On 12/01/2010, Deepak Shetty <[email protected]> wrote: > Hi > If I remember correctly Pre processors wont work unless you have atleast one > sampler .
You can't apply a Pre-Processor to something that's not there ... Same is true of Post Processors and Timers. > The way around this is > a. Use a Bean Shell Sampler instead (will show up in the results though) > b. Use a TestActionSampler (this is a dummy sampler which will allow you to > attach your Pre Processor) > > regards > > deepak > > > On Tue, Jan 12, 2010 at 10:52 AM, Marc Limotte <[email protected]> wrote: > > > Hi Deepak. > > > > Thanks for correcting me. After adding a Debug Sampler as you > > suggested, I see now that the loop only works if the Sampler exists. > > So, I've gotten my test plan to work... but only if the Debug Sampler > > is included and enabled. Do you know why that is? I don't want to > > leave Debug on, b/c of it's impact on the testing performance. > > > > I did verify that there are no errors in jmeter.log. Here is the > > structure of my test: > > > > Thread Group > > Random Variable > > Loop Controller (loop count is the Random Variable) > > Only Once > > BeanShell Pre Proc ( vars.put("mylist",""); ) > > *DebugSampler > > CSV Data Set Config > > BeanShell Pre Proc ( concats the last value from the CSV to > > "mylist" ) > > *DebugSampler > > HTTP Sampler ( uses the variable ${mylist} ) > > View Results Tree > > > > Again, if I disable either of those DebugSamplers, it stops working. > > > > Marc > > > > > > On Tue, Jan 12, 2010 at 9:35 AM, Deepak Shetty <[email protected]> wrote: > > >> I tried using a variable and using a > > >>property. But none of this worked... it seems that the values created > > >>inside the loop are not available to the HTTP request outside the loop. > > > Not true. If you set a variable it is available outside . use a debug > > > sampler with a view results tree listener to see what values get set and > > > check you are using the variable in the HTTP request . > > > If you still cant figure it out , please provide the structure of your > > test > > > (for e.g. you might have attached the pre processor to an incorrect > > > location , e.g. if it is under a controller then it applies to all > > elements > > > in the controller) and finally check jmeter.log to verify that your > > > beanshell is actually executing without errors. > > > > > > regards > > > deepak > > > > > > On Tue, Jan 12, 2010 at 9:27 AM, Marc Limotte <[email protected]> > > wrote: > > > > > >> Hi, > > >> > > >> I'm looking for some suggestions on how to pull a random number of lines > > >> from a file and concatenate them together for a single HTTP request. In > > a > > >> bit more detail: > > >> > > >> I have a CSV file (two columns, but I'm only interested in the first > > >> column) with almost 200,000 lines. Each line contains a unique id. I > > then > > >> want to pull a random number of ids (between 1 and 60), join them with a > > >> comma delimiter and make an HTTP request with the whole string. > > >> > > >> For example, the file might contain: > > >> > > >> http://rest.acme.com:8888/items/130,127,2,97 > > >> or > > >> http://rest.acme.com:8888/items/127,26,31 > > >> > > >> Where 130, 127, 2, etc; are ids pulled from the file. > > >> > > >> I can pre-sort the file randomly if I need to, so reading the lines in > > the > > >> file in sequence is not a problem. > > >> > > >> I tried a number of approaches using a CSV Data Set, or __CSVRead. In > > >> general, my approach was to use a Loop controller with a random number > > as > > >> the "Loop Count"; and then use a BeanShell Pre-Processor or a > > >> UserParameters > > >> expression to concatenate the values. I tried using a variable and > > using a > > >> property. But none of this worked... it seems that the values created > > >> inside the loop are not available to the HTTP request outside the loop. > > >> > > >> Any suggestions on how I might be able to do this. > > >> > > >> Marc > > >> > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
