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9 days ago
Topic:
jMeter with Selenium vs StresStimulus

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
Selenium allows you to bypass the challenge of correlation in testing complex web applications. The downside of Selenium is that it cannot handle many virtual users, so you may be substantially limited on the amount of load you can test. But if you need to test a very small number of users, then the combination of jMeter and Selenium may be a good choice.

However if you need to run performance tests on complex websites with a greater number of users, then StresStimulus will auto-correlate your application without sacrificing the number of VUs.
9 days ago
Topic:
jMeter with Selenium vs StresStimulus

Unregistered User
Unregistered User
Posts: 140
We are evaluating jMeter with Selenium and StresStimulus. What are the advantages of your tool for an enterprise application?
14 days ago
Topic:
502 error when logging in as a different user

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
502 error means bad gateway. It means that your server or upstream proxy rejected connection from fiddler/StresStimulus. Since it worked before, something changed in one of the several areas. For example:
  • misconfiguration of your IE -> Internet Options -> Connections section;
  • changes in the security settings of your corporate proxy;
  • changes in your network routing that caused your traffic to be routed differently.


Many of these errors and possible solutions can be found when you Google “fiddler 502 error”. For example:
https://groups.google.com/forum/#!topic/httpfiddler/d3mhMq6ZtuM
http://www.telerik.com/forums/502-errors-on-http-tunnel-connection-to-443
https://groups.google.com/forum/#!topic/httpfiddler/cj5oc0mIXv0


Since this error is network specific, I would not know what caused it in your case.
14 days ago
Topic:
502 error when logging in as a different user

Unregistered User
Unregistered User
Posts: 140
Today we tried to run scripts using StresStimulus. We ran the scripts before but this time we are seeing a 502 error when we try to verify them. The same error shows up for all of the scripts. The only difference from the last run is I am logged into Windows as a different user, but we connected to the same server.
22 days ago
Topic:
How to create a parameter from an extractor

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
In order to create a parameter from an extractor, you have to use an extractor from a previous response. So extractor from response 47 cannot be used to create a parameter to request 47. This is because request is send before you receive a response.
You need to create extractor from one of the responses 1-46.
22 days ago
Topic:
How to create a parameter from an extractor

Unregistered User
Unregistered User
Posts: 140
I created an extractor to extract the GUID id of record I'm trying to edit in request #47. I'm then trying to use this extractor to set the id of the record to edit in the same request. Why can't I see this extractor in the variable picker when I'm trying to parameterize the request?
23 days ago
Topic:
Load agent connectivity error during test run

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
The message says that response from the agent did not come back within the one-minute timeout. This can happen for several reasons. For example, your network, which generally works, at that particular moment was overloaded and caused the timeout. Another possibility is your agent computer stopped or slowed down responding.

One way of troubleshooting it is to reduce the number of VUs on this agent to see if the error will go way. Also, check what other traffic is sent through your agent’s network adapter that may interfere with the load test. If you use StresStimulus with a full SQL Server, then additional bandwidth will be used to handle traffic between your agent and SQL Server. If you use SQL CE, then this bandwidth is not needed as agent session data is stored locally, and only performance metrics are sent to the controller.

If the network connection is VPN or Internet, make sure you have a reliable connection with sufficient bandwidth.

Also, try increasing the graph sample rate, located on workflow tree -> configure test -> other options. This will reduce the frequency of polling the agent.
23 days ago
Topic:
Load agent connectivity error during test run

Unregistered User
Unregistered User
Posts: 140
I'm getting the below error while I'm running my load script. Adding agents was successful.



27 days ago
Topic:
Scriptable variable - how to invoke my DLL

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
The .dll (and .pdb if you want to debug your code) must be copied to the bin subfolder named bin inside your test directory. For example, for the test MyTest.ssconfig, copy the assembly dll to MyTest\bin folder. Once it is there open your test again and it should automatically call your external script when you start your test or verify.

To confirm that the dll loaded you can open visual studio and attach the StresStimulus.Application.exe process to the debugger and add breakpoints to your code. During the test you should see the your breakpoints being hit.

To just confirm that StresStimulus loaded your .dll, open the test and try deleting the .dll file. Windows should say that the file is being used by another process.
27 days ago
Topic:
Scriptable variable - how to invoke my DLL

Unregistered User
Unregistered User
Posts: 140
Hi,
I created a VB external script “DLL” using Visual Studio that I compiled and save to my current test directory where the Stress Stimulus script is saved. My question is how do I call the external script from the Stress Stimulus IDE so during runtime it executes the “DLL.”
5/25/2017
Topic:
An unexpected error occured

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
Topic: An unexpected error occured
This error indicates that the installer cannot download Fiddler. Installing Fiddler is optional, and can be helpful if you plan to use StresStimulus as a Fiddler add-on. Try to install Fiddler manually from https://www.telerik.com/download/fiddler After that rerun the installer.


