Bad Timestamp Format

hi,
I get the following error while retrieving a datetime column using
getTimestamp.

Bad Timestamp Format at 12 in 1970-1-1 0:0;


Bad Timestamp Format at 12 in 1970-1-1 0:0
        at org.postgresql.jdbc2.ResultSet.getTimestamp(Unknown Source)
        at org.postgresql.jdbc2.ResultSet.getTimestamp(Unknown Source)
        at
org.jboss.pool.jdbc.ResultSetInPool.getTimestamp(ResultSetInPool.java:734)

regards,
Nagarajan.