关于log4j配置问题

2016-06-27 03:30:33 1.1k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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小弟今天刚接触一个框架Mina,简单的做了个demo,需要配置日志输出,但是启动服务端的时候报错

log4j:ERROR Could not instantiate class [org.apache.log4j.PatternLayout     ].

java.lang.ClassNotFoundException: org.apache.log4j.PatternLayout     

	at java.net.URLClassLoader$1.run(Unknown Source)

	at java.net.URLClassLoader$1.run(Unknown Source)

	at java.security.AccessController.doPrivileged(Native Method)

	at java.net.URLClassLoader.findClass(Unknown Source)

	at java.lang.ClassLoader.loadClass(Unknown Source)

	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

	at java.lang.ClassLoader.loadClass(Unknown Source)

	at java.lang.Class.forName0(Native Method)

	at java.lang.Class.forName(Unknown Source)

	at org.apache.log4j.helpers.Loader.loadClass(Loader.java:198)

	at org.apache.log4j.helpers.OptionConverter.instantiateByClassName(OptionConverter.java:327)

	at org.apache.log4j.helpers.OptionConverter.instantiateByKey(OptionConverter.java:124)

	at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:797)

	at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:768)

	at org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:648)

	at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:514)

	at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:580)

	at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:526)

	at org.apache.log4j.LogManager.<clinit>(LogManager.java:127)

	at org.apache.log4j.Logger.getLogger(Logger.java:117)

	at T20160627.MinaServer.<clinit>(MinaServer.java:17)

log4j:ERROR Could not find value for key log4j.appender.file  

log4j:ERROR Could not instantiate appender named "file  ".

log4j:ERROR No layout set for the appender named [MINA].

哪位大神能否指点我一下呢,下面是log4j.properties配置

log4j.rootLogger=DEBUG,MINA,file  

log4j.appender.MINA=org.apache.log4j.ConsoleAppender

log4j.appender.MINA.layout=org.apache.log4j.PatternLayout     

log4j.appender.MINA.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss,SSS} %-5p %c{1} %x - %m%n  

log4j.appender.file=org.apache.log4j.RollingFileAppender 

log4j.appender.file.File=./log/minademos.log 

log4j.appender.file.MaxFileSize=5120KB 

log4j.appender.file.MaxBackupIndex=10 

log4j.appender.file.layout=org.apache.log4j.PatternLayout

log4j.appender.file.layout.ConversionPattern=[VAMS][%d] %p | %m | [%t] %C.%M(%L)%n

...全文

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