Michael, another way is to render your jar file "executable" by adding mainClass entry to your jar manifest file
then you will be able to launch your application using java -jar yours.jar have a look at https://maven.apache.org/shared/maven-archiver/examples/classpath.html#Make -- setup a maven jar build plugin into your pom -- configure main class four your generated archive regards 2015-08-04 10:26 GMT+02:00 Adrien Rivard <[email protected]>: > Hi, > > Your packages/directories are not correct: > > That should work : > H:\EclipseWorkspacesLunaForMaven\SimpleNoLibraryProject\target\classes> > java > main.java.org.prog.SimpleNoLibraryProgram > Error: Could not find or load main class > main.java..org.prog.SimpleNoLibraryProgram > > But "main/java" is not supposed to be part of the package name > > structure of your project should be > - [projectDir]/src/main/java/org/prog/SimpleNoLibraryProgram > - [projectDir]/pom.xml > > package of SimpleNoLibraryProgram.java is supposed to be only > org.prog.SimpleNoLibraryProgram > > then you can run mvn package in project dir, and run "java > org.prog.SimpleNoLibraryProgram" in [projectDir]/target/classes > > Note that invoking java on a maven project ike this is only doable for very > simple projects without dependencies. > > > On Mon, Aug 3, 2015 at 10:45 PM, <[email protected]> wrote: > > > I created the source code for a very simple Java program in Eclipse. > > > > Then I ran mvn install to build the program, which worked fine. > > > > The following are the errors I am getting when I try to run the program > > built by Maven from the command line. I have included the command prompt > > errors; the source code and the POM file. I have also searched > extensively > > for both of the execution time errors I am encountering but have been > > unable to find any explanation that works, and I've tried several. > > > > Attempt(s) to execute the class file: > > > H:\EclipseWorkspacesLunaForMaven\SimpleNoLibraryProject\target\classes\main\java\org\prog>java > > SimpleNoLibraryProgram > > Error: Could not find or load main class SimpleNoLibraryProgram > > > > > H:\EclipseWorkspacesLunaForMaven\SimpleNoLibraryProject\target\classes\main\java\org\prog>java > > main.java..org.prog.SimpleNoLibraryProgram > > Error: Could not find or load main class > > main.java..org.prog.SimpleNoLibraryProgram > > > > > > > > Attempt to execute the JAR file: > > C:\Users\Michael CTR > > > Tarullo.FAA\.m2\program-build-repository\main\java\org\prog\SimpleNoLibraryProgram\1.0> > > no main manifest attribute, in SimpleNoLibraryProgram-1.0.jar > > > > > > Source code: > > package main.java.org.prog; > > > > public class SimpleNoLibraryProgram > > { > > public static void main(String[] args) > > { > > System.out.println("Hello Simple No > > Library Program!!!"); > > } > > } > > > > > > > > POM file: > > <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>main.java.org.prog</groupId> > > <artifactId>SimpleNoLibraryProgram</artifactId> > > <version>1.0</version> > > <packaging>jar</packaging> > > > > <name>SimpleNoLibraryProgram</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> > > </dependencies> > > </project> > > > > Michael Tarullo > > Contractor (Engility Corp) > > Enterprise Architect > > NSRR System Administrator > > FAA WJH Technical Center > > (609)485-5294 > > > > > > > -- > Adrien Rivard >
