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Custom Building Block Issues

Date Published: May 15,2019

CategoryPlanned First Fix Release:Will Not Fix; Product:Extensions; Version:SaaS
Article No.: 000050587
Blackboard Learn
Service Pack(s):
Issue Description:
Spring jars are not compatible with JDK11 causing custom Building Blocks to have errors when accessing the Settings page.
Steps to Repeat:
  1. Log into Blackboard Learn as a System Administrator
  2. Upload a custom Building Block to the System
  3. Go to System Administrator > Building Blocks > Installed Tools > [Custom Building Block] chevron > Settings

Expected Behavior:
The settings page opens for the Building Block 

Observed Behavior:
An error is thrown

Servlet.init() for servlet [nmelSupportTool] threw exception Sealing violation loading : Package is sealed.


This specific issue is not being actively fixed as a Learn issue, as the problem will resolve with an upcoming update to the Spring Jars.

Target Release:

Will Not Fix

Patch Available:


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