Rsyslog service can not start after update to rsyslog-8.2106.0-8.5.2.x86_64

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Environment

SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applica­tions 12 SP5

Situation

The rsyslog service failed after updating rsyslog directly to the latest version as shown below. # zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2314 Refreshing service 'SUSE_Linux_Enterprise_Server_x86_64'. Loading repository data... Reading installed packages... Resolving package dependencies... The following NEW patch is going to be installed:   SUSE-SLE-SERVER-12-SP5-2022-2314 The following package is going to be upgraded:   rsyslog 1 package to upgrade. Overall download size: 746.3 KiB. Already cached: 0 B. After the operation, additional 396.9 KiB will be used. Continue? [y/n/...? shows all options] (y):  Retrieving package rsyslog-8.2106.0-8.5.2.x86_64       (1/1), 746.3 KiB (  2.3 MiB unpacked) Retrieving: rsyslog-8.2106.0-8.5.2.x86_64.rpm ....................[done] Checking for file conflicts: .....................................[done] (1/1) Installing: rsyslog-8.2106.0-8.5.2.x86_64 ..................[done] Additional rpm output: Updating /etc/sysconfig/syslog... Job for rsyslog.service failed because the control process exited with error code. See "systemctl status rsyslog.service" and "journalctl -xe" for details. The service status shows rsyslog.service in a failed state. # systemctl status rsyslog.service ● rsyslog.service - System Logging Service    Loaded: loaded (/usr/lib/systemd/system/rsyslog.service; enabled; vendor preset: disabled)    Active: failed (Result: start-limit) since Thu 2022-07-21 21:09:05 CST; 1min 13s ago      Docs: man:rsyslogd(8)            http://www.rsyslog.com/doc/   Process: 6596 ExecStart=/usr/sbin/rsyslogd -n -iNONE $RSYSLOGD_PARAMS (code=exited, status=127)   Process: 6591 ExecStartPre=/usr/sbin/rsyslog-service-prepare (code=exited, status=0/SUCCESS)  Main PID: 6596 (code=exited, status=127) Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Unit entered failed state. Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Failed with result 'exit-code'. Jul 21 21:09:05 12sp5 systemd[1]: Starting System Logging Service... Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Main process exited, code=exited, status=127/n/a Jul 21 21:09:05 12sp5 systemd[1]: Failed to start System Logging Service. Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Unit entered failed state. Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Failed with result 'exit-code'. Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Start request repeated too quickly. Jul 21 21:09:05 12sp5 systemd[1]: Failed to start System Logging Service. Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Failed with result 'start-limit'. The journal log shows an error. # journalctl -xe  Jul 21 21:09:05 12sp5 systemd[1]: rsyslog.service: Main process exited, code=exited, status=127 Jul 21 21:09:05 12sp5 systemd[1]: Failed to start System Logging Service. -- Subject: Unit rsyslog.service has failed When attempting to run the rsyslogd daemon, the following error is observed. # /usr/sbin/rsyslogd  /usr/sbin/rsyslogd: symbol lookup error: /usr/sbin/rsyslogd: undefined symbol: fjson_global_do_case_sensitive_comparison

Resolution

Install the latest update for libfastjson4 . # zypper install -t patch SUSE-SLE-SERVER-12-SP5-2022-2028

Cause

The latest rsyslogd depends on libfastjson4 library file.

Additional Information

This issue does not occur when the system is fully updated. The libfastjson4 patch will be updated together.

Disclaimer

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