txkrun.pl errors in R12

txkrun.pl with following errors,
Failed to get connection using s_apps_jdbc_connect_descriptor=jdbc:oracle:thin:xxxxxx

java.sql.SQLException: ORA-00604: error occurred at recursive SQL level 1
ORA-12705: Cannot access NLS data files or invalid environment specified

The problem is at the jave version, people should use 1.6 wich came with the application(under the $IAS_ORACLE_HOME/appsutil/jdk/jre/bin/java).

to find out which java you are using
$which java

to find out the java version you are using
$java -version

if you current java environment is not set at version 1.6, then

export PATH=$IAS_ORACLE_HOME/appsutil/jdk/jre/bin:$PATH

and try txkrun.pl again