After upgrade it is not possible to log into the web interface

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Environment

SUSE Manager Server 4.2
SUSE Manager Server 4.3

Situation

After upgrading the server from 4.2.x to 4.3.x the following error messages are logged when attempting to log into the web user interface;

In "/var/log/rhn/rhn_web_ui.log":

2023-02-27 10:23:44,356 [ajp-nio-0:0:0:0:0:0:0:1-8009-exec-3] WARN org.hibernate.engine.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 42P01
2023-02-27 10:23:44,357 [ajp-nio-0:0:0:0:0:0:0:1-8009-exec-3] ERROR org.hibernate.engine.jdbc.spi.SqlExceptionHelper - ERROR: relation "hibernate_sequence" does not exist Position: 17
2023-02-27 10:23:44,357 [ajp-nio-0:0:0:0:0:0:0:1-8009-exec-3] ERROR com.redhat.rhn.frontend.servlets.SessionFilter - Error during transaction. Rolling back org.hibernate.exception.SQLGrammarException: could not extract ResultSet

In "/var/lib/pgsql/data/log/postgresql-<date>_*.log":

2023-02-27 10:23:00.082 CET susemanager susemanager [13423]STATEMENT: select 'c3p0 ping' from dual
2023-02-27 10:23:00.106 CET susemanager susemanager [13151]ERROR: relation "hibernate_sequence" does not exist at character 17
2023-02-27 10:23:00.106 CET susemanager susemanager [13151]STATEMENT: select nextval ('hibernate_sequence')
2023-02-27 10:23:00.107 CET susemanager susemanager [13151]ERROR: current transaction is aborted, commands ignored until end of transaction block
2023-02-27 10:23:00.107 CET susemanager susemanager [13151]STATEMENT: select 'c3p0 ping' from dual

Resolution

Run "zypper patch" or "zypper up" to make sure all available updates are installed.

Cause

After the upgrade there is a version mismatch between some of the "spacewalk-java*" packages, for example:

spacewalk-java-lib
spacewalk-java-postgresql
spacewalk-java
spacewalk-java-config

Disclaimer

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