Re: Getting errors in JMeter distributed testing

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It means that there is connectivity problem between master and slaves.


  1.
Make sure that they all are in the same subnet<https://en.wikipedia.org/wik=
i/Subnet> so machines could reach each other
  2.
Make sure that RMI ports<https://jmeter.apache.org/usermanual/properties_re=
ference.html#remote> on master and slaves are open in your operating system=
 firewall
  3.
You either set up SSL for RMI<https://jmeter.apache.org/usermanual/remote-t=
est.html#setup_ssl> communication or disable it

See How to Perform Distributed Testing in JMeter<https://www.blazemeter.com=
/blog/distributed-testing-in-jmeter> article for end-to-end instructions an=
d clarifications
Apache JMeter - User's Manual: Remote (Distributed) Testing<https://jmeter.=
apache.org/usermanual/remote-test.html#setup_ssl>
The simplest setup is to use one key/cert pair for all JMeter servers and c=
lients you want to connect. JMeter comes with a script to generate a keysto=
re that contains one key (and its corresponding certificate) named rmi.The =
script is located in the bin directory and is available for Windows systems=
 (called bin/create-rmi-keystore.bat) and Unix like systems (called bin/cre=
ate-rmi-keystore.sh).
jmeter.apache.org

________________________________
From: Deepak Chaudhari <[email protected]>
Sent: Wednesday, April 9, 2025 3:32 PM
To: [email protected] <[email protected]>
Subject: Getting errors in JMeter distributed testing

Hi,

We are trying distributed testing using JMeter but getting below errors
when we trigger the test:

Error in reconfigure method java.rmi.unmarshalException: Error unmarshaling
return header, nested exception is:
java.net.socket.exception: Connection reset

Connection refused to host 10.76.xx.xxx; nested exception is:
java.net.ConnectException: Connection refused: connect

Regards,
Deep

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