Solve SVN E170000: Unrecognized URL scheme for http or https

1. First check svn version and module used command
    $ svn --version

2. If not include ra_serf module, please download newer subversion package.

3. decompress subversion package. use command download ra_serf module.
    $ tar zxvf subversion-1.9.2.tar
    $ cd subversion-1.9.2
    $ sh get-deps.sh serf
    $ ./configure
    $ make
    $ make install

4. Check again svn module, have ra_serf module.
    $ svn --version

5. Finish, you can access HTTP or HTTPS repository.

ps. purple color is input command.