New Features and Release Notes


All updates are cumulative of all prior updates. Updates are distributed as zip files. Follow these directions to apply the update. To upgrade to Flux 8.1, you must be using a 8.0.13 release. 

  1. Shut down any Flux engine and Operations Console instances that are running.
  2. Download and extract the new Flux version to your system. Download the .zip version of the release from
  3. Unzip the downloaded zip file to a temporary directory.
  4. Delete the flux directory inside the <flux home>/webapp/ directory.
  5. Copy the flux.jar and flux.war files from the new release over your existing ones (i.e., <flux home>/flux.jar and <flux home>/webapp/flux.war).
  6. Copy the lib directory from the temporary directory into <flux home>/lib/ directory>
  7. Copy the .sh files from the new release over to your existing one. 
  8. Delete "log4j-1.2.5.jar" from the lib folder.
  9. Restart your engine(s) and web application(s).

After installing Flux, you can optionally enable the real-time Flux Log File Viewer by adding the following entries to the file located in the <user home>/.flux/ and restarting the Flux operations console webapp.


That's it! Your new Flux version is now installed and ready to run.


Note: Flux 8.1 requires JDK. 

Flux 8.1 (31 January 2022)

Flux 8.1 supports log4j version 2.17.1, which patches recent security vulnerabilities including CVE-2021-44228.  

Flux 8.1 supports Java JDK 8, 9, 10, and 11. 

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