How to do non-subsequent URL rewriting in JMeter?

Question

I'm trying to extract jsessionid from a sampler's response and reuse it for a third sampler. The sampler in between these two is an independent HTTP request which must not utilize any jsessionids.

I'm able to do this manually using a "Regular Expression Extractor" for the first sampler and requesting for jsessionid=${foobar} in the third sampler:

However, I'd like to accomplish this using the components specifically engineered for this purpose, like "Pre Processor → HTTP URL Re-writing Modifier" and etc.

How can we do URL rewriting for non-subsequent requests?

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^{• Adding "HTTP URL Re-writing Modifier" to the third sampler doesn't work, because it will attempt to parse the response from the second sampler instead of the first one.}

^{• Adding "HTTP URL Re-writing Modifier" to the second sampler doesn't work too, because while it is able to extract the jsessionid successfully, it uses that jsessionid for the second sampler instead of the third one.}

Answer 1

JSESSIONID is usually a cookie so you can use JMeter's HTTP Cookie Manager to refer its value.

1. Add CookieManager.save.cookies=true line to user.properties file (it resides under /bin folder of your JMeter installation)
2. Add HTTP Cookie Manager to your Test Plan
3. Restart JMeter
4. Refer "jsessionid" value as ${COOKIE_JSESSIONID} where required