运行由Shade插件构建的独立应用程序时找不到Log4j2配置

运行由Shade插件构建的独立应用程序时找不到Log4j2配置

好吧，我发现这个问题，这个问题。

简而言之，当使用maven shade plugin将应用程序类打包在uber
jar中时，就会出现问题。虽然该

log4j2

版本

2.8.1

的修复程序仍在进行中，但建议的解决方法是

pom.xml

使用阴影插件的额外配置设置来更新Maven
，如下所示：

    <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">        . . . . .        <build> . . . . .  <plugins>     . . . . .      <plugin>         <groupId>org.apache.maven.plugins</groupId>         <artifactId>maven-shade-plugin</artifactId>         <version>2.4.1</version>         <configuration>  <filters>      <filter>          <artifact>*:*</artifact>          <excludes>   <exclude>meta-INF/*.SF</exclude>   <exclude>meta-INF/*.DSA</exclude>   <exclude>meta-INF/*.RSA</exclude>          </excludes>      </filter>  </filters>  <transformers>      <transformer   implementation="com.github.edwgiz.mavenShadePlugin.log4j2CacheTransformer.PluginsCacheFileTransformer"/>  </transformers>         </configuration>         <executions>  <execution>      <phase>package</phase>      <goals>          <goal>shade</goal>      </goals>  </execution>         </executions>         <dependencies>  <dependency>      <groupId>com.github.edwgiz</groupId>      <artifactId>maven-shade-plugin.log4j2-cachefile-transformer</artifactId>      <version>2.1</version>  </dependency>         </dependencies>     </plugin>     . . . . .  </plugins>        . . . . .         </build>        . . . . .         <pluginRepositories> <pluginRepository>     <id>oss.sonatype.org</id>     <name>OSS Sonatype Staging</name>     <url>https://oss.sonatype.org/content/groups/staging</url> </pluginRepository>        </pluginRepositories>   . . . . .     </project>