NoB*_*ner 6 xml log4j maven maven-shade-plugin
maven-shade-plugin我的配置pom.xml:<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.1</version>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
<minimizeJar>true</minimizeJar>
<shadedArtifactAttached>true</shadedArtifactAttached>
<shadedClassifierName>runnable</shadedClassifierName>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.Main</mainClass>
</transformer>
<transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
<resource>META-INF/spring.handlers</resource>
</transformer>
<transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
<resource>META-INF/spring.schemas</resource>
</transformer>
</transformers>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals><goal>shade</goal></goals>
</execution>
</executions>
</plugin>
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log4j.xml:<appender name="ROLLING-LOG" class="org.apache.log4j.DailyRollingFileAppender">
<param name="file" value="${logFileName}" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %p [%c] - %m%n" />
</layout>
</appender>
<appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
<param name="target" value="System.out" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %p [%c] - %m%n" />
</layout>
</appender>
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maven-shade-plugin在构建 uber jar 时会删除未使用的类,但它不会识别、ConsoleAppender或DailyRollingFileAppender,PatternLayout因为它们仅位于log4j.xml.
在maven-shade-plugin配置中,我添加了一个过滤器以强制包含整个 log4j jar。这是一个简单的解决方案,但它最终包含的内容超出了我的需要。
<filter>
<artifact>log4j:log4j</artifact>
<includes>
<include>**</include>
</includes>
</filter>
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在 中Main.java,我包含了这些类,以便它们被识别为正在使用。
static {
@SuppressWarnings("unused")
Class<?>[] classes = new Class<?>[]{
org.apache.log4j.ConsoleAppender.class,
org.apache.log4j.DailyRollingFileAppender.class,
org.apache.log4j.PatternLayout.class
}
}
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有更好的方法吗?(我希望有一个 XML 转换器或者我可以给我的东西log4j.xml,它能够找出使用了哪些附加类。)
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