kr0nicas

Weblogic 11c
Add the <enforce-valid-basic-auth-credentials> element to config.xml within the <security-configuration> element.
:
<enforce-valid-basic-auth-credentials>false</enforce-valid-basic-auth-credentials>
  </security-configuration>
Start or restart all of the servers in the domain.

http://blog.avanttic.com/2011/02/16/problema-drivers-jdbc-al-migrar-una-aplicacion-java-1-4-a-1-6-weblogic-11g/

Weblogic 12C