On 09/05/2008, Steve Kapinos <[EMAIL PROTECTED]> wrote:
> > Testing Threadgroup (users = 100)
> > + work
> > + work
> > + testaction and in comment use ${__setProperty($stopcounter,
> > ${__jexl(${stopcounter}+1)}
>
> >That may not be thread-safe - updates may be lost if two threads run
> the test
> >action at about the same time.
>
> >The Jexl execute() method is synchronized, so if there is only one
> instance of the
> >function call, you could perhaps do it all in Jexl.
>
>
> Can you elaborate on doing it all in jexl? I struggled forever for some
> reason trying to pass properties into jexl and doing simply math like
> this
>
It is possible to call methods on objects in Jexl, but on further
reflection the required objects are probably not made available.
> ${__jexl(${__P(stopcounter)}+1)}
>
> Eventually I switch to javascript and finally got it working like this
> in a simple test scenario. I have no idea why my jexl stuff was
> failing. It simply would say in the logs it failed to evaluate (1+1) .
> Switched to javascript and same expression worked.
>
> I have the above scenario working using
>
> Testing thread executes
> ${__setProperty(stopcounter,${__javaScript(${__P(stopcounter)}+1)})}
However the __P() function call is evaluated before calling the
function, so with multiple threads could suffer from lost update
problem.
>
> Monitoring thread executes a while loop with the condition
> ${__javaScript(${__P(stopcounter)} <= 10)}
>
> Where 10 will eventually be the variable that tells the testing thread
> how often to run.
>
> But you say this may not be thread safe. Can you elaborate on your
> comment about all in jexl?
>
See above.
>
> >Actually, I think there's a simpler solution.
>
> >${__BeanShell(org.apache.jmeter.threads.JMeterContextService.getNumberO
> fThreads()==1)}
>
>
> This seems to work very well. I have the monitor thread group setup
> like
>
> Threadgroup loop forever
> + monitoring sample
> + while controller
>
> ${__BeanShell(org.apache.jmeter.threads.JMeterContextService.getNumberOf
> Threads()==1)}
>
> + + test action set to stop thread
>
> Below is a dummy test plan that functions using the above method for
> future mailing list searches :)
>
> <?xml version="1.0" encoding="UTF-8"?>
> <jmeterTestPlan version="1.2" properties="2.0">
> <hashTree>
> <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="Test
> Plan" enabled="true">
> <stringProp name="TestPlan.comments"></stringProp>
> <boolProp name="TestPlan.functional_mode">false</boolProp>
> <boolProp name="TestPlan.serialize_threadgroups">false</boolProp>
> <elementProp name="TestPlan.user_defined_variables"
> elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments"
> testname="User Defined Variables" enabled="true">
> <collectionProp name="Arguments.arguments"/>
> </elementProp>
> <stringProp name="TestPlan.user_define_classpath"></stringProp>
> </TestPlan>
> <hashTree>
> <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup"
> testname="testing thread" enabled="true">
> <elementProp name="ThreadGroup.main_controller"
> elementType="LoopController" guiclass="LoopControlPanel"
> testclass="LoopController" testname="Loop Controller" enabled="true">
> <boolProp
> name="LoopController.continue_forever">false</boolProp>
> <stringProp name="LoopController.loops">1</stringProp>
> </elementProp>
> <stringProp name="ThreadGroup.num_threads">10</stringProp>
> <stringProp name="ThreadGroup.ramp_time">1</stringProp>
> <longProp name="ThreadGroup.start_time">1210354200000</longProp>
> <longProp name="ThreadGroup.end_time">1210354200000</longProp>
> <boolProp name="ThreadGroup.scheduler">false</boolProp>
> <stringProp
> name="ThreadGroup.on_sample_error">continue</stringProp>
> <stringProp name="ThreadGroup.duration"></stringProp>
> <stringProp name="ThreadGroup.delay"></stringProp>
> </ThreadGroup>
> <hashTree>
> <HTTPSampler guiclass="HttpTestSampleGui"
> testclass="HTTPSampler" testname="test request" enabled="true">
> <elementProp name="HTTPsampler.Arguments"
> elementType="Arguments" guiclass="HTTPArgumentsPanel"
> testclass="Arguments" testname="User Defined Variables" enabled="true">
> <collectionProp name="Arguments.arguments"/>
> </elementProp>
> <stringProp
> name="HTTPSampler.domain">www.yahoo.com</stringProp>
> <stringProp name="HTTPSampler.port"></stringProp>
> <stringProp name="HTTPSampler.protocol"></stringProp>
> <stringProp name="HTTPSampler.contentEncoding"></stringProp>
> <stringProp name="HTTPSampler.path">/</stringProp>
> <stringProp name="HTTPSampler.method">GET</stringProp>
> <boolProp name="HTTPSampler.follow_redirects">false</boolProp>
> <boolProp name="HTTPSampler.auto_redirects">true</boolProp>
> <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
> <boolProp
> name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
> <stringProp name="HTTPSampler.mimetype"></stringProp>
> <stringProp name="HTTPSampler.FILE_NAME"></stringProp>
> <stringProp name="HTTPSampler.FILE_FIELD"></stringProp>
> <stringProp name="HTTPSampler.monitor">false</stringProp>
> <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
> </HTTPSampler>
> <hashTree>
> <ConstantTimer guiclass="ConstantTimerGui"
> testclass="ConstantTimer" testname="Constant Timer" enabled="true">
> <stringProp name="ConstantTimer.delay">1000</stringProp>
