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This is Info file cvs.info, produced by Makeinfo version 1.67 from the
input file ./cvs.texinfo.
START-INFO-DIR-ENTRY
* CVS: (cvs). Concurrent Versions System
END-INFO-DIR-ENTRY
Copyright (C) 1992, 1993 Signum Support AB Copyright (C) 1993, 1994
Free Software Foundation, Inc.
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.
Permission is granted to copy and distribute modified versions of
this manual under the conditions for verbatim copying, provided also
that the entire resulting derived work is distributed under the terms
of a permission notice identical to this one.
Permission is granted to copy and distribute translations of this
manual into another language, under the above conditions for modified
versions, except that this permission notice may be stated in a
translation approved by the Free Software Foundation.
File: cvs.info, Node: Error messages, Next: Connection, Up: Troubleshooting
Partial list of error messages
==============================
Here is a partial list of error messages that you may see from CVS.
It is not a complete list--CVS is capable of printing many, many error
messages, often with parts of them supplied by the operating system,
but the intention is to list the common and/or potentially confusing
error messages.
The messages are alphabetical, but introductory text such as `cvs
update: ' is not considered in ordering them.
In some cases the list includes messages printed by old versions of
CVS (partly because users may not be sure which version of CVS they are
using at any particular moment).
`cvs COMMAND: authorization failed: server HOST rejected access'
This is a generic response when trying to connect to a pserver
server which chooses not to provide a specific reason for denying
authorization. Check that the username and password specified are
correct and that the CVSROOT specified is allowed by -allow-root
in inetd.conf. See *Note Password authenticated::.
`FILE:LINE: Assertion 'TEXT' failed'
The exact format of this message may vary depending on your
system. It indicates a bug in CVS, which can be handled as
described in *Note BUGS::.
`cvs COMMAND: conflict: removed FILE was modified by second party'
This message indicates that you removed a file, and someone else
modified it. To resolve the conflict, first run `cvs add FILE'.
If desired, look at the other party's modification to decide
whether you still want to remove it. If you don't want to remove
it, stop here. If you do want to remove it, proceed with `cvs
remove FILE' and commit your removal.
`cannot change permissions on temporary directory'
Operation not permitted
This message has been happening in a non-reproducible, occasional
way when we run the client/server testsuite, both on Red Hat Linux
3.0.3 and 4.1. We haven't been able to figure out what causes it,
nor is it known whether it is specific to linux (or even to this
particular machine!). If the problem does occur on other unices,
`Operation not permitted' would be likely to read `Not owner' or
whatever the system in question uses for the unix `EPERM' error.
If you have any information to add, please let us know as
described in *Note BUGS::. If you experience this error while
using CVS, retrying the operation which produced it should work
fine.
`cannot open CVS/Entries for reading: No such file or directory'
This generally indicates a CVS internal error, and can be handled
as with other CVS bugs (*note BUGS::.). Usually there is a
workaround--the exact nature of which would depend on the
situation but which hopefully could be figured out.
`cvs [init aborted]: cannot open CVS/Root: No such file or directory'
This message is harmless. Provided it is not accompanied by other
errors, the operation has completed successfully. This message
should not occur with current versions of CVS, but it is documented
here for the benefit of CVS 1.9 and older.
`cvs [checkout aborted]: cannot rename file FILE to CVS/,,FILE: Invalid argument'
This message has been reported as intermittently happening with
CVS 1.9 on Solaris 2.5. The cause is unknown; if you know more
about what causes it, let us know as described in *Note BUGS::.
`cvs [COMMAND aborted]: cannot start server via rcmd'
This, unfortunately, is a rather nonspecific error message which
CVS 1.9 will print if you are running the CVS client and it is
having trouble connecting to the server. Current versions of CVS
should print a much more specific error message. If you get this
message when you didn't mean to run the client at all, you
probably forgot to specify `:local:', as described in *Note
Repository::.
`ci: FILE,v: bad diff output line: Binary files - and /tmp/T2a22651 differ'
CVS 1.9 and older will print this message when trying to check in
a binary file if RCS is not correctly installed. Re-read the
instructions that came with your RCS distribution and the INSTALL
file in the CVS distribution. Alternately, upgrade to a current
version of CVS, which checks in files itself rather than via RCS.