-Cheers
5/25/2017
Topic:
An unexpected error occured

papahadjisd
papahadjisd
Posts: 1
Hi
I am getting the following error when I try to run the StresStimulusInstaller_full.exe:


An unexpected error occured.
 
Details: The installer failed to download file
http://update.stimulustechnology.com/stresstimulus/DownloadFiddler.aspx?v=4&ss=4.6.6312
 
Please make sure that you are connected to the Internet and have download permission. Then try again.
 
Click "Try Again" to try again, or "Quit" to exit the installer.




Do you have any suggestions?


Thanks
5/12/2017
Topic:
Changing credentials in Ajax JSON requests

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
1. You need to create a dataset.

2. Find a request where the login data (i.e. username) is sent. Use search as described here http://support.stresstimulus.com/display/doc46/Searching+Test+Case+Tree

3. Select this request and create a parameter, as described here http://support.stresstimulus.com/display/doc46/Creating+a+Parameter

4. Because this is JSON request, instead of parameterization grid, the Free Format Request Editor will be selected automatically http://support.stresstimulus.com/display/doc46/Free+Format+Request+Editor

5. Select the recorded username value, right-click and in the variable picker, select the dataset field containing the username, and select VU_Bound databinding. Variable picker is described here http://support.stresstimulus.com/display/doc46/Variable-Picker

After that, verify the test case to make sure that everything works.
5/12/2017
Topic:
Changing credentials in Ajax JSON requests

Unregistered User
Unregistered User
Posts: 140
My login data is sent by ajax request using JSON format. How could I change them to become variables ?
5/10/2017
Topic:
Database alert after upgrading StresStimulus

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
This error is most likely happening due to the database being created in StresStimulus v4.3 and the same database being used in v4.6. The best remedy is to create a new database in v4.6. http://support.stresstimulus.com/display/doc46/Test+Result+Storage describes how to create a new database for the test.

The new database is backwards compatible, so you can move data from old tests to the new database.
5/10/2017
Topic:
Database alert after upgrading StresStimulus

Unregistered User
Unregistered User
Posts: 140
I upgraded StresStimulus from v 4.3 to 4.6 and migrated my scripts. Everything works fine, but when I run tests, at the end of the test I see the following error: “The given value of type String from the data source cannot be converted to type nvarchar of the specified target column”


Once I click OK the error message disappears, and result is displayed correctly. How can I fix this error?



5/5/2017
Topic:
StresStimulus has stop working

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
Alexander,


Did it failed during verification once or consistently? From the screenshot I see that it failed after request 658. If it fails consistently, does it always fail around the same request? If yes, make sure that this request is not corrupt and if yes, re-record the test case. StresStimulus should not crash. If the issue will persist, email support@stresstimulus.com and schedule a web support session to resolve this issue.
5/4/2017
Topic:
StresStimulus has stop working

Aleksandr Mansarliskyy
Aleksandr Mansarliskyy
Posts: 1
When i have recorded a test Scenario and doing veryfication i get an error about "Stresstimulus has stop working" and only 2 buttons "Close" or "Debug"

i am confused, what is this problem about?

http://prntscr.com/f3zt81 here is bug
4/19/2017
Topic:
Silverlight load testing with compression

George @StresStimulus
George @StresStimulus
Administrator
Posts: 35
You may or may not need to re-record the test case depending on how the compression is configured. Try to re-record to see if it will make any difference respecting response sizes.

Do you check the response sizes in the StresStimulus report or do you look at the content length in the session inspector? Session inspector will typically decompress the response before displaying, so the content length may be incorrect.
4/19/2017
Topic:
Silverlight load testing with compression

Unregistered User
Unregistered User
Posts: 140
I am using StreStimulus for performance testing of Silverlight web application. When we recorded our scripts, HTTP Compression of Dynamic Content on Web Server was disabled. Now we have enabled HTTP Compression of Dynamic Content on Web Server (http://www.iis.net/configreference/system.webserver/httpcompression).

I am using already recorded scripts for the test. After the run I don’t see any change in average request and response body size of http request. Do I need to re-record scripts after I enabled HTTP Compression of Dynamic Content on Web Server?




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