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Trace node pattern question

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Bartez75

Posted: Thu May 07, 2009 5:56 am Post subject: Trace node pattern question

Voyager

Joined: 26 Oct 2006
Posts: 80
Location: Poland, Wroclaw

Hi,

I have a trace node in the flow with pattern:

Code:

${Environment.Variables.traceInfo}

Is is possible to modify this pattern so when Environment.Variables.traceInfo does not exist then trace node will not add NULL into file (do nothing)?

Or do I have to use filter node before trace node and check if that Variable.traceInfo exists and based on that send message to trace node or directly to output node?

Thank you for any comments.

Vitor

Posted: Thu May 07, 2009 7:35 am Post subject:

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

AFAIK the trace node isn't bright enough to do that. I'd say a Filter node, but wait to be amazed by a suggestion from one of our more ingenious posters.

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