`cvs checkout: could not check out FILE'
With CVS 1.9, this can mean that the `co' program (part of RCS)
returned a failure. It should be preceded by another error
message, however it has been observed without another error
message and the cause is not well-understood. With the current
version of CVS, which does not run `co', if this message occurs
without another error message, it is definitely a CVS bug (*note
BUGS::.).
`cvs [login aborted]: could not find out home directory'
This means that you need to set the environment variables that CVS
uses to locate your home directory. See the discussion of HOME,
HOMEDRIVE, and HOMEPATH in *Note Environment variables::.
`cvs update: could not merge revision REV of FILE: No such file or directory'
CVS 1.9 and older will print this message if there was a problem
finding the `rcsmerge' program. Make sure that it is in your
`PATH', or upgrade to a current version of CVS, which does not
require an external `rcsmerge' program.
`cvs [update aborted]: could not patch FILE: No such file or directory'
This means that there was a problem finding the `patch' program.
Make sure that it is in your `PATH'. Note that despite
appearances the message is *not* referring to whether it can find
FILE. If both the client and the server are running a current
version of CVS, then there is no need for an external patch
program and you should not see this message. But if either client
or server is running CVS 1.9, then you need `patch'.
`cvs update: could not patch FILE; will refetch'
This means that for whatever reason the client was unable to apply
a patch that the server sent. The message is nothing to be
concerned about, because inability to apply the patch only slows
things down and has no effect on what CVS does.
`dying gasps from SERVER unexpected'
There is a known bug in the server for CVS 1.9.18 and older which
can cause this. For me, this was reproducible if I used the `-t'
global option. It was fixed by Andy Piper's 14 Nov 1997 change to
src/filesubr.c, if anyone is curious. If you see the message, you
probably can just retry the operation which failed, or if you have
discovered information concerning its cause, please let us know as
described in *Note BUGS::.
`end of file from server (consult above messages if any)'
The most common cause for this message is if you are using an
external `rsh' program and it exited with an error. In this case
the `rsh' program should have printed a message, which will appear
before the above message. For more information on setting up a
CVS client and server, see *Note Remote repositories::.
`cvs commit: Executing 'mkmodules''
This means that your repository is set up for a version of CVS
prior to CVS 1.8. When using CVS 1.8 or later, the above message
will be preceded by
cvs commit: Rebuilding administrative file database
If you see both messages, the database is being rebuilt twice,
which is unnecessary but harmless. If you wish to avoid the
duplication, and you have no versions of CVS 1.7 or earlier in
use, remove `-i mkmodules' every place it appears in your `modules'
file. For more information on the `modules' file, see *Note
modules::.
`missing author'
Typically this can happen if you created an RCS file with your
username set to empty. CVS will, bogusly, create an illegal RCS
file with no value for the author field. The solution is to make
sure your username is set to a non-empty value and re-create the
RCS file.
`*PANIC* administration files missing'
This typically means that there is a directory named CVS but it
does not contain the administrative files which CVS puts in a CVS
directory. If the problem is that you created a CVS directory via
some mechanism other than CVS, then the answer is simple, use a
name other than CVS. If not, it indicates a CVS bug (*note
BUGS::.).
`rcs error: Unknown option: -x,v/'
This message will be followed by a usage message for RCS. It
means that you have an old version of RCS (probably supplied with
your operating system). CVS only works with RCS version 5 and
later.
`cvs [server aborted]: received broken pipe signal'
This message seems to be caused by a hard-to-track-down bug in CVS
or the systems it runs on (we don't know--we haven't tracked it
down yet!). It seems to happen only after a CVS command has
completed, and you should be able to just ignore the message.
However, if you have discovered information concerning its cause,
please let us know as described in *Note BUGS::.
`Too many arguments!'
This message is typically printed by the `log.pl' script which is
in the `contrib' directory in the CVS source distribution. In
some versions of CVS, `log.pl' has been part of the default CVS
installation. The `log.pl' script gets called from the `loginfo'
administrative file. Check that the arguments passed in `loginfo'
match what your version of `log.pl' expects. In particular, the
`log.pl' from CVS 1.3 and older expects the logfile as an argument
whereas the `log.pl' from CVS 1.5 and newer expects the logfile to
be specified with a `-f' option. Of course, if you don't need
`log.pl' you can just comment it out of `loginfo'.
