[Bug 64103] New: Throughput controller causes stack overflow/latency spike towards end of test

[bu...@apache.org]

https://bz.apache.org/bugzilla/show_bug.cgi?id=64103

            Bug ID: 64103
           Summary: Throughput controller causes stack overflow/latency
                    spike towards end of test
           Product: JMeter
           Version: 4.0
          Hardware: PC
            Status: NEW
          Severity: major
          Priority: P2
         Component: Main
          Assignee: issues@jmeter.apache.org
          Reporter: ATan@webroot.com
  Target Milestone: JMETER_6.0.0

Created attachment 36983
  --> https://bz.apache.org/bugzilla/attachment.cgi?id=36983&action=edit
Test Plan

Whenever I have a throughput controller paired with a http sampler, I get the
occasional stack overflow error when trying to generate a dashboard report.
I've included a basic script of what my test plan looks like, but it basically
goes like this:

Thread group - 250 users
-Read value line by line from a csv file
-Include value in http payload in the form of a POST request to a server
-Throughput total executions for 1 Million requests. I want the test to
gracefully end and generate dashboard after it fulfills this

More often than not I have an error at the last step. And in addition to that,
during the very last step of running this test the latency has a huge spike.
From an average max of ~100 ms to sometimes ~900000 ms. I even tested with a
different server and its the same behavior.

And for clarity sake, I'm encountering problematic behaviors towards the end of
the test when I use a throughput controller. Either the test wraps up cleanly,
stack overflows, or has a huge lag spike before the report is created. 

I'll try attaching the error message from log in addition to test plan. I've
seen similar bug requests involving if statements, but I can confirm there are
no explicit if statements in my test plan.


+Java 8
+20GB Heap memory, modified registry timedwaitdelay and maxuserport for max
values

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[Bug 64103] Throughput controller causes stack overflow/latency spike towards end of test

[bu...@apache.org]

https://bz.apache.org/bugzilla/show_bug.cgi?id=64103

--- Comment #1 from ATan@webroot.com ---
Created attachment 36984
  --> https://bz.apache.org/bugzilla/attachment.cgi?id=36984&action=edit
stack overflow error message

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