Exception in thread "main" java.lang.UnsupportedClassVersionError:Unsupported Major.minor version 52

Error:

Exception in thread "main" Java.lang.unsupportedclassversionerror:com/fsc/mina/client/transportservice: Unsupported Major.minor version 52.0
at Java.lang.ClassLoader.defineClass1 (Native method)
at Java.lang.ClassLoader.defineClass (classloader.java:800)
at Java.security.SecureClassLoader.defineClass ( secureclassloader.java:142)
at Java.net.URLClassLoader.defineClass (urlclassloader.java:449)
at Java.net.urlclassloader.access$100 (urlclassloader.java:71)
at Java.net.urlclassloader$1.run ( urlclassloader.java:361)
at Java.net.urlclassloader$1.run (urlclassloader.java:355)
at Java.security.AccessController.doPrivileged (Native method)
at Java.net.URLClassLoader.findClass ( urlclassloader.java:354)
at Java.lang.ClassLoader.loadClass (classloader.java:425)
at sun.misc.launcher$ Appclassloader.loadclass (launcher.java:308)
at Java.lang.ClassLoader.loadClass (classloader.java:358)
at Sun.launcher.LauncherHelper.checkAndLoadMain (launcherhelper.java:482)

According to the prompts it is obvious that the version mismatch is caused by the workaround:

1, the project right key-->properties-->java compiler-Compiler compliance level from 1.8 to 1.7 (or your JAVA virtual machine version).

2, the configuration of the environment variable%java_home%\bin, placed in the front of the path.