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Editorial Team
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Asked: 2026-05-30T08:24:07+00:00

How feasible/practical is it to set system properties at runtime in production environments explicitly?

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How feasible/practical is it to set system properties at runtime in production environments explicitly? What if there is a web service, that would update system properties – flags mainly. These flags in turn can be used to turn on/off the log-level etc.

The operation would be along these lines:

  1. Set up a web service in the live prod application
  2. access web service [restrict access to specific users] – this would present a UI that would update system properties
  3. application would use the updated system properties going forward

Any suggestion on this approach? Or is it already common occurrence?

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1 Answer

  1. Editorial Team

    I don’t see why it wouldn’t work, except if your application is clustered across several JVMs. In this case, you’d better store the configuration in a central database or propagate the change to all the other JVMs using a JMS topic, for example.

    If you want to make these system properties persistent after a restart, you’d bette store them in a database as well.

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