https://bz.apache.org/bugzilla/show_bug.cgi?id=64575

            Bug ID: 64575
           Summary: Memory Leak when using JSR223 Sampler
           Product: JMeter
           Version: 5.3
          Hardware: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Main
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: JMETER_5.3.1

Hi Team,

I am using JSR223 Sampler with Groovy 3.03 for sending messages to Kafka topic.
(Attaching Script that i have used, I am using a basic setup of Kafka single
node)

I am using kafka-clients-2.5.0.jar placed under lib\ext for sending messages to
Kafka.

Issue:

When running simple test with 5 users i have observed memory being accumulated
for JMeter process and eventually JMeter stops responding.


Observations:

I have monitored JMeter process using VisualVM, memory is piling up over time,
attaching snapshot and Heap dump for the same. I have done some investigation
on Heap dump and i see that memory leak is happening due to UI update. 

When i run the same test in NON-GUI mode i don't see any issue issue.

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