getWarnings()
Syntax:
SQLWarning getWarnings()
                       throws SQLException
                                        Description:
Retrieves the first warning reported by calls on this ResultSet object. Subsequent ResultSet object warnings will be chained to this SQLWarning object.
The warning chain is automatically cleared each time a statement is (re)executed. This method may not be called on a closed ResultSet object; doing so will cause an SQLException to be thrown.
Returns:
the first SQLWarning object or null if there are no warnings
Throws:
SQLException - if a database access error occurs or this method is called on a closed result set
Reference:
For more information, reference JDBC documentation for: ResultSet.getWarnings()