Jre1.6.0 _13
Link to database console at the
Unsupported major, minor version52.0

Many posts online for changing operating environment to 1.8 I changed the mysql is link, there is always a kind of package the word show red
The type of Java. IO. ObjectInputStream always be resolved. It is indirectly referenced from required. Class files had deleted this class will also have other class is The case, this what to do, where we have a problem