I am trying to run jmeter to load test vaadin13 application following the article here How to perform an Load Test/Performance Test with Vaadin 10 (is it possible with Jmeter?) which is absolutely very helpful. However, i encounter being return for(;;);[{"meta":{"sessionExpired":true}}] for every request which i am clueless.
I check that Vaadin-Security-Key is extracted correctly. Check the request data csrfToken, node is replaced with the value correctly. I am clueless on what i am missing here. Would like to seek …