如何解决“ JAR将为空-没有内容标记为包含!” Maven的罐子插件?

时间:2019-03-26 07:41:24

标签: java maven

当我运行maven-jar-plugin时,jar:jar出现此警告,并且空的jar文件为空

[警告] JAR将为空-未标记任何内容!

构建成功,但是生成的jar文件为空,如警告所述。

我该如何解决?我试图在所有问题中找到解决方案,但所有解决方案都无法正常工作

这是我的pom.xml:

<?xml version="1.0" encoding="UTF-8"?>
<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.actticus.instdbparse</groupId>
    <artifactId>instDBParse</artifactId>
    <version>1.0-SNAPSHOT</version>
    <dependencies>
        <dependency>
            <groupId>com.github.igor-suhorukov</groupId>
            <artifactId>instagramscraper</artifactId>
            <version>2.2</version>
        </dependency>
        <dependency>
            <groupId>org.brunocvcunha.instagram4j</groupId>
            <artifactId>instagram4j</artifactId>
            <version>1.8</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.14</version>
        </dependency>
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.0</version>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.4</version>
                <configuration>
                    <archive>
                        <index>true</index>
                        <manifest>
                            <mainClass>com.actticus.instdbparse.Main</mainClass>
                        </manifest>
                    </archive>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>1.6.0</version>
                <configuration>
                    <cleanupDaemonThreads>false</cleanupDaemonThreads>
                    <classpathScope>test</classpathScope>
                    <mainClass>Main</mainClass>
                </configuration>
                <executions>
                    <execution>
                        <id>run-selenium</id>
                        <phase>integration-test</phase>
                        <goals><goal>java</goal></goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

1 个答案:

答案 0 :(得分:2)

不要运行mvn jar:jar,而要运行mvn clean packagejar:jar目标只是打包-没有生命周期,没有东西可以打包。

查找“ Maven生命周期”以获取更多背景信息。