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From Viswanathan Arunachalam <>
Subject RE: Out of Memory Error in JMeter during Endurance testing
Date Wed, 26 May 2010 10:45:43 GMT
You need to change your jmeter properties

Open the jmeter.bat file in notepad and change the settings

set HEAP=-Xms512m -Xmx512m


set HEAP=-Xms1024m -Xmx1024m

This should solve your problem

Also why are you checking for .xml & .dat files.

-----Original Message-----
From: Nagusoft []
Sent: Wednesday, 26 May 2010 10:41 p.m.
Subject: Out of Memory Error in JMeter during Endurance testing
Importance: High

Hi All,

I am using Java samplers to send the requests.Some java samplers send query

string to the server, some send .dat files and receive responses as objects,

some send .xml files and get .xml responses. When I run the .jmx file which

contains this test plan for prolonged time ( Endurance testing), JMeter


out of memory error, and the script gets terminated after 17 hours of run.

The test plan has only one Thread group , and there are 89 java samplers


in that thread group.

Note: I have also increased the heap size in JMeter.bat and I use only one

listener(Summary report).

Kindly suggest solutions.



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