Hi @parksanghun
Welcome to the Atlassian Community!
The exception you provided indicates that the Java environment running your Crucible instance is failing to initialize its graphics/image rendering libraries.
Depending on your server operating system, this can be fixed by:
If running on Linux, add -Djava.awt.headless=true to your Java arguments in your Crucible startup configuration script to run in "headless" mode.
If running on Windows, you can fix it by
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.