IncompatibleClassChangeError (PyCharm 5.0.2)

Bug #1528165 reported by Peter Bittner on 2015-12-21
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
bzr4j
Undecided
Unassigned

Bug Description

I've just installed the Bzr4IntelliJ VCS integration plugin, and I get the following exception:

Implementing class [Plugin: bzr4intellij]
com.intellij.diagnostic.PluginException: Implementing class [Plugin: bzr4intellij]
 at com.intellij.ide.plugins.cl.PluginClassLoader.a(PluginClassLoader.java:127)
 at com.intellij.ide.plugins.cl.PluginClassLoader.a(PluginClassLoader.java:77)
 at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:66)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
 at org.emergent.bzr4j.intellij.BzrVcs.<init>(BzrVcs.java:161)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
 at org.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:193)
 at org.picocontainer.defaults.ConstructorInjectionComponentAdapter$1.run(ConstructorInjectionComponentAdapter.java:220)
 at org.picocontainer.defaults.ThreadLocalCyclicDependencyGuard.observe(ThreadLocalCyclicDependencyGuard.java:53)
 at org.picocontainer.defaults.ConstructorInjectionComponentAdapter.getComponentInstance(ConstructorInjectionComponentAdapter.java:248)
 at com.intellij.util.pico.ConstructorInjectionComponentAdapter.getComponentInstance(ConstructorInjectionComponentAdapter.java:59)
 at com.intellij.openapi.extensions.AbstractExtensionPointBean.instantiate(AbstractExtensionPointBean.java:75)
 at com.intellij.openapi.extensions.AbstractExtensionPointBean.instantiate(AbstractExtensionPointBean.java:68)
 at com.intellij.openapi.extensions.AbstractExtensionPointBean.instantiate(AbstractExtensionPointBean.java:63)
 at com.intellij.openapi.vcs.impl.VcsEP.a(VcsEP.java:81)
 at com.intellij.openapi.vcs.impl.VcsEP.getVcs(VcsEP.java:61)
 at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.getByName(AllVcses.java:103)
 at com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl.findVcsByName(ProjectLevelVcsManagerImpl.java:179)
 at com.intellij.openapi.vcs.configurable.VcsManagerConfigurable$1.compute(VcsManagerConfigurable.java:160)
 at com.intellij.openapi.vcs.configurable.VcsManagerConfigurable$1.compute(VcsManagerConfigurable.java:156)
 at com.intellij.openapi.util.NotNullLazyValue.getValue(NotNullLazyValue.java:39)
 at com.intellij.openapi.vcs.configurable.VcsManagerConfigurable$2.disposeUIResources(VcsManagerConfigurable.java:198)
 at com.intellij.openapi.options.ex.ConfigurableCardPanel.dispose(ConfigurableCardPanel.java:109)
 at com.intellij.openapi.options.ex.ConfigurableCardPanel.dispose(ConfigurableCardPanel.java:35)
 at com.intellij.ui.CardLayoutPanel.removeAll(CardLayoutPanel.java:197)
 at com.intellij.ui.CardLayoutPanel.dispose(CardLayoutPanel.java:68)
 at com.intellij.openapi.util.Disposer$1.execute(Disposer.java:46)
 at com.intellij.openapi.util.Disposer$1.execute(Disposer.java:43)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:132)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectTree.executeActionWithRecursiveGuard(ObjectTree.java:146)
 at com.intellij.openapi.util.objectTree.ObjectNode.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:122)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectTree.executeActionWithRecursiveGuard(ObjectTree.java:146)
 at com.intellij.openapi.util.objectTree.ObjectNode.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:122)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectTree.executeActionWithRecursiveGuard(ObjectTree.java:146)
 at com.intellij.openapi.util.objectTree.ObjectNode.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:122)
 at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectTree.executeActionWithRecursiveGuard(ObjectTree.java:146)
 at com.intellij.openapi.util.objectTree.ObjectNode.execute(ObjectNode.java:106)
 at com.intellij.openapi.util.objectTree.ObjectTree.executeAll(ObjectTree.java:132)
 at com.intellij.openapi.util.Disposer.dispose(Disposer.java:107)
 at com.intellij.openapi.util.Disposer.dispose(Disposer.java:103)
 at com.intellij.openapi.ui.DialogWrapper.close(DialogWrapper.java:426)
 at com.intellij.openapi.ui.DialogWrapper.close(DialogWrapper.java:430)
 at com.intellij.openapi.ui.DialogWrapper.doCancelAction(DialogWrapper.java:927)
 at com.intellij.openapi.ui.DialogWrapper.doCancelAction(DialogWrapper.java:947)
 at com.intellij.openapi.options.newEditor.SettingsDialog.doCancelAction(SettingsDialog.java:163)
 at com.intellij.openapi.ui.DialogWrapper$18.actionPerformed(DialogWrapper.java:1714)
 at javax.swing.JComponent$ActionStandin.actionPerformed(JComponent.java:3413)
 at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1662)
 at javax.swing.JComponent.processKeyBinding(JComponent.java:2870)
