ResultSet.getTimeStamp(1) is not work in some systems

I have the code ResultSet.getTimeStamp(1) in one servlet. Am using JDK 1.6 and Tomcat 6.

In my system its work fine.But in serv开发者_开发知识库er which have same configuration ResultSet.getTimestamp(1) throws invalid column type. Can anybody help me?

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Could be a jdbc driver problem. Make sure, that you have only the correct and latest drivers on your actual class path. Here's an external forum entry where exactly that was the issue.