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Apex 22.1. 503 Service Unavailable when running an application

Hoa TMay 18 2022 — edited May 18 2022

Hi All,
Has anyone encounter this 503 error when running an apex application in apex 22.1?
503 Service Unavailable
The connection pool named: apex is a template pool and cannot be connected to directly
I can get into the application builder and all the other pages with no issues. But as soon as we run the application it comes up with this 503 error.
I am running tomcat (9.0.59), ords (21.4) and oracle database (19.14).
I have apex 21.2 running in a separate pdb and it is working fine. So I don't think any of my pool configurations is misconfigured.
I checked out the localhost_access_log.txt and it looks like apex is redirected this incorrectly? missing pdb from its url.
the apex 22.1 (pdb toht_erms) with error 503 when application 105 is run:
20.20.20.6 - - [18/May/2022:13:03:55 +1000] "GET /apex/toht_erms/f?p=105::6504010555832::::: HTTP/1.1" 302 5
20.20.20.6 - - [18/May/2022:13:03:56 +1000] "GET /apex/toht_erms/r/toht_erms/toht-erms/home?session=6504010555832 HTTP/1.1" 302 5
20.20.20.6 - - [18/May/2022:13:03:56 +1000] "GET **/apex/r/toht_erms/**toht-erms/login?session=10204023520707 HTTP/1.1" 503 16330
and
apex 21.2 ( pdb toht_erms_2) is working correctly running the same application 105:
20.20.20.6 - - [18/May/2022:13:01:02 +1000] "GET /apex/toht_erms_2/f?p=105::4009012671415::::: HTTP/1.1" 302 5
20.20.20.6 - - [18/May/2022:13:01:03 +1000] "GET /apex/toht_erms_2/toht_erms/r/toht-erms/home?session=4009012671415 HTTP/1.1" 302 5
20.20.20.6 - - [18/May/2022:13:01:04 +1000] "GET /apex/toht_erms_2/toht_erms/r/toht-erms/login?session=7956304684197 HTTP/1.1" 200 14360

So the missing pdb (toht_erms) after the /apex in the url for apex 22.1

Anyone else encountered the same problems?
or any help for me to resolve this will be appreciated.

Regards,
Hoa

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Added on May 18 2022
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