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The following problem was reported via the automated error reporting: Message: The proxied delegate for 'org.eclipse.objectteams.otdt.internal.ui.callinmarkers.UpdateRulerAction' could not be loaded java.lang.ClassNotFoundException: org.eclipse.objectteams.otdt.core.IOTJavaElement cannot be found by org.eclipse.objectteams.otdt.ui_2.2.0.201305210612 at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:439) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344) at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160) at java.lang.ClassLoader.loadClass(null:-1) at org.eclipse.objectteams.otdt.ui.OTDTUIPlugin.registerAdapter(OTDTUIPlugin.java:165) at org.eclipse.objectteams.otdt.ui.OTDTUIPlugin.start(OTDTUIPlugin.java:122) at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771) at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1) at java.security.AccessController.doPrivileged(null:-2) at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764) at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721) at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941) at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318) at org.eclipse.osgi.container.Module.doStart(Module.java:571) at org.eclipse.osgi.container.Module.start(Module.java:439) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454) at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107) at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531) at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:402) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344) at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160) at java.lang.ClassLoader.loadClass(null:-1) at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:573) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174) 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.handlers.ActionDelegateHandlerProxy.loadDelegate(ActionDelegateHandlerProxy.java:589) at org.eclipse.ui.internal.handlers.ActionDelegateHandlerProxy.execute(ActionDelegateHandlerProxy.java:270) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:493) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:486) at org.eclipse.ui.actions.ContributedAction.runWithEvent(ContributedAction.java:193) at org.eclipse.ui.texteditor.AbstractTextEditor$14.triggerAction(AbstractTextEditor.java:3082) at org.eclipse.ui.texteditor.AbstractTextEditor$14.access$1(AbstractTextEditor.java:3065) at org.eclipse.ui.texteditor.AbstractTextEditor$15.run(AbstractTextEditor.java:3096) at org.eclipse.ui.texteditor.AbstractTextEditor$14.mouseUp(AbstractTextEditor.java:3100) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:220) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) Operating Systems: | Windows | 6.1.0 | 10.0.0 | The above information is a snapshot of the collected data. Visit https://dev.eclipse.org/recommenders/committers/aeri/v2/#!/problems/559719cbe4b08735226b8b5e for the latest data. Thank you for your assistance. Your friendly error-reports-inbox.
Originally, I saw in the linked aeri record, that jdt.core was in version 3.11.2.v20160128-0629, despite that fact that some OTDT components (org.eclipse.objectteams.otdt.ui) where installed. I *guess* that this situation could occur, when updating jdt, say from 3.11.1 to 3.11.2 where no corresponding OTDT update is available, hence overwriting the presiously installed org.eclipse.jdt.core_3.11.1.v_OTDT_r241_201509081206 => OTDT should never skip any (micro) release.
*** Bug 468105 has been marked as a duplicate of this bug. ***
*** Bug 473196 has been marked as a duplicate of this bug. ***
(In reply to Stephan Herrmann from comment #1) > I *guess* that this situation could occur, when updating jdt, say from > 3.11.1 to 3.11.2 where no corresponding OTDT update is available, hence > overwriting the presiously installed > org.eclipse.jdt.core_3.11.1.v_OTDT_r241_201509081206 I tried reproducing by - installing Eclipse SDK 4.5.1 - adding Object Teams 2.4.1 from the mars/201510021000 repo - check for updates => Updating SDK to 4.5.2 & OT to 2.4.2 I was not able to create the inconsistent configuration using this approach.
I tried a few more scenarios but even for a non-package install (i.e., plain SDK) we already have the mars repo registered and any check for updates will find OTDT 2.4.2 from there. That's one of the reasons, why Object Teams is on the SimRel train to begin with. I'm closing as WORKSFORME, until s.o. can provide the installation steps that lead to the situation where we have OTDT installed, but org.eclipse.jdt.core has a non-OT version (no "v_OTDT_" segment in the qualifier of the plugin version).