> </ConstantTimer>
> <hashTree/>
> </hashTree>
> </hashTree>
> <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup"
> testname="Monitoring Thread" enabled="true">
> <elementProp name="ThreadGroup.main_controller"
> elementType="LoopController" guiclass="LoopControlPanel"
> testclass="LoopController" testname="Loop Controller" enabled="true">
> <boolProp
> name="LoopController.continue_forever">false</boolProp>
> <intProp name="LoopController.loops">-1</intProp>
> </elementProp>
> <stringProp name="ThreadGroup.num_threads">1</stringProp>
> <stringProp name="ThreadGroup.ramp_time">1</stringProp>
> <longProp name="ThreadGroup.start_time">1210353698000</longProp>
> <longProp name="ThreadGroup.end_time">1210353698000</longProp>
> <boolProp name="ThreadGroup.scheduler">false</boolProp>
> <stringProp
> name="ThreadGroup.on_sample_error">continue</stringProp>
> <stringProp name="ThreadGroup.duration"></stringProp>
> <stringProp name="ThreadGroup.delay"></stringProp>
> </ThreadGroup>
> <hashTree>
> <HTTPSampler guiclass="HttpTestSampleGui"
> testclass="HTTPSampler" testname="monitor request" enabled="true">
> <elementProp name="HTTPsampler.Arguments"
> elementType="Arguments" guiclass="HTTPArgumentsPanel"
> testclass="Arguments" testname="User Defined Variables" enabled="true">
> <collectionProp name="Arguments.arguments"/>
> </elementProp>
> <stringProp
> name="HTTPSampler.domain">www.yahoo.com</stringProp>
> <stringProp name="HTTPSampler.port"></stringProp>
> <stringProp name="HTTPSampler.protocol"></stringProp>
> <stringProp name="HTTPSampler.contentEncoding"></stringProp>
> <stringProp name="HTTPSampler.path">/</stringProp>
> <stringProp name="HTTPSampler.method">GET</stringProp>
> <boolProp name="HTTPSampler.follow_redirects">false</boolProp>
> <boolProp name="HTTPSampler.auto_redirects">true</boolProp>
> <boolProp name="HTTPSampler.use_keepalive">true</boolProp>
> <boolProp
> name="HTTPSampler.DO_MULTIPART_POST">false</boolProp>
> <stringProp name="HTTPSampler.mimetype"></stringProp>
> <stringProp name="HTTPSampler.FILE_NAME"></stringProp>
> <stringProp name="HTTPSampler.FILE_FIELD"></stringProp>
> <stringProp name="HTTPSampler.monitor">false</stringProp>
> <stringProp name="HTTPSampler.embedded_url_re"></stringProp>
> </HTTPSampler>
> <hashTree/>
> <WhileController guiclass="WhileControllerGui"
> testclass="WhileController" testname="While Controller" enabled="true">
> <stringProp
> name="WhileController.condition">${__BeanShell(org.apache.jmeter.threads
> .JMeterContextService.getNumberOfThreads()==1)}</stringProp>
> </WhileController>
> <hashTree>
> <TestAction guiclass="TestActionGui" testclass="TestAction"
> testname="Stop Test" enabled="true">
> <intProp name="ActionProcessor.action">0</intProp>
> <intProp name="ActionProcessor.target">0</intProp>
> <stringProp name="ActionProcessor.duration"></stringProp>
> </TestAction>
> <hashTree/>
> </hashTree>
> </hashTree>
> <ResultCollector guiclass="ViewResultsFullVisualizer"
> testclass="ResultCollector" testname="View Results Tree" enabled="true">
> <boolProp name="ResultCollector.error_logging">false</boolProp>
> <objProp>
> <value class="SampleSaveConfiguration">
> <time>true</time>
> <latency>true</latency>
> <timestamp>true</timestamp>
> <success>true</success>
> <label>true</label>
> <code>true</code>
> <message>true</message>
> <threadName>true</threadName>
> <dataType>true</dataType>
> <encoding>false</encoding>
> <assertions>true</assertions>
> <subresults>true</subresults>
> <responseData>false</responseData>
> <samplerData>false</samplerData>
> <xml>true</xml>
> <fieldNames>false</fieldNames>
> <responseHeaders>false</responseHeaders>
> <requestHeaders>false</requestHeaders>
> <responseDataOnError>false</responseDataOnError>
>
> <saveAssertionResultsFailureMessage>false</saveAssertionResultsFailureMe
> ssage>
> <assertionsResultsToSave>0</assertionsResultsToSave>
> <bytes>true</bytes>
> </value>
> <name>saveConfig</name>
> </objProp>
> <stringProp name="filename"></stringProp>
> </ResultCollector>
> <hashTree/>
> <ResultCollector guiclass="StatVisualizer"
> testclass="ResultCollector" testname="Aggregate Report" enabled="true">
> <boolProp name="ResultCollector.error_logging">false</boolProp>
> <objProp>
> <value class="SampleSaveConfiguration">
> <time>true</time>
> <latency>true</latency>
> <timestamp>true</timestamp>
> <success>true</success>
> <label>true</label>
> <code>true</code>
> <message>true</message>
> <threadName>true</threadName>
> <dataType>true</dataType>
> <encoding>false</encoding>
> <assertions>true</assertions>
> <subresults>true</subresults>
> <responseData>false</responseData>
> <samplerData>false</samplerData>
> <xml>true</xml>
> <fieldNames>false</fieldNames>
> <responseHeaders>false</responseHeaders>
> <requestHeaders>false</requestHeaders>
> <responseDataOnError>false</responseDataOnError>
>
> <saveAssertionResultsFailureMessage>false</saveAssertionResultsFailureMe
> ssage>
> <assertionsResultsToSave>0</assertionsResultsToSave>
> <bytes>true</bytes>
> </value>
> <name>saveConfig</name>
> </objProp>
> <stringProp name="filename"></stringProp>
> </ResultCollector>
> <hashTree/>
> </hashTree>
> </hashTree>
> </jmeterTestPlan>
>
>
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