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From: Jeannot Lelapin <jeannot DOT lelapin AT free DOT fr>
Subject:  Re: Launching java process trouble
Date:  Thu, 15 Nov 2007 08:18:54 +0100
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Hello Larry,

Thank's dor your explanation.

i read all the cygwin cron man page ( prehaps i don't how to do that ). 
I didn't find another explanation.
In the control panel..... i check the "Allow service to interact with 
desktop"

And no. the java process does not start. I don't know what i can do.

Best regards,

Jeannot Lelapin


Larry Hall (Cygwin) wrote:

> Jeannot Lelapin wrote:
> 
>> Hello,
>>
>> under WinXP Pro, i do the following :
>> - from cygwin ( environment whicj simulate unix environment ), a bash
>> script which launch,
>> - an Win32 executable ( http://www.autoitscript.com/ autoit script
>> compiled ) which launch,
>> - a java process.
>>
>> This works fine when i launch tue bash script manually. If i launch the
>> bash script from cron ( cygwin unix planner ), the process java does not
>> start.
>>
>> With http://www.gibinsoft.net/gipoutils/scheduler/ ( great win32 planner
>> ), which launch the autoit script complied into win32 executable which
>> launch the process java, that's ok, the java process start.
>>
>> Why does not java process start from cygwin cron planner ? what's the
>> problem ? What does it lack from the environment ?
>>
>> Thank's a lot for ideas and advices.
> 
> 
> 
> First, cron does not provide you with the exact same set of environment
> variables that you get when you're in an interactive shell.  See the man
> pages for 'cron' and 'crontab' for more details.  This is not a 
> Cygwin-specific issue and as such is off-topic for this list.
> 
> Second, in Cygwin, cron is run as a service by (typically) the SYSTEM
> account.  If your program requires interaction with the Windows desktop to
> work, you have to enable this setting on the service.  It's probably 
> easiest
> to do from "Administrative Tools" in the "Control Panel".  Go to "Services"
> and find the cron service.  Double click on it and choose the "Log On"
> tab.  Check the "Allow service to interact with desktop".
> 


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