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AWTError: Can't Connect to X11 Window Server (Doc ID 2692794.1)

Last updated on SEPTEMBER 11, 2024

Applies to:

Oracle WebLogic Server - Version 12.2.1.3.0 and later
Information in this document applies to any platform.

Symptoms

After OS patching,  Java application is failed to process document due to X11 error.
" java.awt.AWTError: Can't connect to X11 window server using '[hostname:port]' as the value of the DISPLAY variable."

Same exception persists after rolling back to a snapshot before OS patching


ERROR:

Cause

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In this Document
Symptoms
Cause
Solution


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