# 86.7 使用排除创建不可执行的JAR

如果你构建的两个单独的产物既有可执行的jar和非可执行的jar，那你常常需要为可执行的版本添加额外的配置文件，而这些文件在一个library jar中是不需要的。比如，`application.yml`配置文件可能需要从非可执行的JAR中排除。

在Maven里，可执行的jar必须是主要的artifact，并且你可以为类库加入一个分类的jar：

```markup
<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
        <plugin>
            <artifactId>maven-jar-plugin</artifactId>
            <executions>
                <execution>
                    <id>lib</id>
                    <phase>package</phase>
                    <goals>
                        <goal>jar</goal>
                    </goals>
                    <configuration>
                        <classifier>lib</classifier>
                        <excludes>
                            <exclude>application.yml</exclude>
                        </excludes>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>
```


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