为什么我的 log4j2 设置被忽略？

问题描述 投票：0回答：1

log4j2.xml
文件很简单：

<?xml version="1.0"?>
<Configuration>

    <Appenders>
        <Console name="stderr" target="SYSTEM_ERR">
            <PatternLayout
                pattern="Meow %d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n"/>
        </Console>
    </Appenders>

    <Loggers>
        <Root level="INFO">
            <AppenderRef ref="stderr"/>
        </Root>
    </Loggers>
    
</Configuration>

我知道，它正在被Java程序读取，因为，如果故意引入语法错误，程序会抱怨。

但是，当它很清楚时，它就会被忽略。消息被打印到标准错误，但没有“Meow”前缀——并且没有正确的时间戳。每行以数字（从开始起的毫秒数？）、线程 (

[main]
) 和级别 (
INFO
) 开头，而不是使用指定的模式：

1301 [main] INFO com.example.common.util.PFEAppUtil - Retreiving file contents
1303 [main] INFO com.example.common.util.PfeSmsDataUtils - Secrets from existing cache object ..

我做错了什么？

更新：使用

-Dlog4j2.debug
运行后，我从我们自己的代码的第一个日志条目之前打印的
StatusLogger
中获得了以下附加条目。还是不明白，为什么我的模式被忽略:(

