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From "James Hill" <>
Subject while and xpath extraction
Date Fri, 05 Sep 2008 06:41:18 GMT
Hi all.

I'm pretty sure this can be done - it rings a bell anyway from past jmeter
threads - but for the life of me I can't find any reference to it.

I'm sending a SOAP request that causes the server to kick off an
asynchronous job. The next step is a request to retrieve some data based on
this response - send the request too early and the response doesn't contain
the data required for the xpath extractor that's a part of this retrieve
request. The most inelegant solution is the one currently employed - we put
in a constant timer that waits for the maximum time we've seen (through
trial and error) and then steps into the next request. Invariably it grabs
the right data, but the asynchronous job doesn't always take this long. In
fact sometimes it can be quite quick so for 20 of the 25 seconds the load
server is sitting there doing not much at all.

I'd like to use an XPath Extractor to pick out the incorrect response each
time the request is sent and embed this in a while controller. As soon as
the response is the valid one we're looking for, the while loop exits and
the test moves on to the next step.

Can this be done and if so how?


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