java.lang.UnsupportedClassVersionError: (com/allen_sauer/gwt/log/ > > server/RemoteLoggerServiceImpl) bad major version at offset=6

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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 razmaspaz, 1 year ago
(com/allen_sauer/gwt/log/ > > server/RemoteLoggerServiceImpl) bad major version at offset=6
via scriptscoop.me by Unknown author, 1 year ago
via Stack Overflow by Josh
, 1 year ago
JVMCFRE003 bad major version; class=org/apache/tomcat/jdbc/pool/DataSource, offset=6
via pr8x.com by Unknown author, 1 year ago
JVMCFRE003 bad major version; class=org/apache/tomcat/jdbc/pool/DataSource, offset=6
via java-forums.org by Unknown author, 2 years ago
(DbReport_1200898605940_430273) bad major version at offset=6
java.lang.UnsupportedClassVersionError: (com/allen_sauer/gwt/log/ > > server/RemoteLoggerServiceImpl) bad major version at offset=6
at java.lang.ClassLoader.defineClassImpl(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:213)

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