log4j-1.2.17.jar
log4j-api-2.3.jar
log4j-core-2.3.jar
commons-logging-1.2.jar
log4j.properties示例:
log4j.rootLogger=DEBUG,stdout log4j.logger.org.mybatis=DEBUG log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%5p %d %C: %m%n
log4j的错误处理:
Could not instantiate class [ort.apache.log4j.ConsoleAppender].
ClassNotFoundException ConsoleAppender
原因是因为
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
这个配置可能有拼写错误