Method include

src/main/java/freemarker/core/Environment.java:1460–1464

Emulates include directive, except that name must be tempate root relative. It's the same as include(getTemplateForInclusion(name, encoding, parse)) . But, you may want to separately call these two methods, so you can determine the source of exceptions more

(String name, String encoding, boolean parse)

     * @see #include(Template includedTemplate)
     */
    public void include(String name, String encoding, boolean parse)
    throws IOException, TemplateException
    {
        include(getTemplateForInclusion(name, encoding, parse));
    }

    /**
     * Gets a template for inclusion; used with {@link #include(Template includedTemplate)}.