NoClassDefFoundError: org/jetbrains/plugins/gradle/service/project/wizard/GradleProjectOpenProcessor

[pihvi]

After clicking download new exercises:

org/jetbrains/plugins/gradle/service/project/wizard/GradleProjectOpenProcessor com.intellij.openapi.extensions.impl.PicoPluginExtensionInitializationException: org/jetbrains/plugins/gradle/service/project/wizard/GradleProjectOpenProcessor at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentInstance(ExtensionComponentAdapter.java:96) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getExtension(ExtensionComponentAdapter.java:119) at com.intellij.openapi.extensions.impl.ExtensionPointImpl.processAdapters(ExtensionPointImpl.java:246) at com.intellij.openapi.extensions.impl.ExtensionPointImpl.getExtensions(ExtensionPointImpl.java:191) at com.intellij.openapi.extensions.Extensions.getExtensions(Extensions.java:102) at com.intellij.openapi.extensions.Extensions.getExtensions(Extensions.java:89) at com.intellij.projectImport.ProjectOpenProcessor.getStrongImportProvider(ProjectOpenProcessor.java:76) at com.intellij.ide.impl.ProjectUtil.openOrImport(ProjectUtil.java:111) at fi.helsinki.cs.tmc.intellij.io.ProjectOpener.openProject(ProjectOpener.java:48) at fi.helsinki.cs.tmc.intellij.io.ProjectOpener.openProject(ProjectOpener.java:36) at fi.helsinki.cs.tmc.intellij.io.ProjectOpener.openProject(ProjectOpener.java:76) at fi.helsinki.cs.tmc.intellij.services.exercises.NextExerciseFetcher.openFirst(NextExerciseFetcher.java:90) at fi.helsinki.cs.tmc.intellij.services.exercises.ExerciseDownloadingService$2.lambda$run$0(ExerciseDownloadingService.java:133) at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:314) at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:416) at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:399) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762) at java.awt.EventQueue.access$500(EventQueue.java:98) at java.awt.EventQueue$3.run(EventQueue.java:715) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.awt.EventQueue.dispatchEvent(EventQueue.java:732) at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:821) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:649) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:365) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) Caused by: java.lang.NoClassDefFoundError: org/jetbrains/plugins/gradle/service/project/wizard/GradleProjectOpenProcessor at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:763) at java.lang.ClassLoader.defineClass(ClassLoader.java:642) at com.intellij.util.lang.UrlClassLoader._defineClass(UrlClassLoader.java:272) at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:268) at com.intellij.util.lang.UrlClassLoader._findClass(UrlClassLoader.java:237) at com.intellij.ide.plugins.cl.PluginClassLoader.b(PluginClassLoader.java:138) at com.intellij.ide.plugins.cl.PluginClassLoader.a(PluginClassLoader.java:76) at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:63) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.loadImplementationClass(ExtensionComponentAdapter.java:158) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentImplementation(ExtensionComponentAdapter.java:66) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentInstance(ExtensionComponentAdapter.java:73) ... 32 more Caused by: java.lang.ClassNotFoundException: org.jetbrains.plugins.gradle.service.project.wizard.GradleProjectOpenProcessor PluginClassLoader[org.jetbrains.kotlin, 1.1.51-release-IJ2017.2-1] com.intellij.ide.plugins.cl.PluginClassLoader@7c6b7960 at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:65) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 47 more Caused by:

java.lang.NoClassDefFoundError: org/jetbrains/plugins/gradle/service/project/wizard/GradleProjectOpenProcessor at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:763) at java.lang.ClassLoader.defineClass(ClassLoader.java:642) at com.intellij.util.lang.UrlClassLoader._defineClass(UrlClassLoader.java:272) at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:268) at com.intellij.util.lang.UrlClassLoader._findClass(UrlClassLoader.java:237) at com.intellij.ide.plugins.cl.PluginClassLoader.b(PluginClassLoader.java:138) at com.intellij.ide.plugins.cl.PluginClassLoader.a(PluginClassLoader.java:76) at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:63) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.loadImplementationClass(ExtensionComponentAdapter.java:158) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentImplementation(ExtensionComponentAdapter.java:66) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getComponentInstance(ExtensionComponentAdapter.java:73) at com.intellij.openapi.extensions.impl.ExtensionComponentAdapter.getExtension(ExtensionComponentAdapter.java:119) at com.intellij.openapi.extensions.impl.ExtensionPointImpl.processAdapters(ExtensionPointImpl.java:246) at com.intellij.openapi.extensions.impl.ExtensionPointImpl.getExtensions(ExtensionPointImpl.java:191) at com.intellij.openapi.extensions.Extensions.getExtensions(Extensions.java:102) at com.intellij.openapi.extensions.Extensions.getExtensions(Extensions.java:89) at com.intellij.projectImport.ProjectOpenProcessor.getStrongImportProvider(ProjectOpenProcessor.java:76) at com.intellij.ide.impl.ProjectUtil.openOrImport(ProjectUtil.java:111) at fi.helsinki.cs.tmc.intellij.io.ProjectOpener.openProject(ProjectOpener.java:48) at fi.helsinki.cs.tmc.intellij.io.ProjectOpener.openProject(ProjectOpener.java:36) at fi.helsinki.cs.tmc.intellij.io.ProjectOpener.openProject(ProjectOpener.java:76) at fi.helsinki.cs.tmc.intellij.services.exercises.NextExerciseFetcher.openFirst(NextExerciseFetcher.java:90) at fi.helsinki.cs.tmc.intellij.services.exercises.ExerciseDownloadingService$2.lambda$run$0(ExerciseDownloadingService.java:133) at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:314) at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:416) at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:399) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762) at java.awt.EventQueue.access$500(EventQueue.java:98) at java.awt.EventQueue$3.run(EventQueue.java:715) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.awt.EventQueue.dispatchEvent(EventQueue.java:732) at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:821) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:649) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:365) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) Caused by: java.lang.ClassNotFoundException: org.jetbrains.plugins.gradle.service.project.wizard.GradleProjectOpenProcessor PluginClassLoader[org.jetbrains.kotlin, 1.1.51-release-IJ2017.2-1] com.intellij.ide.plugins.cl.PluginClassLoader@7c6b7960 at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:65) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 47 more

[nygrenh]

Can you tell which course you're doing and which exercises you're trying to download?

[pihvi]

Cybersec course, securing part III: https://cybersecuritybase.github.io/securing/part3.html

tmc: https://tmc.mooc.fi/org/mooc/courses/267 exercises: https://tmc.mooc.fi/exercises/38534 and https://tmc.mooc.fi/exercises/38535

[pihvi]

Actually this seems to happen when opening the exercise as it happened again without downloading.