Nitin Ram Nitin Ram - 2 years ago 96
Java Question

Reading properties file from $TOMCAT_HOME\lib

We have a tiny Web Application using Tomcat server. All the database details are in a properties file as key value pairs for the

to read.

To make it easily managable for the server team, the properties file needs to go to
folder. The Hibernate config file is in:

and it can be accessed by the application classes.

The hibernate config file doesn't seem to read

My prime requirement is that the properties file should reside in $TOMCAT_HOME/lib.

Can anyone please suggest me the right thing to do.

Thanks in advance..!

Answer Source

Thank you V33R and Chetan. Both of your comments had given me a direction. I used the system property


instead of catalina.base which wasn't pointing to the right location I needed. The below is what I finally did:

    private static Properties extractPropertiesFile() throws FileNotFoundException, IOException{

    String propertiesFilePath = System.getProperty("catalina.home") +
            File.separator + "lib"+ File.separator + "";

    Properties properties = new Properties();
    properties.load(new FileInputStream(propertiesFilePath));

    return properties;

I had to remove the DB properties which were set in the hibernate.cfg.xml file to the below method. I tried loading the extracted properties file, but was not working as expected and hence loaded them into Hibernate.cfg.Configuration instance as below. To build Session Factory:

 private static SessionFactory buildSessionFactory() {

        try {
            Configuration configuration = new Configuration();
            Properties properties = extractPropertiesFile();


            // The properties below are extracted from $TOMCAT_HOME/lib/
            configuration.setProperty("hibernate.connection.driver_class", properties.getProperty("propertyfile.database.driver.classname"));
            serviceRegistry = new ServiceRegistryBuilder().applySettings(
                    configuration.getProperties()). buildServiceRegistry();
            sessionFactory = configuration.buildSessionFactory(serviceRegistry);
        } catch (HibernateException e) {
            // TODO Auto-generated catch block
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
        } catch (IOException e) {
            // TODO Auto-generated catch block

Public Method to get SessionFactory

    public static SessionFactory getSessionFactory() {

    if(sessionFactory == null){
        sessionFactory = buildSessionFactory();
    return sessionFactory;
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