Apache Tomcat goes down on starting Java application, Oracle error

Hello all
I am running a Java application on Apache Tomcat 5.5. I use Oracle 10g Express Edition as the back-end for my application. I deploy my application using theTomcat manager and it works fine.
However, when I try to access the home page of the application, my Tomcat server goes down. The stdout logs of Apache Tomcat display the following message:
Exception message: java.sql.SQLException: ORA-00604: error occurred at recursive SQL level 1
ORA-12705: Cannot access NLS data files or invalid environment specified.
What could the possible reasons be for this to happen? And how can I workaround or fix this?
Thanks
Swetha

This looks like a problem that XE has with some recently altered locales, i.e. Russian. You can work around the problem by making sure that the Java locale (Locale.setDefault()) is supported by XE before the JDBC connect call. For example, use Locale.setDefault( Locale.US ). After connect, you may explicitly set session NLS parameters using ALTER SESSION. You can also restore the Java locale.
-- Sergiusz

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