My results file seems to show a single thread making two simultaneous
requests. This seems to indicate that JMeter is generating bad results.
I wonder if anybody else has seen this?

The following lines appeared in my CSV file for a test. (There were 50
threads total; I have omitted intervening lines for other threads.)


timeStamp,time,label,responseCode,responseMessage,threadName,dataType,su
ccess,failureMessage
1147052818441,360118,Page One,Non HTTP response code,Non HTTP response
message,Thread Group 1-1,text,false,Test failed, text expected to
contain /Testing/
...
1147052854550,72124,Page Two,Non HTTP response code,Non HTTP response
message,Thread Group 1-1,text,false,Test failed, text expected to
contain /Testing/


The second request was apparently initiated at time 1147052854550 -
72124 = 1147052782426. But this is before the first request finished.
This is impossible for a single thread, isn't it? (Note that the "Non
HTTP response" is (I think) some sort of server timeout.)

In general I have had anomalous results when testing against a very slow
HTTP server (30-60 second response time) using 50 threads and a constant
throughput of 120 requests/minute overall. I suspect that the ending
timestamps or possibly the times written to the CSV file are wrong, and
the results above seems to prove this. Has anybody else had similar
results?

(JMeter 2.1.1 on WinXP Pro. Nothing unusual in jmeter.log.)

I look forward to any suggestions. Thanks.
Bennett.

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