org.osgi.framework.BundleException: The activator ru.runa.jbpm.ui.UiPlugin for bundle ru.runa.jbpm.ui is invalid

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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 runawfe by nobody
, 1 year ago
The activator ru.runa.jbpm.ui.UiPlugin for bundle ru.runa.jbpm.ui is invalid
via Oracle Community by 666705, 1 year ago
The activator org.eclipse.ui.internal.ide.IDEWorkbenchPlugin for bundle org.eclipse.ui.ide is invalid
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The activator de.greu.rcp1.Rcp1Plugin for bundle de.greu.rcp1 is invalid
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The activator org.eclipse.ui.internal.ide.IDEWorkbenchPlugin for bundle org.eclipse.ui.ide is invalid
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The activator org.springframework.ide.eclipse.beans.ui.editor.BeansEditorPlugin for bundle org.springframework.ide.eclipse.beans.ui.editor is invalid
via Spring JIRA by Imported, 1 year ago
The activator org.springframework.ide.eclipse.beans.ui.editor.BeansEditorPlugin for bundle org.springframework.ide.eclipse.beans.ui.editor is invalid
java.lang.UnsupportedClassVersionError: ru/runa/jbpm/ui/UiPlugin (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at org.eclipse.osgi.framework.adaptor.core.DefaultClassLoader.defineClass(DefaultClassLoader.java:370)
at org.eclipse.osgi.framework.adaptor.core.DefaultClassLoader.findClassImpl(DefaultClassLoader.java:343)
at org.eclipse.osgi.framework.adaptor.core.DefaultClassLoader.findClass(DefaultClassLoader.java:235)
at org.eclipse.osgi.framework.adaptor.core.AbstractClassLoader.findLocalClass(AbstractClassLoader.java:183)
at org.eclipse.core.runtime.adaptor.EclipseClassLoader.basicFindLocalClass(EclipseClassLoader.java:141)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:337)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:389)
at org.eclipse.osgi.framework.adaptor.core.AbstractClassLoader.loadClass(AbstractClassLoader.java:78)
at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:275)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:142)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:965)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:313)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:337)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:389)
at org.eclipse.osgi.framework.adaptor.core.AbstractClassLoader.loadClass(AbstractClassLoader.java:78)
at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:275)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:152)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:142)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:129)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334)
at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
at org.eclipse.core.launcher.Main.run(Main.java:973)

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