java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContext maven

Question

I am new to spring and maven. I have a simple hello world project using Spring . The project builds successfully but i face the following error at runtime:

Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContext

This is the main app: App.java

package com.test.SpringMaven2;

import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;



/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args )
    {
        System.out.println( "Hello World!" );
        System.out.println( "Hello World!" );
        ApplicationContext context = new AnnotationConfigApplicationContext(HelloWorldConfig.class);

        HelloWorld hello = (HelloWorld) context.getBean("helloWorld"); 
        hello.setName("Adnan");
        hello.getName();
    }
}

This is the HelloWorld bean

package com.test.SpringMaven2;

public class HelloWorld{


    private String name; 

    public void setName(String name){
        this.name = name;
    }

    public void getName(){
        System.out.println("Hello, " + name);
    }
}

This is the annotation based configuration file:

package com.test.SpringMaven2;


import org.springframework.context.annotation.*;

@Configuration
public class HelloWorldConfig{

    @Bean
    public HelloWorld helloWorld(){
        return new HelloWorld(); 
    }

}

This is my pom.xml

<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.test</groupId>
  <artifactId>SpringMaven2</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>SpringMaven2</name>
  <url>http://maven.apache.org</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>4.3.3.RELEASE</version>
        </dependency>
        <dependency>
 <groupId>org.springframework</groupId>
 <artifactId>spring-core</artifactId>
 <version>4.3.3.RELEASE</version>
</dependency>
  </dependencies>
</project>

I am running the following command in CMD to run the application: java -cp {nameofresultjarfile} com.test.SpringMaven2.App

But getting the error messsage above

Any advice?

Thanks

Why are you executing java commands instead of maven commands, in order to package, build and compile your project? — Moshe Arad
– Moshe Arad, Commented Oct 11, 2016 at 11:47
Moshe i am using mvn package to pack and compile the project but using the java command to run the java application — Adnan
– Adnan, Commented Oct 11, 2016 at 12:32
Then try my solution: stackoverflow.com/questions/39675845/… — Moshe Arad
– Moshe Arad, Commented Oct 11, 2016 at 12:36

jaysee · Accepted Answer · 2016-10-23 07:59:02Z

Your pom.xml creates a jar file which contains only the classes defined in your project. But all the other dependencies (spring-core, spring-context-support) which are required by your application aren't included.

If your application is started within eclipse, eclipse integrates these required jar files to the classpath of the application and so it is able to run.
If your application is started from CMD the spring classes can't be found in the classpath and you get a java.lang.NoClassDefFoundError.

It's possible to name all the required jars manually when the application is started from CMD (classpath), but is much easier to created a so called self contained jar file, which has all of them already included. This can be done using maven-assembly-plugin.

An example how to create a self contained jar file can be found here.

The application in a self contained jar can be started now from CMD:
java -jar name_of_your_project-jar-with-dependencies.jar

Abhishek Galoda · Accepted Answer · 2018-10-30 10:21:42Z

0

I was getting the same error when running from Intellij as a main class (In Spring Boot project)

After opening Module settings, In the Deopendencies tab I saw that for spring-context for some reason the scope was provided, changing to compile/ even removing the scope fixed the issue for for me

 <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>## Put your desired version here ##</version>   
    </dependency>

answered Oct 30, 2018 at 10:21

Abhishek Galoda

3,0741 gold badge28 silver badges39 bronze badges

Comments

Oleksii Kyslytsyn · Accepted Answer · 2021-06-06 11:15:45Z

0

In my similar case both @jaysee answer or:

<plugin>
    <artifactId>maven-assembly-plugin</artifactId>
    <configuration>
      <descriptorRefs>
        <descriptorRef>jar-with-dependencies</descriptorRef>
      </descriptorRefs>
      <archive>
        <manifest>
          <mainClass>com.example.MyMainClass </mainClass>
        </manifest>
      </archive>
    </configuration>
    <executions>
      <execution>
        <phase>package</phase>
        <goals>
          <goal>single</goal>
        </goals>
      </execution>
    </executions>
</plugin>

or

<plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <version>2.5.0</version>

helped.

edited Jun 6, 2021 at 11:15

answered Jun 6, 2021 at 10:51

Oleksii Kyslytsyn

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Comments

Shtefan · Accepted Answer · 2021-09-19 02:28:18Z

0

The below fixed similar issue for me.

build plugins section should be put right after /dependencies:

<build>
  <plugins>
    <plugin>
        <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <version>2.5.4</version>
            <configuration>
                <layout>ZIP</layout>
            </configuration>
            <executions>
                <execution>
                  <goals>
                    <goal>repackage</goal>
                  </goals>
                </execution>
            </executions>
    </plugin>
  </plugins>
</build>

answered Sep 19, 2021 at 2:28

Shtefan

83814 silver badges15 bronze badges

Comments

sumit singh · Accepted Answer · 2021-10-20 12:51:32Z

0

I was facing the same issue. I am using the intellij 2021 but the above solution didn't work. Also in eclipse it was working fine . The solution that worked for me was: 1)Go to edit run/debug configuraiton 2)Modify option 3)Check "include dependency with provided scope"

answered Oct 20, 2021 at 12:51

sumit singh

533 bronze badges

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