java.lang.UnsupportedClassVersionError: org/apache/felix/fileinstall/ArtifactUrlTransformer : Unsupported major.minor version 51.0

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    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.

  2. ,
    via Google Groups by Marcus Haebler

    Update "latest" to Java 8 on DockerHub.

Solutions on the web

via GitHub by tdudgeon
, 2 years ago
org/jboss/gravia/runtime/osgi/internal/OSGiRuntimeActivator : Unsupported major.minor version 51.0
java.lang.UnsupportedClassVersionError: org/apache/felix/fileinstall/ArtifactUrlTransformer : Unsupported major.minor version 51.0	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)	at java.lang.ClassLoader.defineClass(ClassLoader.java:615)	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.findClass(BundleWiringImpl.java:2279)	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1501)	at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:75)	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1955)	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)	at org.apache.felix.framework.BundleWiringImpl.getClassByDelegation(BundleWiringImpl.java:1374)