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Chapter 42. Configuring the environment mode in KIE Server and Business Central

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You can set KIE Server to run in production mode or in development mode. Development mode provides a flexible deployment policy that enables you to update existing deployment units (KIE containers) while maintaining active process instances for small changes. It also enables you to reset the deployment unit state before updating active process instances for larger changes. Production mode is optimal for production environments, where each deployment creates a new deployment unit.

In a development environment, you can click Deploy in Business Central to deploy the built KJAR file to a KIE Server without stopping any running instances (if applicable), or click Redeploy to deploy the built KJAR file and replace all instances. The next time you deploy or redeploy the built KJAR, the previous deployment unit (KIE container) is automatically updated in the same target KIE Server.

In a production environment, the Redeploy option in Business Central is disabled and you can click only Deploy to deploy the built KJAR file to a new deployment unit (KIE container) on a KIE Server.

Procedure

  1. To configure the KIE Server environment mode, set the org.kie.server.mode system property to org.kie.server.mode=development or org.kie.server.mode=production.
  2. To configure the deployment behavior for a project in Business Central, go to project Settings General Settings Version and toggle the Development Mode option.

    Note

    By default, KIE Server and all new projects in Business Central are in development mode.

    You cannot deploy a project with Development Mode turned on or with a manually added SNAPSHOT version suffix to a KIE Server that is in production mode.

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