13 May 2013

Unsupported major.minor version 51.0

Problem: Unsupported major.minor version 51.0.

Cause: The compiled application is not compatible with the JDK version of the application server.

Solution: Compile the source code again using the correct JDK version as of the application server.

The reported major numbers are:

J2SE 8 = 52,
J2SE 7 = 51,
J2SE 6.0 = 50,
J2SE 5.0 = 49,
JDK 1.4 = 48,
JDK 1.3 = 47,
JDK 1.2 = 46,
JDK 1.1 = 45

1 comment:

mattckc said...

Hi Ada,

I looked into your work, and find it very interesting. I am currently working on a Java Developer role that requires someone with your background. I would like to speak to you about the opportunity when you are available. Please contact me, mcheung@argyllscott.com, (+852) 3695 5037

Matthew Cheung