Home/ Questions/Q 8985901
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-06-15T21:25:38+00:00

When I’m connecting with database it was showing following error An error was encountered

  • 0

When I’m connecting with database it was showing following error 

An error was encountered performing the requested operation:
The Network Adapter could not establish the connection
Vendor code 20

I think it was due to problem with my classpath i tried to fix it but not succeeded
my classpath is :

E:\app\JamesPJ\product\11.2.0\dbhome_1\jlib\orai18n.jar;E:\app\JamesPJ\product\11.2.0\dbhome_1\jdbc\lib\ojdc6_g.jar;E:\app\JamesPJ\product\11.2.0\dbhome_1\BIN;C:\Program Files\Java\jdk1.7.0_09\bin;C:\Users\JamesPJ\Documents;E:\app\JamesPJ\product\11.2.0\dbhome_1\jdbc\lib;E:\app\JamesPJ\product\11.2.0\dbhome_1\jlib;E:\app\JamesPJ\product\11.2.0\dbhome_1\jdbc\lib\ojdbc6.jar;E:\app\JamesPJ\product\11.2.0\dbhome_1\oc4j\jdbc\lib\orai18n.jar;E:\app\JamesPJ\product\11.2.0\dbhome_1\oc4j\jdbc\lib\ocrs12.jar

If any one know the solution please help me

Thanks in advance…..

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    If you are using oracle then make sure Oracle Listener is started.

    • 0