OS: Windows 10
Build: https://vscjavaci.cloudapp.net/job/vscode-java-debug.vsix/16/Azure/
VSCode: 1.16.1 x86
JDK: 1.8.0.14 x64
Repro Steps:
- Click uninstall java Debug Extension for Visual Studio Code
- Choose All in following dialog


[Error - 10:23:54 PM] Sep 19, 2017 10:18:52 PM An internal error occurred during: "Periodic workspace save.".
org/eclipse/core/runtime/Plugin$2
java.lang.NoClassDefFoundError: org/eclipse/core/runtime/Plugin$2
at org.eclipse.core.runtime.Plugin.savePluginPreferences(Plugin.java:385)
at org.eclipse.core.internal.resources.SaveManager.saveMetaInfo(SaveManager.java:1310)
at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1233)
at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1165)
at org.eclipse.core.internal.resources.DelayedSnapshotJob.run(DelayedSnapshotJob.java:52)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)
Caused by: java.lang.ClassNotFoundException: org.eclipse.core.runtime.Plugin$2 cannot be found by org.eclipse.core.runtime_3.13.0.v20170207-1030
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:484)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 6 more
OS: Windows 10
Build: https://vscjavaci.cloudapp.net/job/vscode-java-debug.vsix/16/Azure/
VSCode: 1.16.1 x86
JDK: 1.8.0.14 x64
Repro Steps:
[Error - 10:23:54 PM] Sep 19, 2017 10:18:52 PM An internal error occurred during: "Periodic workspace save.".
org/eclipse/core/runtime/Plugin$2
java.lang.NoClassDefFoundError: org/eclipse/core/runtime/Plugin$2
at org.eclipse.core.runtime.Plugin.savePluginPreferences(Plugin.java:385)
at org.eclipse.core.internal.resources.SaveManager.saveMetaInfo(SaveManager.java:1310)
at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1233)
at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1165)
at org.eclipse.core.internal.resources.DelayedSnapshotJob.run(DelayedSnapshotJob.java:52)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)
Caused by: java.lang.ClassNotFoundException: org.eclipse.core.runtime.Plugin$2 cannot be found by org.eclipse.core.runtime_3.13.0.v20170207-1030
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:484)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 6 more