Denis Treskunov created LOG4J2-94:
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Summary: Variable substitution: ${sys:foo} defaults to <property
name=":foo">, should default to <property name="foo">
Key: LOG4J2-94
URL: https://issues.apache.org/jira/browse/LOG4J2-94
Project: Log4j 2
Issue Type: Bug
Components: Core
Affects Versions: 2.0-beta1
Reporter: Denis Treskunov
Fix For: 2.0-beta2
The following configuration doesn't work (${sys:log.level} can't be resolved
even though default value is provided).
<?xml version="1.0" encoding="UTF-8"?>
<configuration status="OFF">
<properties>
<property name="log.level">error</property>
<property name=":log.level">ACTUALLY_GETS_USED</property>
</properties>
<appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} -
%msg%n"/>
</Console>
</appenders>
<loggers>
<root level="${sys:log.level}">
<appender-ref ref="Console"/>
</root>
</loggers>
</configuration>
In org.apache.logging.log4j.core.lookup.Interpolator.lookup(LogEvent, String),
on line 110,
var = var.substring(prefixPos) should be var = var.substring(prefixPos + 1)
instead.
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