Hey Robin,
Currently, the exec task will log all output that the external process
writes to stderr as warnings. I don't think we should consider all output to
stderr as actual errors.
I'd suggest fixing your buildhelper to return a non-zero exit code when
execution fails.
Gert
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Robin
McKenzie
Sent: woensdag 23 juli 2008 12:52
To: 'nant-developers@lists.sourceforge.net'
Subject: [nant-dev] Setting message level output from <exec> programs
Hi,
I'm interested in finding out how an external program, run through the <exec
program=""> NAnt command can produce <message> elements in the log file with
a level other than "Warning".
My build file contains:
<exec program="${BuildHelper.exe}">
<arg
value="-assembly:D:\data\Build\BuildHelperLib.dll"/>
<arg value="-type:Acturis.HelperLib.XmlFileUtil"/>
<arg value="-method:AttributeTransformXmlFile"/>
<arg
value="-param:${generateConfig.transform.XmlFile}"/>
<arg
value="-param:${generateConfig.source.XmlFile}"/>
<arg
value="-param:${generateConfig.outputConfigXmlFile}"/>
<arg
value="-param:${generateConfig.transform.Key}"/>
<arg value="-param:${generateConfig.env}"/>
</exec>
And the output generated is:
<task name="exec">
<message level="Info"><![CDATA[Invoking
D:\data\Build\BuildHelperLib.dll : SNIP...]]></message>
<message level="Warning"><![CDATA[Unhandled Exception:
System.Reflection.TargetInvocationException: Exception has been thrown by
the target of an invocation. ---> System.NullReferenceException: Object
reference not set to an instance of an object.]]></message>
<message level="Warning"><![CDATA[at
Acturis.HelperLib.XmlAttributeTransform.ApplyAttributeValueOverride(SNIP)]]>
</message>
<message level="Warning"><![CDATA[at
Acturis.HelperLib.XmlAttributeTransform.TransformXml(SNIP)]]></message>
<message level="Warning">Lots more warnings.</message>
<duration>13296.7899</duration>
</task>
However, I wish for the build to break, and the Warnings above should be
thrown as Errors.
The BuildHelper.exe program was written for us by a contractor who has since
left, but the code is fairly simple C#.NET code. The NullReferenceException
has been thrown by the .NET framework, but I can't see how it has been
determined to be a Warning rather than an Error.
Alternatively, if I can set the <exec> to "failOnWarning" that would be a
less satisfactory, but nonetheless workable solution.
Any ideas would be much appreciated.
Kind Regards,
Robin McKenzie
acturis ltd | connected thinking
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