try {

        ...

       // SQL 작업

} catch (SQLException ex) {

        System.out.println ("\n*** SQLException caught ***\n");
 
        while (ex != null) {
           System.out.println ("SQLState: " + ex.getSQLState ());  //Retrieves the SQLState for this SQLException object
           System.out.println ("Message:  " + ex.getMessage ());
           System.out.println ("Vendor:   " + ex.getErrorCode ());
           ex.printStackTrace(); 
           ex = ex.getNextException ();  //Adds an SQLException object to the end of the chain.
           System.out.println ("");
        }  

} catch (Exception e) {

        ...

} finally {

        // connection release..

}

*** SQLException caught ***

SQLState: 23000
Message:  ORA-01401: 열에 입력한 값이 너무 큽니다

Vendor:   1401
java.sql.SQLException: ORA-01401: 열에 입력한 값이 너무 큽니다

        at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
        at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:208)
        at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:543)
        at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1405)
        at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:822)
        at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:1446)
        at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:1371)
        at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1900)
        at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:363)

        ...