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Chapter 4. Business application execution

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By default, business applications contain a single executable project, the service project. You can execute the service project on Windows or Linux, in standalone (unmanaged) or development (managed) mode. Standalone mode enables you to start your application without additional requirements. Applications started in development mode require Business Central to be available as the Decision Manager controller.

4.1. Running business applications in standalone mode

Standalone (unmanaged) mode enables you to start your business application without additional requirements.

Prerequisites

  • You have a <business-application>.zip file that you created using the business applications website.
  • The business application is configured.

Procedure

  1. Navigate to the <business-application>/<business-application>-service folder.
  2. Enter one of the following commands:

    Table 4.1. Standalone launch options

    Command

    Description

    ./launch.sh clean install

    Launches in standalone mode on Linux or UNIX.

    ./launch.bat clean install

    Launches in standalone mode on Windows.

    ./launch.sh clean install -Pmysql

    Launches in standalone mode on Linux or UNIX if you have configured the application with a MySQL database.

    ./launch.bat clean install -Pmysql

    Launches in standalone mode on Windows if you have configured the application with a MySQL database.

    ./launch.sh clean install -Ppostgres

    Launches in standalone mode on Linux or UNIX if you have configured the application with a postgreSQL database.

    ./launch.bat clean install -Ppostgres

    Launches in standalone mode on Windows if you have configured the application with a PostgreSQL database.

    The clean install argument directs Maven to build a fresh installation. The projects are then built in the following order:

    • Data model
    • Business assets
    • Service

      The first time that you run the script, it might take a while to build the project because all dependencies of the project are downloaded. At the end of the build, the application starts.

  3. Enter the following command to access your business application:

    http://localhost:8090/
  4. Enter the credentials user/user or kieserver/kieserver1!.

4.2. Running business applications in development mode

Development (managed) mode enables developers to work on a Red Hat Decision Manager business application business assets project and dynamically deploy changes to the business application without the need to restart it. In addition, development mode provides a complete monitoring environment for business automation capabilities, for example process instances, tasks, and jobs.

Prerequisites

  • You have a <business-application>.zip file that contains a business assets project, that you created using the business applications website.
  • You configured the business application.
  • Business Central is installed and running.

Procedure

  1. Navigate to the <business-application>/<business-application>-service folder.
  2. Enter one of the following commands:

    Table 4.2. Managed launch options

    Command

    Description

    ./launch-dev.sh clean install

    Launches in development mode on Linux or UNIX.

    ./launch-dev.bat clean install

    Launches in development mode on Windows.

    ./launch-dev.sh clean install -Pmysql

    Launches in development mode on Linux or UNIX if you have configured the application with a MySQL database.

    ./launch-dev.bat clean install -Pmysql

    Launches in development mode on Windows if you have configured the application with a MySQL database.

    ./launch-dev.sh clean install -Ppostgres

    Launches in development mode on Linux or UNIX if you have configured the application with a postgreSQL database.

    ./launch-dev.bat clean install -Ppostgres

    Launches in development mode on Windows if you have configured the application with a PostgreSQL database.

    The clean install argument directs Maven to build a fresh installation. The projects are then built in the following order:

    • Data model
    • Business assets
    • Service

      The first time that you run the script, it might take a while to build the project because all dependencies of the project are downloaded. At the end of the build, the application starts.

  3. Enter the following command to access your business application:

    http://localhost:8090/
  4. Enter the credentials user/user or kieserver/kieserver1!. After the business application starts, it connects to the Decision Manager controller and is visible in Menu Deploy Execution Servers in Business Central.
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