net/sf/intelliplugin/tail/idea/TailPluginFactory : Unsupported major.minor version 51.0: net/sf/intelliplugin/tail/idea/TailPluginFactory : Unsupported major.minor version 51.0
java.lang.UnsupportedClassVersionError: net/sf/intelliplugin/tail/idea/TailPluginFactory : Unsupported major.minor version 51.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:465)
	at com.intellij.util.lang.UrlClassLoader._defineClass(UrlClassLoader.java:131)
	at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:127)
	at com.intellij.util.lang.UrlClassLoader._findClass(UrlClassLoader.java:103)
	at com.intellij.ide.plugins.cl.PluginClassLoader.d(PluginClassLoader.java:102)
	at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:63)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:247)
	at com.intellij.openapi.extensions.AbstractExtensionPointBean.findClass(AbstractExtensionPointBean.java:42)
	at com.intellij.openapi.wm.ToolWindowEP.getFactoryClass(ToolWindowEP.java:76)
	at com.intellij.openapi.wm.ToolWindowEP.getToolWindowFactory(ToolWindowEP.java:63)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.initToolWindow(ToolWindowManagerImpl.java:483)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.f(ToolWindowManagerImpl.java:462)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.access$1800(ToolWindowManagerImpl.java:85)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl$9.run(ToolWindowManagerImpl.java:439)
	at com.intellij.ide.startup.impl.StartupManagerImpl.a(StartupManagerImpl.java:203)
	at com.intellij.ide.startup.impl.StartupManagerImpl.runPostStartupActivities(StartupManagerImpl.java:163)
	at com.intellij.openapi.project.impl.ProjectManagerImpl$5$2.run(ProjectManagerImpl.java:434)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:646)
	at java.awt.EventQueue.access$000(EventQueue.java:84)
	at java.awt.EventQueue$1.run(EventQueue.java:607)
	at java.awt.EventQueue$1.run(EventQueue.java:605)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:616)
	at com.intellij.ide.IdeEventQueue.d(IdeEventQueue.java:673)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:498)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:333)
	at com.intellij.ide.IdeEventQueue.pumpEventsForHierarchy(IdeEventQueue.java:738)
	at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:198)
	at com.intellij.openapi.application.impl.ApplicationImpl.runProcessWithProgressSynchronously(ApplicationImpl.java:712)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.a(ProgressManagerImpl.java:306)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressSynchronously(ProgressManagerImpl.java:300)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressSynchronously(ProgressManagerImpl.java:260)
	at com.intellij.openapi.project.impl.ProjectManagerImpl.openProject(ProjectManagerImpl.java:414)
	at com.intellij.openapi.project.impl.ProjectManagerImpl.loadAndOpenProject(ProjectManagerImpl.java:475)
	at com.intellij.ide.impl.ProjectUtil.openProject(ProjectUtil.java:176)
	at com.intellij.ide.RecentProjectsManager.doOpenProject(RecentProjectsManager.java:46)
	at com.intellij.ide.RecentProjectsManagerBase$MyAppLifecycleListener.appStarting(RecentProjectsManagerBase.java:312)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.intellij.util.messages.impl.MessageBusConnectionImpl.deliverMessage(MessageBusConnectionImpl.java:109)
	at com.intellij.util.messages.impl.MessageBusImpl.doPumpMessages(MessageBusImpl.java:230)
	at com.intellij.util.messages.impl.MessageBusImpl.pumpMessages(MessageBusImpl.java:222)
	at com.intellij.util.messages.impl.MessageBusImpl.sendMessage(MessageBusImpl.java:212)
	at com.intellij.util.messages.impl.MessageBusImpl.access$000(MessageBusImpl.java:43)
	at com.intellij.util.messages.impl.MessageBusImpl$2.invoke(MessageBusImpl.java:135)
	at $Proxy39.appStarting(Unknown Source)
	at com.intellij.idea.IdeaApplication.d(IdeaApplication.java:345)
	at com.intellij.idea.IdeaApplication.access$400(IdeaApplication.java:59)
	at com.intellij.idea.IdeaApplication$IdeStarter$2.run(IdeaApplication.java:313)
	at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:333)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:646)
	at java.awt.EventQueue.access$000(EventQueue.java:84)
	at java.awt.EventQueue$1.run(EventQueue.java:607)
	at java.awt.EventQueue$1.run(EventQueue.java:605)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:616)
	at com.intellij.ide.IdeEventQueue.d(IdeEventQueue.java:673)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:498)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:333)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)