OHS/mod_plsql Error - "MODPLSQL-000058: Mod_plsql: HTTP-503 ORA-21561 ORA-21561: OID Generation Failed"

(Doc ID 2302245.1)

Last updated on AUGUST 31, 2017

Applies to:

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


Oracle HTTP Server with mod_plsql intermittently fails with 503 error accessing the database. The below errors logged in OHS server log:

[OHS] [ERROR:32] [OHS-9999] [core.c] [client_id: xx.xx.xx.xx] [host_id: xxxx] [host_addr: xxx.xxx.xxx.xxx] [tid: xxxx] [user: xxxxxxx] [ecid: xxxxxxx] [rid: 0] [VirtualHost: main] MODPLSQL-000058: mod_plsql: HTTP-503 ORA-21561 ORA-21561: OID generation failed\n, referer: http://xxx.xxx.xxx.xxx/dad-context-root



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