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Posted to dev@jmeter.apache.org by "FSchumacher (via GitHub)" <gi...@apache.org> on 2026/04/22 12:10:51 UTC

Re: [I] User defined variable of the last thread overrides the predecessor thread user defined variable [jmeter]

FSchumacher commented on issue #6494:
URL: https://github.com/apache/jmeter/issues/6494#issuecomment-4296094476

   Your assumption that User Defined Variables are scoped to individual thread groups is incorrect - they're global by default in JMeter. When Thread Group 2 defines P_url, it overwrites the value set by Thread Group 1.
   
   Workaround options:
   
   * Use the same name, but initialize them individually without a UDV on thread group start up
   * Use different variable names like P_urlTG1 and P_urlTG2 per thread group
   
   This is documented behavior, not a bug. See the [JMeter component reference on user defined variables](https://jmeter.apache.org/usermanual/component_reference.html#User_Defined_Variables) for more details.


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