log4j.properties(持续更新)

本文详细解析了Log4j的日志配置文件设置,包括rootLogger级别、控制台输出、滚动文件输出、最大文件大小及备份索引等参数,以及特定包的调试级别设定。

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log4j.rootLogger=debug, stdout, R

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

log4j.appender.stdout.layout.ConversionPattern=%5p - %m%n

log4j.appender.R=org.apache.log4j.RollingFileAppender
log4j.appender.R.File=firestorm.log

log4j.appender.R.MaxFileSize=100KB
log4j.appender.R.MaxBackupIndex=1

log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n

log4j.logger.com.codefutures=DEBUG
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.logging.log4j.util.LoaderUtil.getClassLoaders()[Ljava/lang/ClassLoader; at org.apache.logging.log4j.core.impl.ThreadContextDataInjector.getServiceProviders(ThreadContextDataInjector.java:83) at org.apache.logging.log4j.core.impl.ThreadContextDataInjector.initServiceProviders(ThreadContextDataInjector.java:73) at org.apache.logging.log4j.core.impl.ThreadContextDataInjector.getProviders(ThreadContextDataInjector.java:285) at org.apache.logging.log4j.core.impl.ThreadContextDataInjector.access$000(ThreadContextDataInjector.java:55) at org.apache.logging.log4j.core.impl.ThreadContextDataInjector$ForCopyOnWriteThreadContextMap.<init>(ThreadContextDataInjector.java:226) at org.apache.logging.log4j.core.impl.ContextDataInjectorFactory.createDefaultInjector(ContextDataInjectorFactory.java:94) at org.apache.logging.log4j.core.impl.ContextDataInjectorFactory.createInjector(ContextDataInjectorFactory.java:71) at org.apache.logging.log4j.core.impl.ReusableLogEventFactory.<init>(ReusableLogEventFactory.java:42) at org.apache.logging.log4j.core.config.LoggerConfig.<clinit>(LoggerConfig.java:96) at org.apache.logging.log4j.core.config.AbstractConfiguration.<init>(AbstractConfiguration.java:136) at org.apache.logging.log4j.core.config.NullConfiguration.<init>(NullConfiguration.java:32) at org.apache.logging.log4j.core.LoggerContext.<clinit>(LoggerContext.java:85) at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.createContext(ClassLoaderContextSelector.java:254) at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:218) at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:136) at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:123) at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:117) at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:150) at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47) at org.apache.logging.log4j.LogManager.getContext(LogManager.java:196) at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:599) at org.apache.poi.ooxml.POIXMLDocumentPart.<clinit>(POIXMLDocumentPart.java:56) at demo.hkacs.docPage22.main(docPage22.java:29)
06-28
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