Is it possible to re-read jmeter.properties without closing and restarting JMeter?
Maybe any additional class that will trigger this process?
Sometimes I need to play with a property's values, and it is not convenient to restart JMeter every time, so I'd like to automate this process.
There is no need to re-read jmeter properties from file - jmeter has enough built-in functionality to read/set values of properties.
At least the following below:
jmeter functions:
_setProperty(),
_property(),
__P;
props - JMeterProperties (class java.util.Properties) - to access from beanshell code;
Property Display.
Look also into the following for more info and examples:
Using JMeter properties
How to set a javascript value as a JMeter property
Jmeter Wiki
Related
When the parameters are passed via the 'CSV Data Set Config' in the jmeter script, do we have a way of over-writing the values in Azure Load Testing tool,
I have away of externalising the parameters in Jmeter as well, in azure load testing, but when I combine both the values are not over-written
I don't think you can overwrite the JMeter Variable. You can overwrite the value of a JMeter Property so if you use __P() function to define some value in the test you can use user.properties file to give the property its respective value.
At the same time it would be possible to override the default property value via -J command-line argument.
More information:
Configuring JMeter
Overriding Properties Via The Command Line
Apache JMeter Properties Customization Guide
If you have parameterization implemented via CSV files the only way of amending the values is changing the CSV file itself, in that case you can take a look at awk language and/or sed editor.
I am trying to clear cookies after each iteration in Taurus yaml.
I tried the solution from below thread but it didn't work:
[Google Group] https://groups.google.com/g/codename-taurus/c/wa4xIbxkUYI?pli=1
Above thread says:
For reference I did it like this:
modifications:
set-prop:
"Cookies>CookieManager.clearEachIteration": "true"
I have tried the same but didn't work.
Using JMeter I can clear the cookies but need the same behavior for Taurus. Any help.
What do you mean "for Taurus"? Taurus just provides YAML configuration of some of JMeter test elements. The "solution" you're referring is for running existing .jmx script using Taurus
Taurus doesn't support 100% of JMeter functionality when it comes to building test plan from config, refer the documentation to see what is supported.
If you want to use some JMeter functionality which is not supported by Taurus the options are in:
Reach out to Taurus developers via the forum you're referencing and ask them to implement the functionality you need
Implement it yourself, Taurus is an open source project
Switch to the existing .jmx script execution
Switch to JMeter and stop using Taurus as a wrapper
Use JR223 Test Elements to perform the removing of cookies, i.e. you could add a JSR223 PreProcessor to the first sampler in the Thread Group and call sampler.getCookieManager().clear() function there where sampler stands for HTTPSamplerBase
I add several components for debugging as Debug Sampler, View Results Tree and JSR223 Sampler that are useful in GUI mode, but I want it to be ignored when running load test,
Is there such option of executing Sampler/Listener only in GUI mode and not in command line/"load" mode?
I am not sure that this is the exact answer you are looking for but still let me try. We know that JMeter script is nothing but xml in disguise and structure look like this.
So for every Jmeter component, there is enable property which needs to be true so that it will get executed as part of JMeter Test plan. Now if we can change this some properties which can be passed as parameter then we can make them disable at the run time.
Change in jmx will be reflected like this...
If you run this script in Non GUI mode with additional property passed as parameter, we essentially achieve what we want.
jmeter -n -t .\ExcludeJMeterComponent.jmx -l result.CSV -e -o "Output" -DenabledDebugComponents=false
Issue with this approach is, if you load this script again in JMeter, these values, manually edited jmx going to go away/get override with your next save but if you are using any version control system to keep track of your jmx script [which you must be doing] it will be very easy to add this changes in the script again in no time.
I will post this with more details once my blog is set up.
Found a workaround, to send in CLI JMeter property as -JignoreFirstSampler
Add If Controller as a parent of samplers to exclude checking if property is defined
${__isPropDefined(ignoreFirstSampler)}
The __isPropDefined function returns true if property exists or false if not.
I have a Beanshell Listener which has a certain code written to fetch some metrics during the execution of the script. I want this listener to be appended to every other new Jmeter script automatically when a user creates a script in Jmeter. Is this possible?
Example:
A user opens a new Jmeter script and by default, the Beanshell listener created earlier having the code should automatically be there in the script for the thread group rather than adding a new Beanshell listener and copy-pasting the code to this newly appended listener. Is this scenario possible? TIA.
Jmeter Version - 4.0
You can take a look into JMeter Templates and come up with your own Template having whatever Test Elements you want and encourage colleagues to use your template for creating the tests.
Be aware that starting from JMeter 3.1 it is strongly recommended to switch to JSR223 Test Elements and Groovy language so it is a good time to consider migration.
You don't need to copy paste code, Just put the file name which contains the script in file name field (can use Browse)
Script file A file containing the BeanShell script to run. The file name is stored in the script variable FileName
Notice that you better move to JSR223 Listener according to JMeter's best practice:
Since JMeter 3.1, we advise switching from BeanShell to JSR223 Test Elements
What I try to achieve is to get JMeter results in 2 formats, for the same test execution. CSV is the one I'm mostly interested in, unless there are failures - then I may need to use data which can be saved only to XML. I can't use XML for most occasions, due to misc reasons.
I was looking at jmeter.save.saveservice.output_format cfg entry, it doesn't seem to accept both as valid entry. I was also looking at JMeter code itself, it also clearly separates both options.
Did anyone invent a hack to get both JMeter outputs at the same time?
Solution for both standalone JMeter and jmeter-maven-plugin is welcome.
If you use JMeter Maven plugin, as per Five Ways To Launch a JMeter Test without Using the JMeter GUI guide the default output has to be XML.
If you need CSV output as well - just add Simple Data Writer listener. If you looking for CSV data to be in line with JMeter default CSV values configure it as follows: