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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 Google Groups by preetam pujar, 7 months ago
Plug-in com.subgraph.vega.application was unable to load class com.subgraph.vega.application.Application.
via GitHub by SinisterShade
, 2 years ago
Plug-in com.subgraph.vega.application was unable to load class com.subgraph.vega.application.Application.
via GitHub by deijmaster
, 2 years ago
Plug-in com.subgraph.vega.application was unable to load class com.subgraph.vega.application.Application.
via GitHub by nemoDreamer
, 2 years ago
Plug-in com.subgraph.vega.application was unable to load class com.subgraph.vega.application.Application.
via Google Groups by Stu Beans, 1 year ago
Plug-in com.subgraph.vega.application was unable to load class com.subgraph.vega.application.Application.
via GitHub by jbajou
, 2 years ago
Plug-in com.subgraph.vega.application was unable to load class com.subgraph.vega.application.Application.
java.lang.UnsupportedClassVersionError: com/subgraph/vega/application/Application : Unsupported major.minor version 
 51.0	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)	at java.lang.ClassLoader.defineClass(ClassLoader.java:621)	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:188)	at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClassHoldingLock(ClasspathManager.java:632)	at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:614)	at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:568)	at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:492)	at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:465)	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)	at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395)	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:464)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)	at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:340)	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1212)	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.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:191)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)	at org.eclipse.equinox.launcher.Main.run(Main.java:1438)