org.osgi.framework.BundleException: The activator for bundle is invalid

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via Stack Overflow by ERJAN

This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

Solutions on the web

via Stack Overflow by Upendra
, 8 months ago
The activator for bundle is invalid
via Eclipse Bugzilla by eclipse, 1 year ago
via by Unknown author, 2 years ago
The activator org.eclipse.ui.internal.WorkbenchPlugin for bundle org.eclipse.ui.workbench is invalid
via Stack Overflow by prosseek
, 2 years ago
The activator headlesshello2.Activator for bundle headlessHello2 is invalid
via Google Groups by rzseattle, 4 months ago
The activator com.arrowframework.ui.main.ArrowUI for bundle com.arrowframework.ui is invalid
via Stack Overflow by Igor
, 2 years ago
The activator MahjongActivator for bundle Mahjong is invalid
java.lang.UnsupportedClassVersionError: com/android/prefs/AndroidLocation$AndroidLocationException : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
at java.lang.reflect.Constructor.newInstance(
at java.lang.Class.newInstance(
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(

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