Not able to connect to MYSQL database in open shift platform

Question

I'm trying to connect with Openshift MYSQL database using JPA and spring data but getting null value for host and port value (ie [jdbc:mysql://null:null/jbosstest1]) . below is code I'm using . In local,when I set environment varible mannually using Run >> Run Configuation.. command in eclipse then my code is working fine but it is not working in Open shift cloud .

@Value("#{systemProperties['OPENSHIFT_MYSQL_DB_HOST']}")
String host;

@Value("#{systemProperties['OPENSHIFT_MYSQL_DB_PORT']}") 
String port; 

@Bean

public DataSource dataSource() {
    DriverManagerDataSource dataSource = new DriverManagerDataSource();
    dataSource.setUrl(String.format(url,host,port));
    dataSource.setDriverClassName(driverClass);
    dataSource.setUsername(username);
    dataSource.setPassword(password);
    return dataSource;
}

Answer 1

never mind . i'm able to resolve it using below code but not sure why SpEL was not working . thanks much !!

 @Value("${OPENSHIFT_MYSQL_DB_HOST}")
 String host;

 @Value("${OPENSHIFT_MYSQL_DB_PORT}") 
 String port;