Setup JMeter proxy to record activities on a local web application

Question

I'm new to JMeter and I want to load test a local web application recording test case with JMeter proxy.

I've first followed instruction here http://jmeter.apache.org/usermanual/jmeter_proxy_step_by_step.pdf and all worked fine.

Than:

• I launched my web application, say http://localhost:8080/my-application
• Setup JMeter web proxy on port 8081
• Added an HTTP Request Default to a Thread Group
• Addea a Recording Controller
• Invoked curl -X GET http://localhost:8081/my-application/index.html

I obtain:

• Request are recorded but with wrong parameters, eg. https instead of http
• I don't get the requested page with curl, but the exception: org.apache.http.client.ClientProtocolException: URI does not specify a valid host name: https:///my-application/index.html/my-application/index.html
• The parameters I've specified in Http Request Default seems to be ingnored? I placed configuration element under HTTP Proxy Server, and tried many settings.

What's going wrong? I missed some basic configuration? I'm using JMeter Proxy in the wrong manner?

Answer 1

Firefox by default does not allow localhost or 127.0.0.1 to be proxied.

You have to modify a setting in about:config

change network.proxy.allow_hijacking_localhost to true

Answer 2

Firefox default setting will bypass "localhost, 127.0.0.1" from proxy so your JMeter still not able to record it. You have to empty the "No Proxy for" field, by removing the "localhost, 127.0.0.1". Hope this will help.