DEBUG StatusLogger Using ShutdownCallbackRegistry class org.apache.logging.log4j.core.util.DefaultShutdownCallbackRegistry
DEBUG StatusLogger Took 0,131474 seconds to load 255 plugins from jdk.internal.loader.ClassLoaders$AppClassLoader@137e0d2
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger AsyncLogger.ThreadNameStrategy=UNCACHED (user specified null, default is UNCACHED)
TRACE StatusLogger Using default SystemClock for timestamps.
DEBUG StatusLogger org.apache.logging.log4j.core.util.SystemClock supports precise timestamps.
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger PluginManager 'Converter' found 48 plugins
DEBUG StatusLogger Starting OutputStreamManager SYSTEM_OUT.false.false-1
DEBUG StatusLogger Starting LoggerContext[name=137e0d2, org.apache.logging.log4j.core.LoggerContext@cf93bb]...
DEBUG StatusLogger Reconfiguration started for context[name=137e0d2] at URI null (org.apache.logging.log4j.core.LoggerContext@cf93bb) with optional ClassLoader: null
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger PluginManager 'ConfigurationFactory' found 6 plugins
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger Missing dependencies for Yaml support, ConfigurationFactory org.apache.logging.log4j.core.config.yaml.YamlConfigurationFactory is inactive
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger Missing dependencies for Json support, ConfigurationFactory org.apache.logging.log4j.core.config.json.JsonConfigurationFactory is inactive
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger Using configurationFactory org.apache.logging.log4j.core.config.ConfigurationFactory$Factory@15b7e8
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger Closing FileInputStream java.io.FileInputStream@a41516
DEBUG StatusLogger Apache Log4j Core 2.20 initializing configuration XmlConfiguration[location=/mi/sftdbaas/src/main/resources/log4j2.xml]
DEBUG StatusLogger PluginManager 'Core' found 132 plugins
DEBUG StatusLogger PluginManager 'Level' found 0 plugins
DEBUG StatusLogger PluginManager 'Lookup' found 16 plugins
DEBUG StatusLogger Building Plugin[name=layout, class=org.apache.logging.log4j.core.layout.PatternLayout].
TRACE StatusLogger TypeConverterRegistry initializing.
DEBUG StatusLogger PluginManager 'TypeConverter' found 26 plugins
DEBUG StatusLogger PatternLayout$Builder(pattern="Meow %d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n", PatternSelector=null, Configuration(/mi/sftdbaas/src/main/resources/log4j2.xml), Replace=null, charset="null", alwaysWriteExceptions="null", disableAnsi="null", noConsoleNoAnsi="null", header="null", footer="null")
DEBUG StatusLogger PluginManager 'Converter' found 48 plugins
DEBUG StatusLogger Building Plugin[name=appender, class=org.apache.logging.log4j.core.appender.ConsoleAppender].
DEBUG StatusLogger ConsoleAppender$Builder(target="SYSTEM_ERR", follow="null", direct="null", bufferedIo="null", bufferSize="null", immediateFlush="null", ignoreExceptions="null", PatternLayout(Meow %d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n), name="stderr", Configuration(/mi/sftdbaas/src/main/resources/log4j2.xml), Filter=null, ={})
DEBUG StatusLogger Starting OutputStreamManager SYSTEM_ERR.false.false
DEBUG StatusLogger Building Plugin[name=appenders, class=org.apache.logging.log4j.core.config.AppendersPlugin].
DEBUG StatusLogger createAppenders(={stderr})
DEBUG StatusLogger Building Plugin[name=AppenderRef, class=org.apache.logging.log4j.core.config.AppenderRef].
DEBUG StatusLogger createAppenderRef(ref="stderr", level="null", Filter=null)
DEBUG StatusLogger Building Plugin[name=root, class=org.apache.logging.log4j.core.config.LoggerConfig$RootLogger].
DEBUG StatusLogger LoggerConfig$RootLogger$Builder(additivity="null", level="INFO", levelAndRefs="null", includeLocation="null", ={stderr}, ={}, Configuration(/mi/sftdbaas/src/main/resources/log4j2.xml), Filter=null)
DEBUG StatusLogger Building Plugin[name=loggers, class=org.apache.logging.log4j.core.config.LoggersPlugin].
DEBUG StatusLogger createLoggers(={root})
DEBUG StatusLogger Configuration XmlConfiguration[location=/mi/sftdbaas/src/main/resources/log4j2.xml] initialized
DEBUG StatusLogger Starting configuration XmlConfiguration[location=/mi/sftdbaas/src/main/resources/log4j2.xml]
DEBUG StatusLogger Started configuration XmlConfiguration[location=/mi/sftdbaas/src/main/resources/log4j2.xml] OK.
TRACE StatusLogger Stopping org.apache.logging.log4j.core.config.DefaultConfiguration@b4fe2a...
TRACE StatusLogger DefaultConfiguration notified 1 ReliabilityStrategies that config will be stopped.
TRACE StatusLogger DefaultConfiguration stopping root LoggerConfig.
TRACE StatusLogger DefaultConfiguration notifying ReliabilityStrategies that appenders will be stopped.
TRACE StatusLogger DefaultConfiguration stopping remaining Appenders.
DEBUG StatusLogger Shutting down OutputStreamManager SYSTEM_OUT.false.false-1
DEBUG StatusLogger OutputStream closed
DEBUG StatusLogger Shut down OutputStreamManager SYSTEM_OUT.false.false-1, all resources released: true
DEBUG StatusLogger Appender DefaultConsole-1 stopped with status true
TRACE StatusLogger DefaultConfiguration stopped 1 remaining Appenders.
TRACE StatusLogger DefaultConfiguration cleaning Appenders from 1 LoggerConfigs.
DEBUG StatusLogger Stopped org.apache.logging.log4j.core.config.DefaultConfiguration@b4fe2a OK
TRACE StatusLogger Reregistering MBeans after reconfigure. Selector=org.apache.logging.log4j.core.selector.ClassLoaderContextSelector@1aa0fbd
TRACE StatusLogger Reregistering context (1/1): '137e0d2' org.apache.logging.log4j.core.LoggerContext@cf93bb
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2'
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2,component=StatusLogger'
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2,component=ContextSelector'
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2,component=Loggers,name=*'
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2,component=Appenders,name=*'
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2,component=AsyncAppenders,name=*'
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2,component=AsyncLoggerRingBuffer'
TRACE StatusLogger Unregistering but no MBeans found matching 'org.apache.logging.log4j2:type=137e0d2,component=Loggers,name=*,subtype=RingBuffer'
DEBUG StatusLogger Registering MBean org.apache.logging.log4j2:type=137e0d2
DEBUG StatusLogger Registering MBean org.apache.logging.log4j2:type=137e0d2,component=StatusLogger
DEBUG StatusLogger Registering MBean org.apache.logging.log4j2:type=137e0d2,component=ContextSelector
DEBUG StatusLogger Registering MBean org.apache.logging.log4j2:type=137e0d2,component=Loggers,name=
DEBUG StatusLogger Registering MBean org.apache.logging.log4j2:type=137e0d2,component=Appenders,name=stderr
TRACE StatusLogger Using default SystemClock for timestamps.
DEBUG StatusLogger org.apache.logging.log4j.core.util.SystemClock supports precise timestamps.
TRACE StatusLogger Using DummyNanoClock for nanosecond timestamps.
DEBUG StatusLogger Reconfiguration complete for context[name=137e0d2] at URI /mi/sftdbaas/src/main/resources/log4j2.xml (org.apache.logging.log4j.core.LoggerContext@cf93bb) with optional ClassLoader: null
DEBUG StatusLogger Shutdown hook enabled. Registering a new one.
DEBUG StatusLogger LoggerContext[name=137e0d2, org.apache.logging.log4j.core.LoggerContext@cf93bb] started OK.
java log4j2
1个回答
0
投票

此代码中的实际日志记录不是通过 log4j 直接完成的，而是通过 slf4j 完成的。

并且一些较旧的依赖项（依赖项）正在拖入 log4j-1.2 JAR，因此，正如 @jorge-campos 和 @piotr-p-karwasz 所怀疑的那样，日志条目不是由 log4j2 处理的，而是由旧版本处理的（已过时）版本。

我整理了依赖关系，现在一切正常了。

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