Recording Traffic using Apache JMeter HTTP Proxy Server

In the last article, we discussed about hands on with Apache JMeter.  Now most of the testers might be thinking about what’s next after installation, understanding the tool and how about recording a test script using JMeter.

In today’s article we will see how to record your first JMeter Test script  using JMeter HTTP Proxy Server, How to do Firefox browser settings for recording JMeter first test plan, How to do JMeter load testing tool settings for recording your first test plan.

Recording using Apache JMeter HTTP(s) Proxy Server


The HTTP(S) Proxy Server allows JMeter to intercept and record your actions while you browse your web application with your normal browser. JMeter will create test sample objects and store them directly into your test plan.

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Hands on with Apache JMeter GUI

In the last article, i have explained about introduction to Apache JMeter, how to install, how add custom plugins and more. So lets look little deep into this amazing open source tool in this article.

After launching Apache JMeter the two elements which draws our attention are

  • Test Plan
  • Workbench

jmeter-test-plan

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Introduction to Apache JMeter

Apache JMeter

Apache JMeter is open source desktop application purely built on java designed to do load test functional behavior of an application and measure performance. It may be used to load test both static and dynamic resources such as static files, Java Servlets, CGI scripts, Java objects, databases, FTP servers, and more. JMeter can be used to simulate a heavy load on a server, network or object to test its strength or to analyze overall performance under different load types.

Additionally, JMeter can help you regression test your application by letting you create test scripts with assertions to validate that your application is returning the results you expect. For maximum flexibility, JMeter lets you create these assertions using regular expressions.

JMeter is not a “Browser”

JMeter is not a browser. As far as web-services and remote services are concerned, JMeter looks like a browser (or rather, multiple browsers); however JMeter does not perform all the actions supported by browsers. In particular, JMeter does not execute the JavaScript found in HTML pages. Nor does it render the HTML pages as a browser does (it’s possible to view the response as HTML etc, but the timings are not included in any samples, and only one sample in one thread is ever viewed at a time).

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Hypertext Transfer Protocol

What is an Internet Protocol?


An Internet protocol is a standard defined for addressing hosts and for routing datagram’s or packets between source host to destination host across one or more networks such as LAN, Internet and Intranet etc. Each protocol has its own rules such as to connect to hosts, how data is formatted, how the data is compressed during routing, how to check for errors in data etc. Many protocols are available in the World Wide Web. But most widely used protocols are few such as HTTP/HTTPS, FTP, TCP/IP, UDP, SMTP etc.

 Hypertext Transfer Protocol


  • Hypertext transfer protocol is an application layer protocol used for communicating between distributed systems.
  • HTTP protocol is built on top of TCP/IP communication protocol which is used to route “resources” on to World Wide Web. A resource is some chunk of information that can be identified by a URL (it’s the R in URL). The most common kind of resource is a file, but a resource may also be a dynamically-generated query result, the output of a CGI script, a document that is available in several languages, or something else.
  • HTTP protocol is a generic and stateless protocol.

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Introduction to Performance Testing

As you can witness the rapid growth in IT industry, the software application development has become pinnacle of our daily usage. Every year thousands of software’s are being developed and are creating a buzz in the industry. Not all software’s can reach user expectations, they may lack many aspects such interface, look n feel, user friendly and “Performance“. Well performance is surely is an important and crucial aspect which should not be ignored . Performance testing is necessary before marketing any software product. It ensures customer satisfaction & protects investor’s investment against product failure. Costs of performance testing are usually more than made up for with improved customer satisfaction, loyalty and retention.. Lets get familiar with performance testing  and what is the impact of performance testing on a software.

What is Performance Testing ?

Performance Testing is a discipline concerned with detecting and reporting the current behavior of the software system. Performance testing is a technical investigation done to determine or validate the responsiveness, speed, scalability, and/or stability characteristics of the product under test.

Why Performance Testing ?

Performance testing is done to tune an application without any performance glitches such as speed, stability and scalability. Most importantly, performance testing uncovers what needs to be improved before the product goes to live. Without rigorous performance testing, software is likely to suffer from issues such as: running slow while several users use it simultaneously, inconsistencies across different operating systems and poor usability. Performance testing will determine whether or not a software meets industry set standards such as responsive, speed, scalability and stability requirements under expected workloads. Software with improper performance testing will fail to meet the standards which results in a bad reputation and has a direct impact on the sales of the application. So it is recommended that a software should under go rigorous and planned performance testing to avoid performance bottlenecks.

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