MS-SQL 연결시 에러 발생

java.lang.UnsupportedClassVersionError: com/microsoft/sqlserver/jdbc/SQLServerDriver (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java(Compiled Code))
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java(Compiled Code))
at java.net.URLClassLoader.defineClass(URLClassLoader.java(Compiled Code))
at java.net.URLClassLoader.access$500(URLClassLoader.java(Inlined Compiled Code))
at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java(Compiled Code))
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
at java.net.URLClassLoader.findClass(URLClassLoader.java(Compiled Code))
at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code))
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java(Compiled Code))
at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code))
at java.lang.Class.forName1(Native Method)
at java.lang.Class.forName(Class.java(Compiled Code))

sql 서버 드라이버와 java 실행 환경 버전을 확인해야 할 듯 합니다..