"ERROR Loggers cannot be configured without a name" in Spectrum Tomcat log file

Products

• Network Observability
• Spectrum

Issue/Introduction

2025-05-30 15:05:00,644 main ERROR Loggers cannot be configured without a name
2025-05-30 15:05:00,644 main ERROR Could not create plugin of type class org.apache.logging.log4j.core.config.LoggerConfig for element Logger org.apache.logging.log4j.core.config.ConfigurationException: Arguments given for element Logger are invalid: field 'loggerName' has invalid value 'null'

Resolution

Issues with the $SPECROOT/tomcat/classes/log4j2.xml file

Copy from another known working OC system or contact support.

Be sure the OC is a like for like system.  I.e. if it has SRM, it needs to come from an SRM host.