Re: JMeter and Jython -- BSF Sampler not working for me

[sebb <se...@gmail.com>]

On 27/07/2009, sebb <se...@gmail.com> wrote:
> On 10/07/2009, Will McQueen <wi...@yahoo.com> wrote:
>  >
>  >  Hi,
>  >
>  >  I'm attempting to use JMeter 2.3.4 with Jython 2.5 (also tried Jython 2.2.1) running from WinXP. I created a standalone Jython jar (per Jython website's instrs), and placed it in JMeter's lib dir. I started with an empty test plan, and created a ThreadGroup and a BSF Sampler. From the drop-down menu, I chose the script language to be "jython". In the big text box at the bottom of the sampler, I wrote the jython command:
>  >
>  >  print 5
>  >
>  >  I then added a "View Results Tree" listener.  I ran this test plan, and got an error in the <Sampler result> tab of the listener:
>  >
>  >  Response code: 500
>  >  Response message: org.apache.bsf.BSFException: exception from Jython:
>  >  Traceback (innermost last):
>  >   (no code object) at line 0
>  >  SyntaxError: ('invalid syntax', ('<string>', 1, 1, 'print 5'))
>  >
>  >  I've googled this but couldn't find any useful info or fix. Is this a bug?
>  >
>  >  By comparison, if I use a BSF Preprocessor or BSF Postprocessor (again specifying jython and "print 5"), then it works... it just doesn't work as a sampler.
>
>
> I get the same problem. The sampler code uses eval(), whereas the
>  Processors use exec(), because they are not interested in the return
>  value of the script.
>
>  I'm not sure if this is a bug in BSF or Jython; it's unlikely to be a
>  bug in JMeter because the BSF sampler works fine for some other
>  languages.
>
>  I've done some work on BSF, so I'll see if I can check that out, but
>  it may be some while before there is a fix.
>

I think it's a bug in Jython - see Bugzilla 47511.

>  >  Thank you.
>  >
>  >  Cheers,
>  >  Will
>  >
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