Jmeter GUI suddenly froze in the middle of a test run

Question

I am running a test on jmeter (200 threads; 3000 ramp up period) and in the middle of the test the jmeter gui suddenly froze (the test is still running).

I just want to know if there is any possibility that I could still get the summary result of the finished test run on jmeter considering the fact that the gui froze and I could not get the summary results in it?

Answer 1

It is: don't use JMeter GUI for load test execution, GUI mode is for test development and debugging. Once you are happy with your test behaviour:

1. Disable all the listeners
2. Tweak JVM settings (at least increase Java heap space)

3. Run your test in non-GUI mode like:

   jmeter -n -t /path/to/testplan.jmx -l /path/to/results.jtl
   

4. When test finishes you will be able to:

   • Using JMeter GUI open results.jtl file using the Listener of your choice

   • Generate HTML Reporting Dashboard like:

     jmeter -g /path/to/results.jtl -o /path/to/html/report/folder
     

See 9 Easy Solutions for a JMeter Load Test “Out of Memory” Failure article for compilation of JMeter performance tuning advices.