maven打的jars项目,log4j不会输出日志
2015-12-25 12:11
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通过maven打完包,运行jars时,会输出警告
将jars包解压后,确实发现包中并没有我写的log4j.xml
网上查了一下
http://stackoverflow.com/questions/27250001/maven-log4j-no-appenders-could-be-found-for-logger
需要在pom.xml中配置resources。配置后,解压发现即会有log4j,运行jars,日志也可成功输出。 我的配置文件如下 ,标红的即是resources(注意配置的是资源路径,只要是需要打包的资源理论上都要扔到resources目录中)
log4j:WARN No appenders could be found for logger (com.dlht.DataCenterSYNC.opt.App). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
将jars包解压后,确实发现包中并没有我写的log4j.xml
网上查了一下
http://stackoverflow.com/questions/27250001/maven-log4j-no-appenders-could-be-found-for-logger
需要在pom.xml中配置resources。配置后,解压发现即会有log4j,运行jars,日志也可成功输出。 我的配置文件如下 ,标红的即是resources(注意配置的是资源路径,只要是需要打包的资源理论上都要扔到resources目录中)
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.dlht</groupId> <artifactId>DataCenterSYNC</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>DataCenterSYNC</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.28</version> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.4.2</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.16</version> </dependency> <dependency> <groupId>c3p0</groupId> <artifactId>c3p0</artifactId> <version>0.9.1.2</version> </dependency> <dependency> <groupId>commons-cli</groupId> <artifactId>commons-cli</artifactId> <version>1.3.1</version> </dependency> </dependencies> <build> <finalName>DataCenerSync</finalName> <resources> <resource> <directory>src/main/java</directory> </resource> </resources> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-resources-plugin</artifactId> <version>2.5</version> <configuration> <encoding>UTF-8</encoding> </configuration> </plugin> <plugin> <groupId> org.apache.maven.plugins</groupId> <artifactId> maven-shade-plugin</artifactId> <version>2.3</version> <executions> <execution> <phase>package</phase> <goals> <goal>shade</goal> </goals> <configuration> <transformers> <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> <mainClass>com.dlht.DataCenterSYNC.opt.App</mainClass> <!--这里运行类! --> </transformer> </transformers> </configuration> </execution> </executions> </plugin> </plugins> </build> </project>
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