12c Webcenter Sites Suddenly Cannot Start: 503 Error When Accessing Sites

(Doc ID 2392498.1)

Last updated on APRIL 30, 2018

Applies to:

Oracle WebCenter Sites - Version 12.2.1.2.0 and later
Information in this document applies to any platform.

Symptoms

WebCenter Sites Server returns 503 error when user accesses Webcenter Sites.

There are no obvious error log in sites.log and server log. Server is in running status

Restarting server doesn't help.

Changes

 Unexpected Hardware Power off

Cause

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