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From Shay Ginsbourg <>
Subject Re: Proposal of AUTOMATIC FEATURE to extract dynamic data from previous response and sending in next request.
Date Tue, 19 Mar 2019 20:46:08 GMT
AKA - automatic correlation feature in LoadRunner (by Mercury Interactive

On Tue, Mar 19, 2019 at 6:54 PM Indu Gupta <> wrote:

> Hi,
> To enhance usability of tool NEC wants to propose a plug-in for Jmeter,
> that will extract data from previous request and fill that data in next
> request.
> Details:
> In some web applications, Users are required to take some data from
> previous response which will be input for new request. This Activity can be
> done with the help of "Regular Expression Extractor".
> How it works:
> It save values based on user defined rules and saves in variable.
> This variable is later used in sending that data in upcoming requests.
> Pain Point/Challenges :
> 1.       Applying rule for saving data in variable is really effort taking.
> 2.       Often data is not available in response body every time, user
> needs to find whether its available in body or header or API response or
> subsequent requests. User has to find it manually.
> 3.       It works on hit and try.
> Available workarounds:
> There are some available work around in market to overcome the situation
> like Blazemeter and Jcorreclate.
> But user has to upload their scripts to these websites.
> But every organization will not be interested to share their API
> request/Response data with third party.
> Proposal :
> NEC wants to deploy a plug-in that will work within Jmeter to overcome
> with this uneasiness.
> Benefits:
> Scripting size will reduce by 80%
> Human error chances will reduced.
> Will make product more user interactive.
> Will increase ease of use interactivity.
> Query:
> Will apache be interested to take this approach?
> Regards,
> Indu Gupta



*Shay Ginsbourg*
*Performance, Automation and Load Testing Expert. *
*​Regulatory Affairs Consultant​ for Medical Software​.*
* (Since 2008)*

Formerly QA Manager of LoadRunner at Mercury Interactive

M.Sc. cum laude in Bio-Medical Engineering
M.Sc. in Mechanical Engineering

Mobile:  +972(0)54-6690915

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