I've been digging and digging trying everything I can to resolve this but nothing seems to be working. I just installed Intellij IDEA on my machine and created a new maven project. I am simply attempting to execute a hello world program to verify everything is setup correctly. However, something is not right.
When running the application in IDEA I receive "Hello World" as expected. However when running maven package and generating a .jar file, when I attempt to execute that .jar file I receive the following message:
C:\dev\lwjglplayground\target>java lwjgl-playground-1.0-SNAPSHOT.jar Error: Could not find or load main class lwjgl-playground-1.0-SNAPSHOT.jar Caused by: java.lang.ClassNotFoundException: lwjgl-playground-1.0-SNAPSHOT.jar
My first instinct was that I had botched something in my java installation (as right before installing IDEA I removed my java 8 jdk and installed jdk 11), but I verified that other .jar files which I had previously built execute as expected.
My pom.xml
file is as follows:
<?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>whitwhoa</groupId> <artifactId>lwjgl-playground</artifactId> <version>1.0-SNAPSHOT</version> <packaging>jar</packaging> <properties> <start-class>whitwhoa.Main</start-class> </properties> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.0</version> <configuration> <release>11</release> <archive> <index>true</index> <manifest> <mainClass>whitwhoa.Main</mainClass> </manifest> </archive> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <version>3.1.1</version> <configuration> <archive> <index>true</index> <manifest> <mainClass>whitwhoa.Main</mainClass> </manifest> </archive> </configuration> </plugin> </plugins> </build>
</project>
This is my Main.java
file:
package whitwhoa;public class Main {
public static void main(String[] args) { System.out.println("Hello World"); }
}
Does anything here stick out to anyone as being misconfigured? Am I missing something?
#java #maven