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  1. ,
    via Google Groups by Marcus Haebler

    Update "latest" to Java 8 on DockerHub.

  2. ,
    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 talendforge.org by Unknown author, 1 year ago
org/talend/osgi/configurator/JarLoaderConfigurator : Unsupported major.minor version 52.0
via talendforge.org by Unknown author, 1 year ago
org/talend/osgi/configurator/JarLoaderConfigurator : Unsupported major.minor version 52.0
via GitHub by thuzax
, 8 months ago
org/jhotdraw/samples/draw/Main : Unsupported major.minor version 52.0
via Stack Overflow by Kapil
, 1 year ago
org/neu/mr/cs6750/reducerjoin/ReduceSideJoin : Unsupported major.minor version 52.0
java.lang.UnsupportedClassVersionError: org/talend/osgi/configurator/JarLoaderConfigurator : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.eclipse.osgi.internal.hookregistry.HookRegistry.loadConfigurators(HookRegistry.java:185) at org.eclipse.osgi.internal.hookregistry.HookRegistry.initialize(HookRegistry.java:106) at org.eclipse.osgi.internal.framework.EquinoxContainer.<init>(EquinoxContainer.java:73) at org.eclipse.osgi.launch.Equinox.<init>(Equinox.java:31) at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:295) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:231) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465)