[Troubleshooting] java.lang.SecurityException: Unable to locate a login configuration

Environment
RedHet Enterprise Linux 2.1
WLS 6.1
Service Pack 7
JRocket 1.4

Problem
As I would like to startup weblogic, it will show this kind of error message
java.lang.SecurityException: Unable to locate a login configuration
at com.ibm.security.auth.login.ConfigFile.getAppConfigurationEntry(ConfigFile.java:221)
at javax.security.auth.login.LoginContext.init(LoginContext.java:171)
at javax.security.auth.login.LoginContext.(LoginContext.java:318)
at weblogic.security.internal.ServerAuthenticate.main(ServerAuthenticate.java:81)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:200)
at weblogic.Server.main(Server.java:35)

Solution
You can check this file http://www.genuitec.com/products/JDK14_WLS61.pdf
Owing to the certified JDK version in WLS 6.1 is 1.3, the JDK version is 1.4