Java classes in JMeter with Beanshell sampler -

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i have java project need run load test in jmeter. found examples indicated make jar file , put in jmeter lib/ext folder , run it. works simple example program wrote.

tried scale up, made jar of larger project, placed in lib/ext folder, did following in beanshell sampler following example program.

import package.jhelper; jhelper x = new jhelper(); x.test();

i have tried import class using full path of 

import cast.sa.vsp.package.jhelper; import cast.sa.vsp.package.*;

both return me following response code

response message: org.apache.jorphan.util.jmeterexception: error invoking  bsh method: eval sourced file: inline evaluation of: ``import cast.sa.vsp.package.jhelper; jhelper x = new jhelper();  . . . '' : typed variable declaration : class: jhelper not found in namespace

the answer have seen work if moved /lib/ext /lib. have done well, jmeter being unable run until remove jar directory.

does have advice on how working?

  1. your jars should go /lib folder (instead of /lib/ext)
  2. jmeter restart absolutely required pick jars up
  3. it not recommended use beanshell creating actual load, consider switching jsr223 sampler using "groovy" language instead.

for details on jsr223 sampler performance, instructions on how install groovy scripting engine , performance benchmarks see beanshell vs jsr223 vs java jmeter scripting: performance-off you've been waiting for! article.


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