private RepositoryConfiguration initialiseRepositoryConfiguration(URL configUrl) throws Exception {
        RepositoryConfiguration config = RepositoryConfiguration.read(configUrl);
        if (config.getCacheConfiguration() == null)
            return config; // No cache configuration specified so nothing to do

        InputStream cacheConfigStream = FileLookupFactory.newInstance().lookupFileStrict(config.getCacheConfiguration(), Thread.currentThread().getContextClassLoader());
        if (cacheConfigStream == null)
            return config; // Cannot find the file so not much point in going further

        //
        // * Read the contents of the cache configuration stream
        // * While reading each line, check for the syntax ${xxx} and if found
        // *           replace with the associated java system property
        // * Write the new configuration out to a temporary file
        // * Set the cache configuration property to point to the temporary file instead
        // * Return a new configuration based on the edited value
        //
        BufferedReader reader = null;
        FileWriter writer = null;
        try {
            // Read the cache configuration stream
            reader = new BufferedReader(new InputStreamReader(cacheConfigStream));

            StringBuilder builder = new StringBuilder();
            String line;

            while ((line = reader.readLine()) != null) {
                // No need to replace properties if line does not contain any
                if (line.contains(DOLLAR_SIGN + OPEN_BRACE)) {
                    //
                    // Calls infinispan function that SHOULD have already been called
                    //
                    line = StringPropertyReplacer.replaceProperties(line);
                }

                builder.append(line);
                builder.append(NEW_LINE);
            }

            // Create a new temporary file for new configuration
            String configFilePrefix = "replacement-" + config.getName(); //$NON-NLS-1$
            File tempConfigFile = File.createTempFile(configFilePrefix, DOT + XML);
            tempConfigFile.deleteOnExit();
            writer = new FileWriter(tempConfigFile);
            writer.write(builder.toString());

            //
            // Fetch the editable version of the current config and update the
            // cache configuration path to point to the temporary file
            //
            Editor editor = config.edit();
            EditableDocument storageDoc = editor.getDocument(FieldName.STORAGE);
            storageDoc.setString(FieldName.CACHE_CONFIGURATION, tempConfigFile.getAbsolutePath());

            // Create a new repository configuration based on the original
            config = new RepositoryConfiguration(editor, configFilePrefix);
        } finally {
            if (reader != null)
                reader.close();
            if (writer != null)
                writer.close();
        }

        return config;
    }