) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.Server.doStart(Server.java:354) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at winstone.Launcher.(Launcher.java:152) at winstone.Launcher.main(Launcher.java:352) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at Main._main(Main.java:264) at Main.main(Main.java:112) Caused by: java.lang.UnsupportedClassVersionError: jenkins/util/SystemProperties : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at org.eclipse.jetty.webapp.WebAppClassLoader.findClass(WebAppClassLoader.java:510) at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:441) at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:403) at org.eclipse.jetty.server.handler.ContextHandler.loadClass(ContextHandler.java:1583) at org.eclipse.jetty.webapp.StandardDescriptorProcessor.visitListener(StandardDescriptorProcessor.java:1956) ... 25 more Apr 11, 2017 10:05:02 AM org.eclipse.jetty.util.log.JavaUtilLog info INFO: Started ServerConnector@9282ca{SSL-HTTP/1.1}{0.0.0.0:8080} Apr 11, 2017 10:05:02 AM org.eclipse.jetty.util.log.JavaUtilLog info INFO: Started @1724ms Apr 11, 2017 10:05:02 AM winstone.Logger logInternal INFO: Winstone Servlet Engine v2.0 running: controlPort=disabled