How to clear the results in Aggregate Report’s table in JMeter automatically when executing the same test plan again?

Jmeter does not have a flag to do this automatically. Generally, you have to clear the results with CTRL+E (in windows) or from the file menu, under RUN > CLEAR or RUN > CLEAR ALL You might be able to write a beanshell script to clear the results everytime you execute the script. http://www.javadocexamples.com/java_examples/org/apache/jmeter/samplers/SampleListener/

JMeter Basic Authentication

I’ve found through debugging requests coming in from JMeter that the HTTP Authorization Manager module doesn’t encode the username and password correctly. It puts a newline character after the username. To run a JMeter test against a Basic Auth protected endpoint, include the HTTP Header Manager and add the Basic Auth header yourself: Manually Encoding … Read more

How to resolve the error “Unable to access jarfile ApacheJMeter.jar errorlevel=1” while initiating Jmeter?

Try downloading apache-jmeter-2.6.zip from http://www.apache.org/dist/jmeter/binaries/ This contains the proper ApacheJMeter.jar that is needed to initiate. Go to bin folder in the command prompt and try java -jar ApacheJMeter.jar if the download is correct this should open the GUI. Edit on 23/08/2018: The correct answer as of current modern JMeter versions is https://stackoverflow.com/a/51973791/460802

How to insert delay between each requests in Jmeter

Create a transaction controller in Thread group put all your http requests under this transaction controller add constant timer (with value as 2 min) to transaction controller (this way it will be applicable to all request within that transaction controller) run your jmeter script or if only 2 request are there then add only 1 … Read more

Testing with JMeter: how to run N requests per second

You could use ConstantThroughputTimer. Quote from JMeter help files below: 18.6.4 Constant Throughput Timer This timer introduces variable pauses, calculated to keep the total throughput (in terms of samples per minute) as close as possible to a give figure. Of course the throughput will be lower if the server is not capable of handling it, … Read more