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 and later
Information in this document applies to any platform.


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.


 Unexpected Hardware Power off


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