java.lang.UnsupportedOperationException: Remote JDBC disabled.

Problem:

<RuntimeException thrown by rmi server: weblogic.jdbc.common.internal.RmiDataSource.getConnection()
 java.lang.UnsupportedOperationException: Remote JDBC disabled.
java.lang.UnsupportedOperationException: Remote JDBC disabled
        at weblogic.jdbc.common.internal.JDBCServerHelperImpl.<clinit>(JDBCServerHelperImpl.java:36)
        at weblogic.jdbc.common.internal.JDBCService.initialize(JDBCService.java:91)
        at weblogic.jdbc.common.internal.JDBCService.start(JDBCService.java:137)
        at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
        Truncated. see log file for complete stacktrace

Solution:

1) Go to the Weblogic Domain Directory and edit the setDomainEnv.sh file
2) Modify WLS_JDBC_REMOTE_ENABLED value false to true.
WLS_JDBC_REMOTE_ENABLED="-Dweblogic.jdbc.remoteEnabled=true"
3) Restart the WebLogic Servers

Reference:

http://idmoim.blogspot.com/2011/07/javalangunsupportedoperationexception.html