<!-- pom.xml --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.7</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.7</version> </dependency>
<!-- src/main/resources/log4j.xml --> <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"> <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"> <appender name="my-file-appender" class="org.apache.log4j.FileAppender"> <param name="file" value="some.file" /> <param name="append" value="true" /> <param name="encoding" value="UTF-8" /> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="%d %t %-5p %c - %m%n" /> </layout> </appender> <appender name="console" class="org.apache.log4j.ConsoleAppender"> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="%d %t %-5p %c - %m%n" /> </layout> </appender> <logger name="com.my.package"> <level value="info" /> <appender-ref ref="my-file-appender" /> </logger> <root> <level value="warn" /> <appender-ref ref="console" /> </root> </log4j:configuration>
If you don’t get expected result, add "-Dlog4j.debug" to your VM options and see the diagnotisc information