Bad version number in .class file [Plugin: MercurialPlugin]: Bad version number in .class file [Plugin: MercurialPlugin] com.intellij.diagnostic.PluginException: Bad version number in .class file [Plugin: MercurialPlugin] at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentsRegistry.a(ComponentManagerImpl.java:70) at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentsRegistry.a(ComponentManagerImpl.java:10) at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentsRegistry.access$100(ComponentManagerImpl.java:66) at com.intellij.openapi.components.impl.ComponentManagerImpl.a(ComponentManagerImpl.java:73) at com.intellij.openapi.components.impl.ComponentManagerImpl.initComponents(ComponentManagerImpl.java:107) at com.intellij.openapi.components.impl.stores.ApplicationStoreImpl.load(ApplicationStoreImpl.java:7) at com.intellij.openapi.application.impl.ApplicationImpl.load(ApplicationImpl.java:135) at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:41) at com.intellij.idea.MainImpl$3.run(MainImpl.java:1) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:35) at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:99) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:217) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110) Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:675) at java.lang.ClassLoader.defineClass(ClassLoader.java:520) at com.intellij.util.lang.UrlClassLoader._defineClass(UrlClassLoader.java:119) at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:115) at com.intellij.util.lang.UrlClassLoader._findClass(UrlClassLoader.java:91) at com.intellij.ide.plugins.cl.PluginClassLoader.loadClassInsideSelf(PluginClassLoader.java:78) at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:41) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentsRegistry.a(ComponentManagerImpl.java:13) ... 18 more com.intellij.diagnostic.PluginException: unsupported class version for com.dcx.hg.actions.MercurialMenu [Plugin: MercurialPlugin] at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.a(ActionManagerImpl.java:288) at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.b(ActionManagerImpl.java:389) at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.a(ActionManagerImpl.java:146) at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.a(ActionManagerImpl.java:208) at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.readExternal(ActionManagerImpl.java:126) at com.intellij.openapi.components.impl.stores.ComponentStoreImpl.a(ComponentStoreImpl.java:158) at com.intellij.openapi.components.impl.stores.ComponentStoreImpl.initJdomExternalizable(ComponentStoreImpl.java:75) at com.intellij.openapi.components.impl.stores.ComponentStoreImpl$1.run(ComponentStoreImpl.java:1) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:314) at com.intellij.openapi.components.impl.stores.ComponentStoreImpl.initComponent(ComponentStoreImpl.java:151) at com.intellij.openapi.components.impl.ComponentManagerImpl.a(ComponentManagerImpl.java:141) at com.intellij.openapi.components.impl.ComponentManagerImpl.access$1100(ComponentManagerImpl.java:20) at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentConfigComponentAdapter$1.getComponentInstance(ComponentManagerImpl.java:8) at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentConfigComponentAdapter.getComponentInstance(ComponentManagerImpl.java:10) at com.intellij.util.pico.DefaultPicoContainer.getLocalInstance(DefaultPicoContainer.java:230) at com.intellij.util.pico.DefaultPicoContainer.getInstance(DefaultPicoContainer.java:217) at com.intellij.util.pico.DefaultPicoContainer.getComponentInstance(DefaultPicoContainer.java:199) at org.picocontainer.alternatives.AbstractDelegatingMutablePicoContainer.getComponentInstance(AbstractDelegatingMutablePicoContainer.java:75) at com.intellij.openapi.components.impl.ComponentManagerImpl.a(ComponentManagerImpl.java:16) at com.intellij.openapi.components.impl.ComponentManagerImpl.a(ComponentManagerImpl.java:69) at com.intellij.openapi.components.impl.ComponentManagerImpl.initComponents(ComponentManagerImpl.java:107) at com.intellij.openapi.components.impl.stores.ApplicationStoreImpl.load(ApplicationStoreImpl.java:7) at com.intellij.openapi.application.impl.ApplicationImpl.load(ApplicationImpl.java:135) at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:41) at com.intellij.idea.MainImpl$3.run(MainImpl.java:1) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:35) at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:99) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:217) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)