DO NOT REPLY [Bug 27744] New: - Counter does not work

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http://issues.apache.org/bugzilla/show_bug.cgi?id=27744

Counter does not work

           Summary: Counter does not work
           Product: JMeter
           Version: Nightly (Please specify date)
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Main
        AssignedTo: jmeter-dev@jakarta.apache.org
        ReportedBy: M.Kostrzewa@pentacomp.com.pl


The minimal test is: 
 
test plan 
 +-Thread group (5 threads, 5 loops) 
   +-Http request (parameter aa=${clock}) 
   +-Counter (refname = clock) 
   +-View Results Tree 
 
The problem: 
When running 1 thread, everything is fine, parameter aa sent with each request 
is incremented. 
When running multiple threads, the following error occures: 
 
 
java.lang.NullPointerException 
	at 
org.apache.jmeter.modifiers.CounterConfig.iterationStart(CounterConfig.java:68) 
	at 
org.apache.jmeter.control.GenericController.fireIterationStart(GenericController.java:273) 
	at 
org.apache.jmeter.control.GenericController.fireIterEvents(GenericController.java:261) 
	at 
org.apache.jmeter.control.GenericController.next(GenericController.java:89) 
	at 
org.apache.jmeter.control.LoopController.nextIsNull(LoopController.java:134) 
	at 
org.apache.jmeter.control.GenericController.next(GenericController.java:101) 
	at org.apache.jmeter.threads.ThreadGroup.next(ThreadGroup.java:102) 
	at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:239) 
	at java.lang.Thread.run(Thread.java:536) 
 
and the request isn't performed. 
Sometimes (??) the request is sent, but with the parameter aa=${counter} (the 
variable is not expanded) 
 
This test works in last stable version.

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