jbonofre opened a new issue, #2121:
URL: https://github.com/apache/karaf/issues/2121
When starting a "fresh" Karaf vanilla (4.5.0-SNAPSHOT), a log4j error is
displayed:
```
org.ops4j.pax.logging.pax-logging-api [log4j2] ERROR : Log4J2 configuration
problem: No type attribute provided for component out
2025-10-19T12:35:09.013388Z CM Configuration Updater (Update:
pid=org.ops4j.pax.logging) ERROR Log4J2 configuration problem: No type
attribute provided for component out
org.apache.logging.log4j.core.config.ConfigurationException: No type
attribute provided for component out
at
org.apache.logging.log4j.core.config.properties.PropertiesConfigurationBuilder.createComponent(PropertiesConfigurationBuilder.java:362)
at
org.apache.logging.log4j.core.config.properties.PropertiesConfigurationBuilder.processRemainingProperties(PropertiesConfigurationBuilder.java:206)
at
org.apache.logging.log4j.core.config.properties.PropertiesConfigurationBuilder.build(PropertiesConfigurationBuilder.java:190)
at
org.apache.logging.log4j.core.config.properties.PropertiesConfigurationFactory.getConfiguration(PropertiesConfigurationFactory.java:56)
at
org.ops4j.pax.logging.log4j2.internal.PaxLoggingServiceImpl.configureLog4J2(PaxLoggingServiceImpl.java:520)
at
org.ops4j.pax.logging.log4j2.internal.PaxLoggingServiceImpl.updated(PaxLoggingServiceImpl.java:341)
at
org.ops4j.pax.logging.log4j2.internal.LoggingManagedService.updated(LoggingManagedService.java:37)
at
org.apache.felix.cm.impl.helper.ManagedServiceTracker.updated(ManagedServiceTracker.java:189)
at
org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ManagedServiceTracker.java:152)
at
org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ManagedServiceTracker.java:85)
at
org.apache.felix.cm.impl.ConfigurationManager$UpdateConfiguration.run(ConfigurationManager.java:1418)
at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:122)
at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:84)
at java.base/java.lang.Thread.run(Thread.java:840)
```
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