After an update of the underlying Oracle Database from 12.2 to 9.3 the JWPs can no longer start.
At command line interface level the following error is thrown when a startup is attempted:
U00045014 Exception 'java.lang.UnsatisfiedLinkError: "no ocijdbc12 in java.library.path: [/opt/oracle/base/product/client_193000/lib, /usr/lib, /lib, /usr/java/packages/lib, /usr/lib64, /lib64, /lib, /usr/lib]"' at java.lang.ClassLoader.loadLibrary():2670'
All main Oracle System Variables are configured as required: LD_LIBRARY_PATH, TNS_ADMIN, ORACLE_HOME, ORACLE_SID...
AE 12.3.1
Oracle DBMS 19.3
The problem may come from the JDBC driver that is not up to date.
Download the most recent JDBC driver from that link:
https://www.oracle.com/database/technologies/appdev/jdbc-ucp-19c-downloads.html
Installing the ojdbc10.jar helps to fix the problem in this particular case.
Donwload the most recent JDBC driver accepted by this Oracle version from that link:
https://www.oracle.com/database/technologies/appdev/jdbc-ucp-19c-downloads.html
Installing the ojdbc10.jar helps to fix the problem in this particular case.