UnsupportedClassVersionError: JVMCFRE003 bad major version in WebSphere AS 7

Question

I am getting this error

java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=map/CareMonths, offset=6

My Eclipse\'s J

Answer 1

This error can occur if you project is compiling with JDK 1.6 and you have dependencies compiled with Java 7.