JMeter: How to know why my regular expression extractor in JMeter is not extracting the data

1
votes

I would like to know why regular expression extractor in JMeter is not extracting the data after parameterization. Response message: Internal Server Error

Expression added are:

  1. name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="(.+?)"

  2. name="__VIEWSTATE" id="__VIEWSTATE" value="(.+?)"

POST data:
__VIEWSTATE=%24%7BviewState%7D&__EVENTVALIDATION=%24%7BeventValidation%7D&txtUserID=1001201&txtPWD=CFL&BtnSubmit=Submit&hdnE=5&hdnN=323&hdnD=173
1
regextestingparametersloadjmeter
Please add actual expressions and the errors you're facing. I can't comprehend the images considering that most of the content is redacted. – hjpotter92
Added. There are no such error apart from Internal Server Error. Also, Post data that is getting send is "${viewState}" and "${eventValidation}" which I can see in HTTP under Request in View Results in a Tree. – Anonymous
can you show a response containing the 2 parameters ? thx – UBIK LOAD PACK

1 Answers

2
votes

Your regexp is probably wrong.

To debug it, run your test then use View Results Tree and select Regexp Tester:

enter image description here

You can then test your regexps and see what happens.

As I don't have the response content that contains the 2 tokens, I can only guess that regexp should be :