Mike,
Thanks for the info - I hadn't realised that the vizualisers would
actually create the file!
I've looked further into the NoClassDefFoundException that I was
getting, and it's my fault :-( I'm using a newer version of log4j, so I
renamed the existing jars with suffix .XXX and dropped in the new jar.
However, the 1.7.1 NewDriver.java puts everything in the lib and lib/ext
directories onto the CLASSPATH, regardless of its extension. The result
is that I had two different copies of the log4j jar and this caused the
above exception.
Now that I've fixed that, my test starts to run, but gets a
ClassCastException in the depths of Jini. This is because RMI is failing
to load a class using the threads ContextClassLoader, and so it is
unnecesssarily downloading the class across the net using its own
ClassLoader. The solution is to set the ContextClassLoader in
NewDriver.java:
Thread.currentThread().setContextClassLoader(loader);
If this is not done, the ContextClassLoader remains set to the
ClassLoader that loaded NewDriver.class - which is ApacheJMeter.jar
which only contains this class! and so you can expect other errors of
this kind when tests involve RMI or their own custom class loaders.
If you're interested, I can send a diff of NewDriver.java that fixes
this and log4j initialisation and also allows correct initialisation
when the working directory is not jakarta-jmeter/bin.
//derek
>
>Regarding log4j - thanks for the info. Personally, I don't know much about
>log4j and have no motivation to do so. But I will try your suggestions.
>The reason I put that there is because it wasn't working anyway, so I
>thought I'd try setting it explicitly. When that didn't work, I gave up and
>worked on other things.
>
>You mention running your extensions under 1.7.1 - so you converted to the
>new architecture? What was the class it couldn't find?
>
>
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