Apex Upgrade Fails with ORA-04021: Timeout Occurred While Waiting to Lock Object

(Doc ID 2198011.1)

Last updated on OCTOBER 31, 2016

Applies to:

Oracle Application Express (formerly HTML DB) - Version and later
Information in this document applies to any platform.


1. Upgrading APEX from 4.2.X to 5.0.X.
2. Installation log shows:



 APEX was upgraded.


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