also affected Ubuntu LTS 12.04: [ 15748] ERROR - ntellij.openapi.vcs.impl.VcsEP - PyCharm 3.1.3 Build #PY-133.1347 [ 15748] ERROR - ntellij.openapi.vcs.impl.VcsEP - JDK: 1.7.0_55 [ 15749] ERROR - ntellij.openapi.vcs.impl.VcsEP - VM: Java HotSpot(TM) Server VM [ 15751] ERROR - ntellij.openapi.vcs.impl.VcsEP - Vendor: Oracle Corporation [ 15751] ERROR - ntellij.openapi.vcs.impl.VcsEP - OS: Linux [ 15757] ERROR - ntellij.openapi.vcs.impl.VcsEP - Last Action: [ 15757] ERROR - .impl.projectlevelman.AllVcses - Assertion failed: Bazaar java.lang.Throwable at com.intellij.openapi.diagnostic.Logger.assertTrue(Logger.java:141) at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.getByName(AllVcses.java:97) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.a(NewMappings.java:177) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.a(NewMappings.java:166) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.activateActiveVcses(NewMappings.java:118) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings$1.run(NewMappings.java:87) at com.intellij.openapi.vcs.impl.VcsInitialization.execute(VcsInitialization.java:84) at com.intellij.openapi.vcs.impl.VcsInitialization$1$1.run(VcsInitialization.java:50) at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:420) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:150) [ 15760] ERROR - .impl.projectlevelman.AllVcses - PyCharm 3.1.3 Build #PY-133.1347 [ 15766] ERROR - .impl.projectlevelman.AllVcses - JDK: 1.7.0_55 [ 15788] ERROR - .impl.projectlevelman.AllVcses - VM: Java HotSpot(TM) Server VM [ 15795] ERROR - .impl.projectlevelman.AllVcses - Vendor: Oracle Corporation [ 15795] ERROR - .impl.projectlevelman.AllVcses - OS: Linux [ 15795] ERROR - .impl.projectlevelman.AllVcses - Last Action: [ 15810] ERROR - plication.impl.ApplicationImpl - null java.lang.NullPointerException at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.b(AllVcses.java:64) at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.a(AllVcses.java:58) at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.getByName(AllVcses.java:98) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.a(NewMappings.java:177) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.a(NewMappings.java:166) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings.activateActiveVcses(NewMappings.java:118) at com.intellij.openapi.vcs.impl.projectlevelman.NewMappings$1.run(NewMappings.java:87) at com.intellij.openapi.vcs.impl.VcsInitialization.execute(VcsInitialization.java:84) at com.intellij.openapi.vcs.impl.VcsInitialization$1$1.run(VcsInitialization.java:50) at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:420) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:150) [ 15813] ERROR - plication.impl.ApplicationImpl - PyCharm 3.1.3 Build #PY-133.1347 [ 15813] ERROR - plication.impl.ApplicationImpl - JDK: 1.7.0_55 [ 15813] ERROR - plication.impl.ApplicationImpl - VM: Java HotSpot(TM) Server VM [ 15813] ERROR - plication.impl.ApplicationImpl - Vendor: Oracle Corporation [ 15813] ERROR - plication.impl.ApplicationImpl - OS: Linux [ 15814] ERROR - plication.impl.ApplicationImpl - Last Action: [ 43048] ERROR - ntellij.openapi.vcs.impl.VcsEP - Implementing class [Plugin: bzr4intellij] com.intellij.diagnostic.PluginException: Implementing class [Plugin: bzr4intellij] at com.intellij.ide.plugins.cl.PluginClassLoader.b(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.(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.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.getVcs(VcsEP.java:63) at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.getByName(AllVcses.java:96) at com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl.getVcsFor(ProjectLevelVcsManagerImpl.java:284) at com.intellij.openapi.vcs.changes.VcsGuess.getVcsForDirty(VcsGuess.java:63) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.a(VcsDirtyScopeManagerImpl.java:148) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.access$300(VcsDirtyScopeManagerImpl.java:44) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl$5.run(VcsDirtyScopeManagerImpl.java:163) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:908) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.filePathsDirty(VcsDirtyScopeManagerImpl.java:161) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$FileAndDirsCollector.a(VcsDirtyScopeVfsListener.java:251) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$FileAndDirsCollector.access$300(VcsDirtyScopeVfsListener.java:196) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$1.run(VcsDirtyScopeVfsListener.java:92) at com.intellij.openapi.vcs.ZipperUpdater$1.run(ZipperUpdater.java:64) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.Alarm$Request$1.run(Alarm.java:297) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:298) at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:295) at com.intellij.util.concurrency.QueueProcessor$2$1.run(QueueProcessor.java:110) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:107) at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:104) at com.intellij.util.concurrency.QueueProcessor$3$1.run(QueueProcessor.java:215) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.concurrency.QueueProcessor$3.run(QueueProcessor.java:212) at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:420) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:150) 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:189) at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:185) at com.intellij.util.lang.UrlClassLoader._findClass(UrlClassLoader.java:161) at com.intellij.ide.plugins.cl.PluginClassLoader.b(PluginClassLoader.java:124) ... 