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[BUG] Subversion client reports false failure

From: Hyrum K. Wright <hyrum_wright_at_byu.edu>
Date: 2005-11-26 20:20:55 CET

I recently encountered a situation where the subversion client reported
a failure of a commit, even though the commit was successfully recorded
by the server. This would appear to be a bug, so I'm reporting it here.

I was working over a flaky wireless connection, and the connect dropped
during the 'Transmitting file data' portion of the commit. After
waiting for quite some time, the client returned an error saying the
commit had failed.

Meanwhile, I was using some independent tools (in this case, Trac) on
the server, and it noted that the commit had succeeded. Sure enough,
when I ran an update, the changes were pulled down from the server and
merged into my working copy. Running a diff verified that the changes
pulled down were indeed my changes.

This may be a rarely encountered race condition, or simply a consequence
of my connect dropping at the right moment. I'm not familiar enough
with the code in question to make that determination.

A complete transcript of the session is recorded below. I'm running the
latest from trunk, with maintainer mode enabled, connecting to a remote
repository over https.

-Hyrum

-------------------8<---------------------------
[hkw2@localhost firmware]$ svn st
? phase1/phase1.s
? phase1/phase1.hex
? phase1/main.s
? phase1/phase1.ee.hex
M include/aros_internal.h
M include/aros.h
M aros/aros.c
[hkw2@localhost firmware]$ svn diff | less
[hkw2@localhost firmware]$ svn ci
Sending firmware/aros/aros.c
Sending firmware/include/aros.h
Sending firmware/include/aros_internal.h
Transmitting file data ...subversion/libsvn_client/commit.c:862:
(apr_err=175002)
svn: Commit failed (details follow):
subversion/libsvn_ra_dav/util.c:296: (apr_err=175002)
svn: DELETE of '/svn/!svn/act/e450d46d-7c06-0410-a417-e00e3ce1467e': SSL
negotiation failed: SSL error: (null) (https://rocket.brucec.net)
subversion/clients/cmdline/util.c:417: (apr_err=175002)
svn: Your commit message was left in a temporary file:
subversion/clients/cmdline/util.c:417: (apr_err=175002)
svn: '/home/hkw2/school/rocket/avionics/svn-commit.2.tmp'
[hkw2@localhost firmware]$ svn st
? phase1/phase1.s
? phase1/phase1.hex
? phase1/main.s
? phase1/phase1.ee.hex
M include/aros_internal.h
M include/aros.h
M aros/aros.c
[hkw2@localhost firmware]$ svn up
subversion/libsvn_ra_dav/util.c:827: (apr_err=175002)
svn: PROPFIND request failed on '/svn/avionics/firmware'
subversion/libsvn_ra_dav/util.c:296: (apr_err=175002)
svn: PROPFIND of '/svn/avionics/firmware': Could not resolve hostname
`rocket.brucec.net': Host not found (https://rocket.brucec.net)
[hkw2@localhost firmware]$ svn up
G include/aros_internal.h
G include/aros.h
G aros/aros.c
Updated to revision 40.
[hkw2@localhost firmware]$ svn diff
[hkw2@localhost firmware]$ svn st
? phase1/phase1.s
? phase1/phase1.hex
? phase1/main.s
? phase1/phase1.ee.hex
[hkw2@localhost firmware]$
------------------------8<-----------------

Received on Sat Nov 26 20:22:05 2005

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