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Bypassing the Listener and Connecting the Instance without a Password from Java Code

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In the past I wrote a post about  Bypassing the listener and connecting to ASM without a password from Python code Now, I've been asked to prove that it can be done in Java. The solution is almost the same. Java sample code using OCI: $ vi OracleCon.java import java.sql.*; class OracleCon {     public static void main(String args[]) {         try {             Class.forName("oracle.jdbc.driver.OracleDriver");             Connection con = DriverManager.getConnection(                 "jdbc:oracle:oci:@(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL=BEQ) (PROGRAM=oracle) (ARGV0=oracle+ASM) (ARGS='(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))') (ENVS = 'ORACLE_HOME=/oracle/product/12.1.0.2/grid,ORACLE_SID=+ASM'))) (CONNECT_DATA= (SID=+ASM)))", "sys as sysdba", "change on install");             Statement...
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Change Listener Ports in RAC Environment

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Look at the current port configured for the scan_listener $ srvctl config scan_listener SCAN Listener LISTENER_SCAN1 exists. Port: TCP: 1521 SCAN Listener LISTENER_SCAN2 exists. Port: TCP: 1521 SCAN Listener LISTENER_SCAN3 exists. Port: TCP: 1521 $ lsnrctl status LISTENER_SCAN1 LSNRCTL for Solaris: Version 11.2.0.4.0 - Production on 01-JAN-20** 21:26:16 Copyright (c) 1991, 2013, Oracle.  All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1))) STATUS of the LISTENER ------------------------ Alias                     LISTENER_SCAN1 Version                   TNSLSNR for Solaris: Version 11.2.0.4.0 - Production Start Date                01-JAN-20** 16:08:18 Uptime                    0 days 5 hr. 17 min. 58 sec Trace Level  ...
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