virajjasani opened a new issue, #1227:
URL: https://github.com/apache/logging-log4j2/issues/1227
## Description
Using log4j2.properties to define AsyncAppender and have RFA added to the
AsyncAppender. Somehow the appender ref is not correctly getting identified and
hence it's resulting in error.
## Configuration
**Version:** 2.17.2
**Operating system:** MacOS 13.2
**JDK:** 1.8.0_341
log4j2.properties:
```
appender.DRFA.type = RollingFile
appender.DRFA.name = DRFA
appender.DRFA.fileName = xyz
appender.DRFA.filePattern = xyz
appender.DRFA.createOnDemand = true
appender.DRFA.layout.type = PatternLayout
appender.DRFA.layout.pattern = %d{ISO8601} %-5p [%t] %c{2}: %.1000m%n
appender.DRFA.policies.type = Policies
appender.DRFA.policies.time.type = TimeBasedTriggeringPolicy
appender.DRFA.policies.time.interval = 1
appender.DRFA.policies.time.modulate = true
appender.DRFA.policies.size.type = SizeBasedTriggeringPolicy
appender.DRFA.policies.size.size = 256MB
appender.DRFA.strategy.type = DefaultRolloverStrategy
appender.DRFA.strategy.max = 20
appender.ASYA.type = Async
appender.ASYA.name = ASYA
appender.ASYA.appenderRefs = DRFA
appender.ASYA.blocking = true
appender.ASYA.bufferSize = 256
```
This results in error:
```
2023-01-26 00:58:07,944 main ERROR No appender references provided to
AsyncAppender: appenderRefs
2023-01-26 00:58:07,951 main DEBUG AsyncAppender$Builder(={},
errorRef="null", blocking="true", shutdownTimeout="null", bufferSize="256",
name="ASYA", includeLocation="null", Configuration(PropertiesConfig),
ignoreExceptions="null", BlockingQueueFactory=null, Filter=null, ={})
2023-01-26 00:58:07,951 main ERROR Could not create plugin of type class
org.apache.logging.log4j.core.appender.AsyncAppender for element Async
org.apache.logging.log4j.core.config.ConfigurationException: Arguments given
for element Async are invalid: field 'appenderRefs' has invalid value
'[Lorg.apache.logging.log4j.core.config.AppenderRef;@35cabb2a'
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.injectFields(PluginBuilder.java:212)
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:123)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1122)
...
...
...
```
Tried these options but they are not able to attach ref:
```
appender.ASYA.appenderRefs.ref = DRFA
appender.ASYA.appenderRefs.DRFA.ref = DRFA
appender.ASYA = DRFA
```
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