线程“主”中的异常java.lang.NoClassDefFoundError(MVN项目)

时间:2019-07-03 19:30:43

标签: java maven

我有使用Netbeans构建的.jar,当我使用以下命令时:java -jar CSVreaderwriter-1.0-SNAPSHOT.jar出现此错误

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/csv/CSVFormat
        at com.mycompany.csvreaderwriter.reader.main(reader.java:27)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.csv.CSVFormat
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 1 more

我的POM文件如下:

<?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.mycompany</groupId>
    <artifactId>CSVreaderwriter</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
    <build>
    <plugins>
        <plugin>
            <!-- Build an executable JAR -->
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <version>2.4</version>
            <configuration>
                <archive>
                    <manifest>
                        <mainClass>com.mycompany.csvreaderwriter.reader</mainClass>
                    </manifest>
                </archive>
            </configuration>
        </plugin>  
      </plugins>
    </build>
    <dependencies>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-csv</artifactId>
            <version>1.7</version>
        </dependency>
    </dependencies>
</project>

我尝试了很多不同的事情,例如使用以下命令:java -cp CSVreaderwriter-1.0-SNAPSHOT.jar com.mycompany.csvreaderwriter.reader, 将所有相关的.jar文件移动到一个文件夹,但是我仍然遇到相同的错误。 为了使此jar文件正常运行,我需要做什么?

0 个答案:

没有答案