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This topic describes how to check the Controller version and the version of bundled components. This information is useful when troubleshooting the system or performing other administrative tasks. 

Controller Version

In the AppDynamics UI, you can see the version of the Controller from the About AppDynamics dialog box accessible under the Help menu. 

From the command line of the Controller machine, you can get the version number from the README.txt file located in the Controller home directory.  

Bundled Glassfish Server Version

The Glassfish server is installed in <controller_home>/appserver.

The Glassfish server version is Glassfish 3.1.2.2.

Important: AppDynamics maintains and updates the bundled components as part of the standard Controller upgrade process. Do not attempt to upgrade a bundled component independently of the Controller upgrade procedure.

Bundled MySQL Database Version

The AppDynamics Controller uses MySQL as its default database, where it stores configuration data, metrics data, transaction snapshot data and events, and the history of incidents that occurred (both resolved and unresolved incidents are stored). The MySQL database files are installed in <controller_home>/db by default.

The latest AppDynamics release bundles MySQL version 5.5.52.

Important: AppDynamics maintains and updates the bundled components as part of the standard Controller upgrade process. Do not attempt to upgrade a bundled component independently of the Controller upgrade procedure.

Bundled Java Version

The Controller bundles and uses Java 1.7 by default. It include Java 1.8 as an optional Java platform. (See the following section.) 

Configuring the Controller to Use Java 1.8

While the Controller uses Java 1.7 runtime environment by default, it bundles the 1.8 JRE as well, which you can optionally switch to.  

Switching to Java 1.8 requires a restart of the Controller, as described in the following steps.

From a terminal window on the Controller machine, follow these steps to switch the Controller:

  1. Navigate to the the Controller home directory.
  2. Use the controller command script to change the JRE, as follows. 

    • On Linux:

      bin/controller.sh set-controller-java-1.8
    • On Windows 

      bin\controller.bat set-controller-java-1.8
  3. Restart the Controller:
    • On Linux:

      bin/controller.sh stop-appserver
    • On Windows 

      bin\controller.bat stop-appserver

To revert the change, run the command to set the JRE to 1.7, as follows: 

./controller.sh set-controller-java-1.7

When finished, restart the Controller app server. 

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