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=== 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).

;`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 [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|BUGS]].

;`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 [[cvs: Direct connection with password authentication#Direct connection with password authentication|Password authenticated]].

;`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 [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|BUGS]]. If you experience this error while using CVS, retrying the operation which produced it should work fine.

;`cvs <nowiki>[</nowiki>server aborted<nowiki>]</nowiki>: Cannot check out files into the repository itself` : The obvious cause for this message (especially for non-client/server CVS) is that the CVS root is, for example, ‘`/usr/local/cvsroot`’ and you try to check out files when you are in a subdirectory, such as ‘`/usr/local/cvsroot/test`’. However, there is a more subtle cause, which is that the temporary directory on the server is set to a subdirectory of the root (which is also not allowed). If this is the problem, set the temporary directory to somewhere else, for example ‘`/var/tmp`’; see `TMPDIR` in [[cvs: All environment variables which affect CVS#All environment variables which affect CVS|Environment variables]], for how to set the temporary directory.

;`cannot commit files as 'root'` : See ‘`'root' is not allowed to commit files`’.

;`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 (see [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|BUGS]]). Usually there is a workaround—the exact nature of which would depend on the situation but which hopefully could be figured out.

;`cvs <nowiki>[</nowiki>init aborted<nowiki>]</nowiki>: 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 server: cannot open /root/.cvsignore: Permission denied` ;`cvs <nowiki>[</nowiki>server aborted<nowiki>]</nowiki>: can't chdir(/root): Permission denied` : See [[cvs: Trouble making a connection to a CVS server#Trouble making a connection to a CVS server|Connection]].

;`cvs <nowiki>[</nowiki>checkout aborted<nowiki>]</nowiki>: 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 [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|BUGS]].

;`cvs <nowiki>[</nowiki>command aborted<nowiki>]</nowiki>: 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 [[cvs: The Repository#The Repository|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 (see [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|BUGS]]).

;`cvs <nowiki>[</nowiki>login aborted<nowiki>]</nowiki>: 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 [[cvs: All environment variables which affect CVS#All environment variables which affect CVS|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 <nowiki>[</nowiki>update aborted<nowiki>]</nowiki>: 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 [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|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 [[cvs: Remote repositories#Remote repositories|Remote repositories]].

;`cvs <nowiki>[</nowiki>update aborted<nowiki>]</nowiki>: EOF in key in RCS file file,v` ;`cvs <nowiki>[</nowiki>checkout aborted<nowiki>]</nowiki>: EOF while looking for end of string in RCS file file,v` : This means that there is a syntax error in the given RCS file. Note that this might be true even if RCS can read the file OK; CVS does more error checking of errors in the RCS file. That is why you may see this message when upgrading from CVS 1.9 to CVS 1.10. The likely cause for the original corruption is hardware, the operating system, or the like. Of course, if you find a case in which CVS seems to corrupting the file, by all means report it, (see [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|BUGS]]). There are quite a few variations of this error message, depending on exactly where in the RCS file CVS finds the syntax error.

;`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 [[cvs: The modules file#The modules file|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.

;`cvs <nowiki>[</nowiki>checkout aborted<nowiki>]</nowiki>: no such tag tag` : This message means that CVS isn’t familiar with the tag tag. Usually this means that you have mistyped a tag name; however there are (relatively obscure) cases in which CVS will require you to try a few other CVS commands involving that tag, before you find one which will cause CVS to update the ‘`val-tags`’ file; see discussion of val-tags in [[cvs: File permissions#File permissions|File permissions]]. You only need to worry about this once for a given tag; when a tag is listed in ‘`val-tags`’, it stays there. Note that using ‘`-f`’ to not require tag matches does not override this check; see [[cvs: Common command options#Common command options|Common options]].

;`*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 (see [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|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), as well as an old version of CVS. CVS 1.9.18 and earlier only work with RCS version 5 and later; current versions of CVS do not run RCS programs.

;`cvs <nowiki>[</nowiki>server aborted<nowiki>]</nowiki>: 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 [[cvs: Dealing with bugs in CVS or this manual#Dealing with bugs in CVS or this manual|BUGS]].

;`'root' is not allowed to commit files` : When committing a permanent change, CVS makes a log entry of who committed the change. If you are committing the change logged in as "root" (not under "su" or other root-priv giving program), CVS cannot determine who is actually making the change. As such, by default, CVS disallows changes to be committed by users logged in as "root". (You can disable this option by passing the `--enable-rootcommit` option to ‘`configure`’ and recompiling CVS. On some systems this means editing the appropriate ‘`config.h`’ file before building CVS.)

;`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 <nowiki>[</nowiki>update aborted<nowiki>]</nowiki>: unexpected EOF reading file,v` : See ‘`EOF in key in RCS file`’.

;`cvs <nowiki>[</nowiki>login aborted<nowiki>]</nowiki>: unrecognized auth response from server` : This message typically means that the server is not set up properly. For example, if ‘`inetd.conf`’ points to a nonexistent cvs executable. To debug it further, find the log file which inetd writes (‘`/var/log/messages`’ or whatever inetd uses on your system). For details, see [[cvs: Trouble making a connection to a CVS server#Trouble making a connection to a CVS server|Connection]], and [[cvs: Setting up the server for password authentication#Setting up the server for password authentication|Password authentication server]].

;`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 file`’ and you are ready to `cvs commit`. If it detects conflicts it will print a message saying so, will report ‘`C file`’, and you need to manually resolve the conflict. For more details on this process see [[cvs: Conflicts example#Conflicts example|Conflicts example]].

;`Usage: diff3 <nowiki>[</nowiki>-exEX3 <nowiki>[</nowiki>-i | -m<nowiki>]</nowiki> <nowiki>[</nowiki>-L label1 -L label3<nowiki>]]</nowiki> file1 file2 file3`
Only one of <nowiki>[</nowiki>exEX3<nowiki>]</nowiki> 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: <nowiki>[</nowiki>time<nowiki>]</nowiki> waiting for user's lock in directory` : This is a normal message, not an error. See [[cvs: Several developers simultaneously attempting to run CVS#Several developers simultaneously attempting to run CVS|Concurrency]], for more details.

;`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

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Next: [[cvs: Trouble making a connection to a CVS server#Trouble making a connection to a CVS server|Connection]], Up: [[cvs: Troubleshooting#Troubleshooting|Troubleshooting]] |[[cvs: Index#SEC_Contents|Contents]]||[[cvs: Index#Index|Index]]|

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