-------- Original Message --------
Subject: exec (and apply) tasks cut off the output
From: Hudson <hud...@2enter.net>
To: user@ant.apache.org <user@ant.apache.org>
Date: Wed Jan 19 2011 15:10:39 GMT+0100 (CET)
> Hello,
>
> I try to build my project with the following ant statement.
> <exec executable="devenv.com" failonerror="false"
> resultproperty="buildresult">
> <arg value="@{testsolution}" />
> <arg value="/build" />
> <arg value="Debug" />
> <arg value="/project" />
> <arg value="@{project}" />
> </exec>
>
> There are some lines missing in the output from time to time (~50%).
To make sure to get all output from a excutable use resultproperty (rc),
outputproperty (stdout) and errorproperty (stderror) and then write all
that properties to ant log with <echo>.
Note, that for whatever reason some executables write stuff to stderr
even if there's no error, f.e. cleartool.exe etc. .. so IMO it's always
good to catch all channels.
Also i recommend to use failonerror=true, combined with some try catch
construct , see [1]
Sometimes one has to do even more, f.e if using <exec> with psexec
from Sysinternals on windows to call a remote executable you have to
redirect stdout and stderror to a file and load that file as property
again to get all output from the called executable :
someExecutable > your.log 2>&1
whereas the returncode comes back to the calling ant script.
Finally you should use loglevel debug to get more information,
setloglevel task recommended, see [2] =
<setloglevel level="debug"/>
<exec executable="devenv.com" failonerror="false"
resultproperty="buildresult">
<arg value="@{testsolution}" />
<arg value="/build" />
<arg value="Debug" />
> <arg value="/project" />
<arg value="@{project}" />
</exec>
<setloglevel level="info"/>
also possible to use the normal ant -debug -f yourfile.xml
Regards, Gilbert
[1] flaka
http://code.google.com/p/flaka/
http://flaka.googlecode.com/files/flaka.pdf
[2] setloglevel task
http://marc.info/?l=ant-user&m=125201552004975&w=2
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