connect jdbc_demo/jdbc_demo

CREATE OR REPLACE PACKAGE JServer_mgr AS

  PROCEDURE show_user;

END JServer_mgr;
/
show errors


CREATE OR REPLACE PACKAGE BODY JServer_mgr AS

  /*
   ** -------------------
   ** PROC: show_user
   ** -------------------
  */
  PROCEDURE show_user
   AS LANGUAGE JAVA
   NAME 'TestJServerConnection.showUser()';

END JServer_mgr;
/
show errors