Resurrecting directories not working?

The folder Application/ApExplorer was erroneously been deleted our
repository in revision 115. We're now on revision 117.
 
The SVN book suggests -- at http://svnbook.red-bean.com/svnbook/ch04s04.html
-- that by using the `svn copy` command one can copy back in a deleted
revision for a file or directory.
 
I just can't get it to work. I've copied below the commands that I've used,
but don't understand why I'm repeatedly getting the errors that I do. I've
deleted and rechecked out a number of times, just in case. I've tried
searching the Tigris.org mailing list but it keeps giving me Servlet errors.
("Message not available: 48843", etc.)

No doubt I'm doing something stupid. Any advice would be greatly
appreciated.
A

--
 
# cd Application
# svn up
At revision 117.
# svn copy --revision 114
svn+ssh://localhost/opt/svn/co/trunk/Source/Application/ApExplorer .
svn: Working copy '.' locked
svn: run 'svn cleanup' to remove locks (type 'svn help cleanup' for details)
# svn status
?      ApExplorer
# cd ..
# svn status
?      Application/ApExplorer
# cd Application
[Note how nothing is marked 'L'ocked...]
# svn help cleanup
[etc., not much use]
# svn cleanup
# svn copy --revision 114
svn+ssh://localhost/opt/svn/co/trunk/Source/Application/ApExplorer .
svn: 'ApExplorer' is in the way
[Ngh.]
# svn status
?      ApExplorer
[Ngh!]
# rm -rf ApExplorer
 
[Right, so try again, clean first this time...]
# svn up && svn cleanup
At revision 117.
# svn copy --revision 114
svn+ssh://localhost/opt/svn/co/trunk/Source/Application/ApExplorer .
svn: Working copy '.' locked
svn: run 'svn cleanup' to remove locks (type 'svn help cleanup' for details)
[Try again from a parent folder?]
# rm -rf ApExplorer
# cd ..
# svn up && svn cleanup
At revision 117.
# svn copy --revision 114
svn+ssh://localhost/opt/svn/co/trunk/Source/Application/ApExplorer
Application/
svn: Working copy 'Application' locked
svn: run 'svn cleanup' to remove locks (type 'svn help cleanup' for details)
# svn status
?      Application/ApExplorer
[FFS!]
 
[Try again, with specifying folder name instead of PWD:]
# cd Application
# rm -rf ApExplorer
# svn up && svn cleanup
At revision 117.
# svn copy --revision 114
svn+ssh://localhost/opt/svn/co/trunk/Source/Application/ApExplorer
ApExplorer
A  ApExplorer/ApExplorer/files
Checked out revision 114.
A         ApExplorer/ApExplorer
[Ngh. As I expected, two levels deep...]
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