On 6 January 2011 15:10, zhouyuan <[email protected]> wrote:
>
>
> Felix Frank-2 wrote:
>>
>> On 01/06/2011 06:43 AM, zhouyuan wrote:
>>>
>>>
>>> Felix Frank-2 wrote:
>>>>
>>>>> No, I'm not trying to chopping off the last three digits, I just want
>>>>> to
>>>>> get
>>>>> the transaction time through subtracting the 2 timestamps...but i
>>>>> couldn't
>>>>> do any operations on time1 and time2 directly. It seems that the time1
>>>>> and
>>>>> time2 are int variables by default? There are some extra lines just
>>>>> because
>>>>> I tried to debug this problem.
>>>>
>>>> The variables are untyped to BeanShell - their values are inserted
>>>> verbatim (as numerals) into your script.
>>>>
>>>> Your log shows a "number too large" error, hence my suggestion to drop
>>>> the milliseconds.
>>>>
>>>> Your computation of "long response1" should produce a valid timespan in
>>>> milliseconds, I believe.
>>>>
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>>>>
>>>>
>>>
>>> Hi Felix,
>>>
>>> The problem is that I can't do any computation on time2 and time1, you
>>> suggest me to drop milliseconds through dividing them by 1000? Or do some
>>> formatting with the time function?
>>> I also tried like this:
>>> int a=1;
>>> ${__log(${a},OUT)};
>>> int b=2;
>>> ${__log(${b},OUT)};
>>> int c=b-a;
>>> ${__log(${c},OUT)};
>>> But the console output is:
>>> Log: Thread Group 1-1 : ${a}
>>> Log: Thread Group 1-1 : ${b}
>>> Log: Thread Group 1-1 : ${c}
>>>
>>> Is there anything wrong with my script?
>>
>> Careful: ${a} supposes that there is a variable *on the Test Plan level*
>> that is named a (e.g., created by a RegexExtractor or
>> UserDefinedVariables).
>>
>> Before Jmeter sends your BSH Script to the interpreter, it substitutes
>> all occurences of ${a} by the value of this Jmeter variable.
>>
>> "int a=1" on the other hand creates a variable local to your BSH Script.
>> The two types of variables can't be mingled.
>>
>> To manipulate Jmeter variables, use the vars object from BSH.
>>
>> From your earlier error logs, I assume time1 and time2 are actual Jmeter
>> variables. To loose the milliseconds, I suggest using them as strings,
>> chopping 3 characters using substr() or whatever that is in BSH and then
>> parse it to a long value.
>>
>> HTH,
>> Felix
>>
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>>
>>
>>
>
> I tried to create UDVs first and then do the computations above, but I still
> can't get any output using __log function in the console. Could you give me
> an example that works fine in basic computations and we can also watch the
> variables in some way? Thanks!

Use print() for debugging BSH scripts.

__log is intended for use in GUI fields, not scripts.

Use Debug Sampler + Tree View Listener for showing variables.

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