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I'm developing an application with maven. I need to package it using mvn clean package to generate a jar. But when I run my application I've got this Exception :

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
        at copyapp.file.CopyFile.copy(CopyFile.java:23)
        at copyapp.model.CopyAppModel.copyFile(CopyAppModel.java:65)
        at copyapp.instanciation.CommandLineApp.run(CommandLineApp.java:46)
        at copyapp.instanciation.CommandLineApp.<init>(CommandLineApp.java:15)
        at copyapp.instanciation.CommandLineAppFactory.createApplication(CommandLineAppFactory.java:7)
        at copyapp.client.mycp.main(mycp.java:32)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.io.FileUtils
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
        ... 6 more

I use common-io dependency but this one seems not included in my jar.

Here is what I tried on my 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>groupId</groupId>
    <artifactId>projet-al-drouin-guillory</artifactId>
    <version>1.0-SNAPSHOT</version>


    <dependencies>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.6</version>
        </dependency>
    </dependencies>

    <build>

        <finalName>projet-al-drouin-guillory</finalName>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.1.0</version>
                </plugin>
                <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.8.0</version>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                    </configuration>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.22.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-jar-plugin</artifactId>
                    <version>3.0.2</version>
                    <configuration>
                        <archive>
                            <manifest>
                                <mainClass>copyapp.client.mycp</mainClass>
                            </manifest>
                        </archive>
                    </configuration>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
                <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
                <plugin>
                    <artifactId>maven-site-plugin</artifactId>
                    <version>3.7.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-project-info-reports-plugin</artifactId>
                    <version>3.0.0</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

</project>

But nothing changed. I searched a lot of solution on stackoverflow but nothing worked

Nemtecl
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  • How do You use the output jar later? Standalone application? Web application? ... – zolv May 18 '19 at 20:24
  • Standalone application – Nemtecl May 18 '19 at 20:26
  • Check [this](https://stackoverflow.com/questions/9542974/maven-embed-dependency-artifact-code-in-jar) – zolv May 18 '19 at 20:27
  • 1
    Possible duplicate of [How can I create an executable JAR with dependencies using Maven?](https://stackoverflow.com/questions/574594/how-can-i-create-an-executable-jar-with-dependencies-using-maven) – J Fabian Meier May 18 '19 at 20:50

0 Answers0