48 more [ 43062] ERROR - ntellij.openapi.vcs.impl.VcsEP - PyCharm 3.1.3 Build #PY-133.1347 [ 43062] ERROR - ntellij.openapi.vcs.impl.VcsEP - JDK: 1.7.0_55 [ 43062] ERROR - ntellij.openapi.vcs.impl.VcsEP - VM: Java HotSpot(TM) Server VM [ 43062] ERROR - ntellij.openapi.vcs.impl.VcsEP - Vendor: Oracle Corporation [ 43062] ERROR - ntellij.openapi.vcs.impl.VcsEP - OS: Linux [ 43062] ERROR - ntellij.openapi.vcs.impl.VcsEP - Last Action: [ 43074] ERROR - .impl.projectlevelman.AllVcses - Assertion failed: Bazaar java.lang.Throwable at com.intellij.openapi.diagnostic.Logger.assertTrue(Logger.java:141) at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.getByName(AllVcses.java:97) at com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl.getVcsFor(ProjectLevelVcsManagerImpl.java:284) at com.intellij.openapi.vcs.changes.VcsGuess.getVcsForDirty(VcsGuess.java:63) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.a(VcsDirtyScopeManagerImpl.java:148) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.access$300(VcsDirtyScopeManagerImpl.java:44) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl$5.run(VcsDirtyScopeManagerImpl.java:163) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:908) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.filePathsDirty(VcsDirtyScopeManagerImpl.java:161) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$FileAndDirsCollector.a(VcsDirtyScopeVfsListener.java:251) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$FileAndDirsCollector.access$300(VcsDirtyScopeVfsListener.java:196) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$1.run(VcsDirtyScopeVfsListener.java:92) at com.intellij.openapi.vcs.ZipperUpdater$1.run(ZipperUpdater.java:64) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.Alarm$Request$1.run(Alarm.java:297) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:298) at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:295) at com.intellij.util.concurrency.QueueProcessor$2$1.run(QueueProcessor.java:110) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:107) at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:104) at com.intellij.util.concurrency.QueueProcessor$3$1.run(QueueProcessor.java:215) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.concurrency.QueueProcessor$3.run(QueueProcessor.java:212) at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:420) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:150) [ 43078] ERROR - .impl.projectlevelman.AllVcses - PyCharm 3.1.3 Build #PY-133.1347 [ 43078] ERROR - .impl.projectlevelman.AllVcses - JDK: 1.7.0_55 [ 43078] ERROR - .impl.projectlevelman.AllVcses - VM: Java HotSpot(TM) Server VM [ 43079] ERROR - .impl.projectlevelman.AllVcses - Vendor: Oracle Corporation [ 43079] ERROR - .impl.projectlevelman.AllVcses - OS: Linux [ 43079] ERROR - .impl.projectlevelman.AllVcses - Last Action: [ 43079] ERROR - til.concurrency.QueueProcessor - null java.lang.NullPointerException at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.b(AllVcses.java:64) at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.a(AllVcses.java:58) at com.intellij.openapi.vcs.impl.projectlevelman.AllVcses.getByName(AllVcses.java:98) at com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl.getVcsFor(ProjectLevelVcsManagerImpl.java:284) at com.intellij.openapi.vcs.changes.VcsGuess.getVcsForDirty(VcsGuess.java:63) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.a(VcsDirtyScopeManagerImpl.java:148) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.access$300(VcsDirtyScopeManagerImpl.java:44) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl$5.run(VcsDirtyScopeManagerImpl.java:163) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:908) at com.intellij.openapi.vcs.changes.VcsDirtyScopeManagerImpl.filePathsDirty(VcsDirtyScopeManagerImpl.java:161) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$FileAndDirsCollector.a(VcsDirtyScopeVfsListener.java:251) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$FileAndDirsCollector.access$300(VcsDirtyScopeVfsListener.java:196) at com.intellij.openapi.vcs.changes.VcsDirtyScopeVfsListener$1.run(VcsDirtyScopeVfsListener.java:92) at com.intellij.openapi.vcs.ZipperUpdater$1.run(ZipperUpdater.java:64) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.Alarm$Request$1.run(Alarm.java:297) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:298) at com.intellij.util.concurrency.QueueProcessor$RunnableConsumer.consume(QueueProcessor.java:295) at com.intellij.util.concurrency.QueueProcessor$2$1.run(QueueProcessor.java:110) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:107) at com.intellij.util.concurrency.QueueProcessor$2.consume(QueueProcessor.java:104) at com.intellij.util.concurrency.QueueProcessor$3$1.run(QueueProcessor.java:215) at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238) at com.intellij.util.concurrency.QueueProcessor$3.run(QueueProcessor.java:212) at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:420) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:150) [ 43080] ERROR - til.concurrency.QueueProcessor - PyCharm 3.1.3 Build #PY-133.1347 [ 43081] ERROR - til.concurrency.QueueProcessor - JDK: 1.7.0_55 [ 43081] ERROR - til.concurrency.QueueProcessor - VM: Java HotSpot(TM) Server VM [ 43081] ERROR - til.concurrency.QueueProcessor - Vendor: Oracle Corporation [ 43081] ERROR - til.concurrency.QueueProcessor - OS: Linux [ 43081] ERROR - til.concurrency.QueueProcessor - Last Action: