Analytics Plus upgrade from build 4270 to 4280 failed.

Error trace:

Jul 28, 2019 9:41:06 AM [com.adventnet.tools.update.installer.Backup] [SEVERE] : ERR:The Jar File to be updated is not presentlib\hadoop-0.13.0-core.jar

Text instructions:

1. Stop the Analytics Plus services.

2. Delete the folders "Patch" and "Patches" under ManageEngine\AnalyticsPlus. If you don't find these folders then proceed to the next step.

3. Click here to download the missing "hadoop-0.13.0-core.jar" file and place it under ManageEngine\AnalyticsPlus\lib. If you have any trouble downloading the file, I have attached it as a .txt format, download it then rename it to .jar and place it under the above specified path.