log4j2主参数不会被名称所占用



我正在尝试使用特定模式编写log4j2日志:

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout charset="UTF-8"
pattern="%d{HH:mm:ss.SSS} ${main:-jobId} %-5.-5level %-25.-25c{1}%-25.-25method(%5.5line) - %msg%n" />
</Console>
<RollingFile name="LogFile" fileName="${sys:logFile}"
filePattern="${sys:logFile}-%d{MM-dd-yyyy}-%i.log.gz">
<PatternLayout charset="UTF-8"
pattern="%d{yyy-MM-dd HH:mm:ss.SSS} ${main:-jobId} [%-30.-30t] %-5.-5level %-25.-25c{1}%-25.-25method(%5.5line) - %msg%n" />
<Policies>
<TimeBasedTriggeringPolicy />
<SizeBasedTriggeringPolicy size="100 MB" />
</Policies>
</RollingFile>
</Appenders>
<Loggers>
<Root level="trace">
<AppenderRef ref="LogFile" level="debug" />
<AppenderRef ref="Console" level="info" />
</Root>
</Loggers>
</Configuration>

我传递了一些参数-o abc-d def-jobId 1234-DlogFile/usr/lib/logpath.log这适用于系统参数,但日志打印为:

15:33:34.889 jobId INFO  Test           main                     (   74) - -b
15:33:34.890 jobId INFO  Test           main                     (   74) - -o
15:33:34.890 jobId INFO  Test           main                     (   74) - account
15:33:34.890 jobId INFO  Test           main                     (   74) - document
15:33:34.890 jobId INFO  Test           main                     (   74) - -d
15:33:34.891 jobId INFO  Test           main                     (   74) - rest
15:33:34.891 jobId INFO  Test           main                     (   74) - -l
15:33:34.891 jobId INFO  Test           main                     (   74) - 100
15:33:34.891 jobId INFO  Test           main                     (   74) - -skipmd
15:33:34.891 jobId INFO  Test           main                     (   74) - -db
15:33:34.891 jobId INFO  Test           main                     (   74) - -jobId
15:33:34.891 jobId INFO  Test           main                     (   74) - 1234

主代码以:开头

public static void main(String[] args) throws Exception
{
MainMapLookup.setMainArguments(args);
for (String s : args)
logger.info(s);
...
}

我尝试过使用基于索引的参数,它很有效。然而,主参数查找似乎不起作用。我是不是遗漏了什么?

也许是一个离题的问题,在日志中处理系统变量而不是主要参数的合法用例是什么?

它不起作用的原因是MainMapLookup(按名称)和StrSubstitator默认值分隔符之间的格式冲突。

${main:-jobId}被解析为属性mainjobId

这是此处报告的一个已知错误:https://issues.apache.org/jira/browse/LOG4J2-1013

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