Handling Dynamic URL in Jmeter

When we run the Dynamic URL script, It will show Forbidden or other errors in listener. To solve this problem  using Reqular Expression Extractor . The following steps explain how to handle dynamic URL using  Regular Expression Extractor.

Step1:  Record the site. 
Step2: Adding Regular Expression Extractor in the top      

•   Adding Regular Expression Extractor( Right click on  sampler-> Post Processors->Regular Expression Extractor) in  Http request sampler.
• In Regular Expression Extractor

                Reference Name: dynamicValue(Any name)
                Regular Expression:p_auth=([^=&])+
                Template: $0$
                Match No:1

Step3: Enter reqular expression name (Reference Name) in  the  url path.

Step4: Save and Run the script. The Result will be successful.