NdbLoadBalanceExceptionChecker.java

package com.mysql.jdbc;

import java.sql.SQLException;

public class NdbLoadBalanceExceptionChecker extends
		StandardLoadBalanceExceptionChecker {

	public boolean shouldExceptionTriggerFailover(SQLException ex) {
		return super.shouldExceptionTriggerFailover(ex) || checkNdbException(ex);
	}
	
	private boolean checkNdbException(SQLException ex){
		// Have to parse the message since most NDB errors are mapped to the same DEMC, sadly.
		return (ex.getMessage().startsWith("Lock wait timeout exceeded") || 
				(ex.getMessage().startsWith("Got temporary error") 
				&& ex.getMessage().endsWith("from NDB")));
	}
}