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From <Jan.Mate...@rzf.fin-nrw.de>
Subject AW: Exec on Windows ignores return code?
Date Wed, 25 Apr 2007 07:43:28 GMT
Modify your batch file so that it does not use the /B flag.

Alternatively your batch could write a file as error marker and your buildfile could check
that via <available>.


Jan 

>-----Urspr√ľngliche Nachricht-----
>Von: Chris Dudley [mailto:chris.dudley@gmail.com] 
>Gesendet: Mittwoch, 25. April 2007 09:36
>An: Ant Users List
>Betreff: Re: Exec on Windows ignores return code?
>
>So how can I get ANT to detect when the batch file goes bang?
>I tried getting ANT to invoke the batch file direct instead of
>invoking cmd /c test.bat and that made no difference.
>
>ANT invokes a bash shell on unix and then runs a shell script in that
>and yet return codes work there, just not on Windows.
>
>
>
>On 4/25/07, Jan.Materne@rzf.fin-nrw.de 
><Jan.Materne@rzf.fin-nrw.de> wrote:
>> Works for me, BUT you must not use the /B in your batch file.
>> Have a look at the help with "help exit" - /B just sets the 
>error code
>> for the _batchfile_, but Ant is not executing the batchfile.
>> Ant executes the shell!
>>
>>
>> Jan
>>
>> >-----Urspr√ľngliche Nachricht-----
>> >Von: Chris Dudley [mailto:chris.dudley@gmail.com]
>> >Gesendet: Dienstag, 24. April 2007 19:30
>> >An: user@ant.apache.org
>> >Betreff: Exec on Windows ignores return code?
>> >
>> >Apologies if this is a FAQ or a known problem but I couldn't find
>> >anything useful in the archives, google or in bugzilla.
>> >
>> >I am having trouble with the exec task on Windows.
>> >It seems to me that regardless of what the executable returns, ANT
>> >always claims the return code on Windows is 0.
>> >
>> >The code below runs a simple test batch file. The batch file is
>> >hardcoded to always return 1. Running the batch file from a command
>> >prompt and then echoing %ERRORLEVEL% does indeed show the 
>return code
>> >to be 1 and not 0.
>> >
>> >So where is ANT getting the 0 return code from?
>> >
>> >I have tried a similar test on Linux and UNIX (not using a batch
>> >script of course) and it works perfectly.
>> >
>> >But yet I don't think this is a peculiarity of Windows since
>> >%ERRORLEVEL% is being set correctly - ANT just isn't picking it up.
>> >
>> >I have tried ANT 1.6.2, 1.6.5 and 1.7.0 - all seem to 
>exhibit the same
>> >behaviour.
>> >
>> >I am hoping there is a workaround or a simple solution to something
>> >stupid I've done!
>> >
>> >Thanks!
>> >
>> >This is the ANT snippet:
>> >
>> ><property name="test.dir" value="c:\install"/>
>> ><exec executable="cmd" failonerror="true" resultproperty="error" >
>> ><arg line="/c ${test.dir}\test.bat"/>
>> ></exec>
>> ><echo message="error=${error}"/>
>> >
>> >test.bat contains just one line:
>> >
>> >exit /B 1
>> >
>> >This is what comes out when ant is run with debug on:
>> >
>> >     [exec] Current OS is Windows XP
>> >     [exec] Executing 'cmd' with arguments:
>> >     [exec] '/c'
>> >     [exec] 'C:\install\test.bat'
>> >     [exec]
>> >     [exec] The ' characters around the executable and arguments are
>> >     [exec] not part of the command.
>> >Execute:Java13CommandLauncher: Executing 'cmd' with arguments:
>> >'/c'
>> >'C:\install\test.bat'
>> >
>> >The ' characters around the executable and arguments are
>> >not part of the command.
>> >     [exec]
>> >     [exec] C:\>exit /B 1
>> >Setting project property: error -> 0
>> >     [echo] error=0
>> >
>> >I really want ANT to abort the build if the executable returns
>> >non-zero, which works fine on UNIX but I need it to work on Windows
>> >too.
>> >
>> >Any ideas please?
>> >
>> 
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>> >
>>
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