When creating an Oracle or Oracle RAC login object which may contain an incorrect parameter, checking the connection causes the client to freeze or lock up instead of throwing a database error.
The database error can be found in the RMI or Client logs and may vary depending on which database parameter(s) are incorrect.
Release : 9.3.5 HF1, 9.4.x, but 9.3.3 and 9.3.4 may be affected as well
Component : Applications Manager
Cause is under investigation. A similar behavior is listed to be fixed in version 9.3.2 but something may have been changed in version 9.3.3 or above.
Fixed in version 9.4.2
Copy ojdbc*.jar from master's web/classes directory to Client PC's jars directory which is located in the same directory as the RunClient.jar file