`cvs commit: Up-to-date check failed for `FILE''
This means that someone else has committed a change to that file
since the last time that you did a `cvs update'. So before
proceeding with your `cvs commit' you need to `cvs update'. CVS
will merge the changes that you made and the changes that the
other person made. If it does not detect any conflicts it will
report `M cacErrCodes.h' and you are ready to `cvs commit'. If it
detects conflicts it will print a message saying so, will report
`C cacErrCodes.h', and you need to manually resolve the conflict.
For more details on this process see *Note Conflicts example::.
`Usage: diff3 [-exEX3 [-i | -m] [-L label1 -L label3]] file1 file2 file3'
Only one of [exEX3] allowed
This indicates a problem with the installation of `diff3' and
`rcsmerge'. Specifically `rcsmerge' was compiled to look for GNU
diff3, but it is finding unix diff3 instead. The exact text of
the message will vary depending on the system. The simplest
solution is to upgrade to a current version of CVS, which does not
rely on external `rcsmerge' or `diff3' programs.
`warning: unrecognized response `TEXT' from cvs server'
If TEXT contains a valid response (such as `ok') followed by an
extra carriage return character (on many systems this will cause
the second part of the message to overwrite the first part), then
it probably means that you are using the `:ext:' access method
with a version of rsh, such as most non-unix rsh versions, which
does not by default provide a transparent data stream. In such
cases you probably want to try `:server:' instead of `:ext:'. If
TEXT is something else, this may signify a problem with your CVS
server. Double-check your installation against the instructions
for setting up the CVS server.
`cvs commit: warning: editor session failed'
This means that the editor which CVS is using exits with a nonzero
exit status. Some versions of vi will do this even when there was
not a problem editing the file. If so, point the CVSEDITOR
environment variable to a small script such as:
#!/bin/sh
vi $*
exit 0
File: cvs.info, Node: Connection, Next: Other problems, Prev: Error messages, Up: Troubleshooting
Trouble making a connection to a CVS server
===========================================
This section concerns what to do if you are having trouble making a
connection to a CVS server. If you are running the CVS command line
client running on Windows, first upgrade the client to CVS 1.9.12 or
later. The error reporting in earlier versions provided much less
information about what the problem was. If the client is non-Windows,
CVS 1.9 should be fine.
If the error messages are not sufficient to track down the problem,
the next steps depend largely on which access method you are using.
`:ext:'
Try running the rsh program from the command line. For example:
"rsh servername cvs -v" should print CVS version information. If
this doesn't work, you need to fix it before you can worry about
CVS problems.
`:server:'
You don't need a command line rsh program to use this access
method, but if you have an rsh program around, it may be useful as
a debugging tool. Follow the directions given for :ext:.
`:pserver:'
One good debugging tool is to "telnet servername 2401". After
connecting, send any text (for example "foo" followed by return).
If CVS is working correctly, it will respond with
cvs [pserver aborted]: bad auth protocol start: foo
If this fails to work, then make sure inetd is working right.
Change the invocation in inetd.conf to run the echo program
instead of cvs. For example:
2401 stream tcp nowait root /bin/echo echo hello
After making that change and instructing inetd to re-read its
configuration file, "telnet servername 2401" should show you the
text hello and then the server should close the connection. If
this doesn't work, you need to fix it before you can worry about
CVS problems.
On AIX systems, the system will often have its own program trying
to use port 2401. This is AIX's problem in the sense that port
2401 is registered for use with CVS. I hear that there is an AIX
patch available to address this problem.
File: cvs.info, Node: Other problems, Prev: Connection, Up: Troubleshooting
Other common problems
=====================
Here is a list of problems which do not fit into the above
categories. They are in no particular order.
* If you are running CVS 1.9.18 or older, and `cvs update' finds a
conflict and tries to merge, as described in *Note Conflicts
example::, but doesn't tell you there were conflicts, then you may
have an old version of RCS. The easiest solution probably is to
upgrade to a current version of CVS, which does not rely on
external RCS programs.