 at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:307)
 at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:250)
 at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2962)
 at javax.swing.JComponent.processKeyBindings(JComponent.java:2954)
 at javax.swing.JComponent.processKeyEvent(JComponent.java:2833)
 at java.awt.Component.processEvent(Component.java:6293)
 at java.awt.Container.processEvent(Container.java:2229)
 at java.awt.Component.dispatchEventImpl(Component.java:4872)
 at java.awt.Container.dispatchEventImpl(Container.java:2287)
 at java.awt.Component.dispatchEvent(Component.java:4698)
 at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1887)
 at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:762)
 at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1027)
 at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:899)
 at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:727)
 at java.awt.Component.dispatchEventImpl(Component.java:4742)
 at java.awt.Container.dispatchEventImpl(Container.java:2287)
 at java.awt.Window.dispatchEventImpl(Window.java:2719)
 at java.awt.Component.dispatchEvent(Component.java:4698)
 at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:747)
 at java.awt.EventQueue.access$300(EventQueue.java:103)
 at java.awt.EventQueue$3.run(EventQueue.java:706)
 at java.awt.EventQueue$3.run(EventQueue.java:704)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
 at java.awt.EventQueue$4.run(EventQueue.java:720)
 at java.awt.EventQueue$4.run(EventQueue.java:718)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:717)
 at com.intellij.ide.IdeEventQueue.f(IdeEventQueue.java:866)
 at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:623)
 at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:381)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:154)
 at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:182)
 at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:221)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:219)
 at java.awt.Dialog.show(Dialog.java:1082)
 at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:792)
 at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:465)
 at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1638)
 at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1587)
 at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:118)
 at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:65)
 at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:182)
 at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:161)
 at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:125)
 at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:299)
 at java.awt.Component.processEvent(Component.java:6281)
 at java.awt.Container.processEvent(Container.java:2229)
 at java.awt.Component.dispatchEventImpl(Component.java:4872)
 at java.awt.Container.dispatchEventImpl(Container.java:2287)
 at java.awt.Component.dispatchEvent(Component.java:4698)
 at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
 at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
 at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
 at java.awt.Container.dispatchEventImpl(Container.java:2273)
 at java.awt.Window.dispatchEventImpl(Window.java:2719)
 at java.awt.Component.dispatchEvent(Component.java:4698)
 at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:747)
 at java.awt.EventQueue.access$300(EventQueue.java:103)
 at java.awt.EventQueue$3.run(EventQueue.java:706)
 at java.awt.EventQueue$3.run(EventQueue.java:704)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
 at java.awt.EventQueue$4.run(EventQueue.java:720)
 at java.awt.EventQueue$4.run(EventQueue.java:718)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:717)
 at com.intellij.ide.IdeEventQueue.f(IdeEventQueue.java:866)
 at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:650)
 at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:381)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
 at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
Caused by: java.lang.IncompatibleClassChangeError: Implementing class
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
 at com.intellij.util.lang.UrlClassLoader._defineClass(UrlClassLoader.java:257)
 at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:253)
 at com.intellij.util.lang.UrlClassLoader._findClass(UrlClassLoader.java:222)
 at com.intellij.ide.plugins.cl.PluginClassLoader.a(PluginClassLoader.java:124)
 ... 142 more

This exception occurs in several places. Most easily it is reproducible by going to File > Settings... > Version Control > Bazaar
Then the exception occurs and the spinner continues to turn in the settings dialog.

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