[FRS-420] The ‘Used Memory’ in the Enterprise Dashboard has negavite values


This technote will guide readers through a common issue found in the Enterprise Dashboard and more specifically in the 'Used Memory' field, which will appear to display negative values. However, the server would run as expected and the issue appears only in the Enterprise Dashboard and between versions 5.0.x and 5.2.6.

More details

The issue appears to occur due to the incompatibility of the FRAM instance and the FusionReactor instance version. The issue was identified in the following versions;

  • FRAM instance 5.0.9 version
  • FusionReactor instance 6.2.7 version

Initially, FusionReactor 5.0.9 was installed in the environment, a FusionReactor instance was installed via the Instance Manager and a new group of servers was created in the Enterprise Dashboard. Afterwards, the FusionReactor instance was updated to the latest version of FusionReactor (6.2.7) without updating the FRAM instance. Usually this issue occurs due to the fact that users initially use the automated installer but later they choose to use the manual update process in order to update the FusionReactor instances and as a result, they forgot to update the FRAM instance.

After the update of the FusionReactor instance, the user can see something similar to the screenshot below in the Enterprise Dashboard area.

As you can observe, the 'Used Memory' field is set to -635 MB.


The issue was solved by updating the FRAM instance to the latest version available. This can be achieved by executing the latest installer OR by replacing the fusionreactor.jar in the following directories

{FusionReactor installation directory}/instance/FRAM and {FusionReactor installation directory}

/etc/lib with the latest fusionreactor.jar (6.2.7). It is recommended however, to use the latest automated installer for the update process.

You can get a copy of the latest FusionReactor version from our website found here OR from your FusionReactor Portal account (if any) and by navigating to the 'Downloads' area.

If you have further questions or issues, please feel free to get in touch with the FusionReactor Support Team on support@fusion-reactor.com

Issue Details

Type: Technote
Issue Number: FRS-420
Components: Enterprise Dashboard
Resolution: Fixed
Last Updated: 24/Aug/17 6:07 PM
Affects Version:
Fixed Version: 5.2.7, 6.x
Related Issues:

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