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"Transactions and Exception Handling in EJB 1.1"
Vol. 5, Issue 9, p. 20


Listing 1: Handling Subsystem Exceptions 
try { 
    // call helper method to get a connection 
    java.sql.Connection conn = this.getConnection(); 
    java.sql.Statement stmnt = conn.createStatement(); 
    stmnt.execute("select * from orders"); 

    // handle ResultSet 
    // close resources 
 catch(SQLException ex) { 
    // wrap subsystem exception and throw EJBException 
    throw new EJBException(ex); 


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