public String getUrl() {
        return (String) getEnvironmentProperty(Context.PROVIDER_URL);
    }
Returns the LDAP url to connect to. (e.g. ldap://&lt;ldapDirectoryHostname&gt;:&lt;port&gt;).
This must be configured.

@return the LDAP url to connect to. (e.g. ldap://&lt;ldapDirectoryHostname&gt;:&lt;port&gt;)
core/src/main/java/org/apache/shiro/realm/ldap/JndiLdapContextFactory.java