ClassCastException in InsertContributionItem.<init> --------------------------------------------------- Key: JBIDE-22922 URL: https://issues.redhat.com/browse/JBIDE-22922 Project: Tools (JBoss Tools) Issue Type: Bug Components: visual-page-editor-core Reporter: Automated Error Reporting Bot Assignee: Ilya Buziuk Priority: Major Fix For: 4.16.x The following problem was reported via the automated error reporting: Message: Class load Failure: 'org.jboss.tools.vpe.editor.menu.InsertContributionItem' {noformat} java.lang.ClassCastException: org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditor cannot be cast to org.jboss.tools.jst.web.ui.internal.editor.jspeditor.JSPMultiPageEditor at org.jboss.tools.vpe.editor.menu.InsertContributionItem.<init>(InsertContributionItem.java:73) at org.jboss.tools.vpe.editor.menu.InsertContributionItem.<init>(InsertContributionItem.java:63) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:-2) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at java.lang.Class.newInstance(Class.java:442) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:184) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55) at org.eclipse.ui.internal.util.Util.safeLoadExecutableExtension(Util.java:812) at org.eclipse.ui.internal.menus.DynamicMenuContributionItem.createContributionItem(DynamicMenuContributionItem.java:166) at org.eclipse.ui.internal.menus.DynamicMenuContributionItem.getContributionItem(DynamicMenuContributionItem.java:159) at org.eclipse.ui.internal.menus.DynamicMenuContributionItem.fill(DynamicMenuContributionItem.java:145) at org.eclipse.jface.action.MenuManager.doItemFill(MenuManager.java:728) at org.eclipse.jface.action.MenuManager.update(MenuManager.java:810) at org.eclipse.jface.action.MenuManager.update(MenuManager.java:669) at org.eclipse.e4.ui.workbench.renderers.swt.MenuManagerRenderer.scheduleManagerUpdate(MenuManagerRenderer.java:1185) at org.eclipse.e4.ui.workbench.renderers.swt.MenuManagerRenderer.processContents(MenuManagerRenderer.java:648) at org.eclipse.e4.ui.workbench.renderers.swt.MenuManagerRenderer.subscribeTopicChildAdded(MenuManagerRenderer.java:319) at sun.reflect.GeneratedMethodAccessor.invoke(null:-1) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:54) {noformat} Bundles: | org.eclipse.e4.core.di | 1.5.0.v20150421-2214 | 1.6.0.v20160319-0612 | | org.eclipse.e4.ui.workbench.renderers.swt | 0.13.0.v20150603-0857 | 0.14.0.v20160525-0940 | | org.eclipse.jface | 3.11.0.v20150602-1400 | 3.12.0.v20160518-1929 | | org.eclipse.ui | 3.107.0.v20150507-1945 | 3.108.0.v20160518-1929 | | org.jboss.tools.vpe | 3.7.1.Final-v20160331-0327-B91 | 3.8.0.Final-v20160609-2229-B3 | Operating Systems: | Linux | 4.4.0 | 4.4.0 | | Windows | 6.1.0 | 6.1.0 | The above information is a snapshot of the collected data. Visit [this page|https://redhat.ctrlflow.com/reviewers/#!/problems/57977d33e4b0300861...] for the latest data. Thank you for your assistance. Your friendly error-reports-inbox.