[Typo3] unable to fork error

[J. Michael Adams]

Some program is attempting to execute an external program, and can't find it
or there is something wrong with the call. "Fork" means to start a new
process, and "exec()" is the function call that does it.

A call to exec() is equivalent to entering a command on the command-line -
the argument to the call is the command. The command in this case is:
diff c:/inetpub/wwwroot/dummysite/typo3temp/\dif41E.tmp
c:/inetpub/wwwroot/dummysite/typo3temp/\dif41F.tmp

"diff" is a command that compares 2 files. 

There seems to be a problem in the specification of the files.
First of all, this is Windows, which requires backslashes to separate
directories. The directories here are all separated by forward slashes, not
backslashes.

Secondly, the end of each argument looks like this: "typo3temp/\dif41x.tmp"
The "/\" is not valid. 

So one or both of those things is probably causing this problem (assuming
that the "diff" command is available). You (or someone) must have specified
a path with forward slashes in some parameter. The program probably noticed
that the directory specification did not end with a backslash, so it added
one.

Hope that helps

 - Michael

> -----Original Message-----
> From: Michael Stucki [mailto:michael at typo3.org] 
> Sent: Tuesday, October 25, 2005 11:04 PM
> To: typo3-english at lists.netfielders.de
> Subject: Re: [Typo3] unable to fork error
> 
> Roberts, Emma wrote:
> 
> > I've imported a t3d file and got this error -
> > 
> > Warning: exec(): Unable to fork  [diff 
> > c:/inetpub/wwwroot/dummysite/typo3temp/\dif41E.tmp
> > c:/inetpub/wwwroot/dummysite/typo3temp/\dif41F.tmp] in 
> > 
> c:\inetpub\wwwroot\dummysite\typo3\t3lib\class.t3lib_diff.php on line 
> > 168
> > 
> > The tree does seem to have imported though.  Can I just ignore the 
> > error and put it down to some php quirk?
> 
> No idea except that it is Windows specific.
> You can try another ImageMagick version, or alternatively, 
> disable it completely.
> 
> - michael
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