2765854 - Serviceadmin fails JAVA_HOME, OR SAP_JRE7 environment variable is not defined correctly - SRS

• Installed Replication Agent for MS SQL Server 15.7.1 ONE-OFF EBF 28355.
• Ran ServiceAdmin and got the following error or stack trace
    
  The JAVA_HOME, OR SAP_JRE7 environment variable is not defined correctly.
  Either JAVA_HOME, or SAP_JRE7 environment variable is needed to run this program.
   
  or stack
   
  c:\RAM_EBF_28355\RAX-15_5\winservice\bin>ServiceAdmin
  Exception in thread "main" java.lang.UnsupportedClassVersionError: com/sybase/ra/winservice/ServiceAdmin has been compiled by a more recent version of the Java Runtime (class file version 52.0), this version of the Java Runtime only recognizes class file versions up to 51.0
  at java.lang.ClassLoader.defineClass1(Native Method)
  at java.lang.ClassLoader.defineClass(ClassLoader.java:904)
  at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
  at java.net.URLClassLoader.defineClass(URLClassLoader.java:511)
  at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
  at java.net.URLClassLoader$1.run(URLClassLoader.java:423)
  at java.net.URLClassLoader$1.run(URLClassLoader.java:417)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.net.URLClassLoader.findClass(URLClassLoader.java:416)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:494)
  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:357)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:427)
  at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:501)

 SAP Replication Agent for MS SQL Server 15.7.1 ONE-OFF EBF 28355

SYBASE.bat, RAM, add windows service , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Problem