Hi all,
I'm having a little trouble getting started using JMeter. I dl'd 1.9.1, and found
the docs a bit confusing.
Here's what I'm trying to do. I have a Java application that I would like to load
test (many simultaneous threads). The part I would like to test is not HTTP-based,
and I'd rather not write an HTML front-end just so I can load test it. I'd also like
to reuse existing load-testing frameworks (jmeter), rather than write my own.
I have written a subclass of AbstractJavaSamplerClient, and I see it show up in the
JavaRequest>Classname pull-down menu. Nevertheless, when I try to run it, I get an
error.[1] I did put log4j in the ext dir, but this doesn't seem to help. What's the
solution here?
Re: documentation, the "JMeter Extension Scenario"[2] refers to log4j as the JMeter
logging mechanism, although it looks like it really uses logkit. Other parts of the
documentation regarding writing extensions seem out of date (wrong interfaces).
Also, is it possible to run JMeter in the standard Java way, by specifying a
classpath, a main class, and a working directory? Or better yet, is there an API for
starting JMeter programmatically?
Finally, perhaps JMeter not the best match for my project? If there's another
framework that might be simpler to set up for what I'm trying to do, I'd love to hear
about it.
[1]
java.lang.NoClassDefFoundError: org/apache/log4j/Logger
at com.apelon.dts.webservice.test.load.TestSampler.<init>(TestSampler.java:12)
at sun.reflect.GeneratedConstructorAccessor12.newInstance(Unknown Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at java.lang.Class.newInstance0(Class.java:306)
at java.lang.Class.newInstance(Class.java:259)
at
org.apache.jmeter.protocol.java.sampler.JavaSampler.createJavaClient(JavaSampler.java:228)
at
org.apache.jmeter.protocol.java.sampler.JavaSampler.sample(JavaSampler.java:202)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:277)
at java.lang.Thread.run(Thread.java:536)
[2] http://jakarta.apache.org/jmeter/extending/JMeter%20Extension%20Scenario.html
- Matt Munz
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