File: cvs.info, Node: Credits, Next: BUGS, Prev: Troubleshooting, Up: Top
Credits
*******
Roland Pesch, then of Cygnus Support <roland@wrs.com> wrote the
manual pages which were distributed with CVS 1.3. Much of their text
was copied into this manual. He also read an early draft of this
manual and contributed many ideas and corrections.
The mailing-list `info-cvs' is sometimes informative. I have
included information from postings made by the following persons: David
G. Grubbs <dgg@think.com>.
Some text has been extracted from the man pages for RCS.
The CVS FAQ by David G. Grubbs has provided useful material. The
FAQ is no longer maintained, however, and this manual is about the
closest thing there is to a successor (with respect to documenting how
to use CVS, at least).
In addition, the following persons have helped by telling me about
mistakes I've made:
Roxanne Brunskill <rbrunski@datap.ca>,
Kathy Dyer <dyer@phoenix.ocf.llnl.gov>,
Karl Pingle <pingle@acuson.com>,
Thomas A Peterson <tap@src.honeywell.com>,
Inge Wallin <ingwa@signum.se>,
Dirk Koschuetzki <koschuet@fmi.uni-passau.de>
and Michael Brown <brown@wi.extrel.com>.
The list of contributors here is not comprehensive; for a more
complete list of who has contributed to this manual see the file
`doc/ChangeLog' in the CVS source distribution.
File: cvs.info, Node: BUGS, Next: Index, Prev: Credits, Up: Top
Dealing with bugs in CVS or this manual
***************************************
Neither CVS nor this manual is perfect, and they probably never will
be. If you are having trouble using CVS, or think you have found a
bug, there are a number of things you can do about it. Note that if
the manual is unclear, that can be considered a bug in the manual, so
these problems are often worth doing something about as well as
problems with CVS itself.
* If you want someone to help you and fix bugs that you report,
there are companies which will do that for a fee. Two such
companies are:
Signum Support AB
Box 2044
S-580 02 Linkoping
Sweden
Email: info@signum.se
Phone: +46 (0)13 - 21 46 00
Fax: +46 (0)13 - 21 47 00
http://www.signum.se/
Cyclic Software
United States of America
http://www.cyclic.com/
info@cyclic.com
* If you got CVS through a distributor, such as an operating system
vendor or a vendor of freeware CD-ROMs, you may wish to see
whether the distributor provides support. Often, they will provide
no support or minimal support, but this may vary from distributor
to distributor.
* If you have the skills and time to do so, you may wish to fix the
bug yourself. If you wish to submit your fix for inclusion in
future releases of CVS, see the file HACKING in the CVS source
distribution. It contains much more information on the process of
submitting fixes.
* There may be resources on the net which can help. Two good places
to start are:
http://www.cyclic.com
http://www.loria.fr/~molli/cvs-index.html
If you are so inspired, increasing the information available on
the net is likely to be appreciated. For example, before the
standard CVS distribution worked on Windows 95, there was a web
page with some explanation and patches for running CVS on Windows
95, and various people helped out by mentioning this page on
mailing lists or newsgroups when the subject came up.
* It is also possible to report bugs to `bug-cvs'. Note that
someone may or may not want to do anything with your bug
report--if you need a solution consider one of the options
mentioned above. People probably do want to hear about bugs which
are particularly severe in consequences and/or easy to fix,
however. You can also increase your odds by being as clear as
possible about the exact nature of the bug and any other relevant
information. The way to report bugs is to send email to
`bug-cvs@gnu.org'. Note that submissions to `bug-cvs' may be
distributed under the terms of the GNU Public License, so if you
don't like this, don't submit them. There is usually no
justification for sending mail directly to one of the CVS
maintainers rather than to `bug-cvs'; those maintainers who want
to hear about such bug reports read `bug-cvs'. Also note that
sending a bug report to other mailing lists or newsgroups is *not*
a substitute for sending it to `bug-cvs'. It is fine to discuss
CVS bugs on whatever forum you prefer, but there are not
necessarily any maintainers reading bug reports sent anywhere
except `bug-cvs'.
People often ask if there is a list of known bugs or whether a
particular bug is a known one. The file BUGS in the CVS source
distribution is one list of known bugs, but it doesn't necessarily try
to be comprehensive. Perhaps there will never be a comprehensive,
detailed list of known bugs.