Manifest in pom file - NoClassDefFoundError - maven

Question

My pom file:
<?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>pl.xx</groupId>
<artifactId>kwestionariusz</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.3.1.Final</version>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.4-1201-jdbc41</version>
</dependency>
<dependency>
<groupId>unknown.binary</groupId>
<artifactId>postgresql-9.2-1002.jdbc4</artifactId>
<version>SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.1.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.1.6.RELEASE</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.10</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>pl.xx.kwestionariusz.gui.Kwestionariusz</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>unknown-jars-temp-repo</id>
<name>A temporary repository created by NetBeans for libraries and jars it could not identify. Please replace the dependencies in this repository with correct ones and delete this repository.</name>
<url>file:${project.basedir}/lib</url>
</repository>
</repositories>
</project>
error that I am getting when I try to run it via cmd:
\NetBeansProjects\kwestionariusz\target>java -jar kwestionariusz-1.0.jar
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: org/hiber
nate/service/ServiceRegistry
at pl.xx.kwestionariusz.dao.ListaZainteresowanDao.wyszukajZaintereso
wania(ListaZainteresowanDao.java:31)
at pl.xx.kwestionariusz.gui.Kwestionariusz$2.<init>(Kwestionariusz.j
ava:110)
at pl.xx.kwestionariusz.gui.Kwestionariusz.initComponents(Kwestionar
iusz.java:106)
at pl.xx.kwestionariusz.gui.Kwestionariusz.<init>(Kwestionariusz.jav
a:33)
at pl.xx.kwestionariusz.gui.Kwestionariusz$5.run(Kwestionariusz.java
:275)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Sour
ce)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.hibernate.service.ServiceRegist
ry
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 19 more
What do I have to add to pom file to make this project executable? It works when I compile and run it in netbeans but doesnt work when I try to use jar file.
#edit
still no solution
#edit
im starting bounty..

Answer 1

Your problem is the classpath. What you specify in .pom file are only the dependencies needed to build the project. However actually running the resulting .jar is another matter, and .pom has no power there.
It works in NetBeans IDE, because as any good IDE it keeps track of dependencies you added to the project and adds them to classpath when trying to run. Your cmd command does not replicate that.
There are two solutions to this problem:
Adding everything required to classpath. That would probably involve creating a .bat file containing the path to every required library using -cp argument
Creating your .jar file so that it contains all the required dependencies.
Solution number two sounds much better in theory, and can be achieved in Maven with (for example) OneJar or Maven Shade Plugin
Configuration of Maven Shade Plugin from one of my projects:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Main-Class>my.package.tree.Main</Main-Class>
</manifestEntries>
</transformer>
</transformers>
<filters>
<filter>
<!-- Exclude files that sign a jar (one or multiple of the dependencies).
One may not repack a signed jar without this, or you will get a SecurityException
at program start. -->
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.RSA</exclude>
<exclude>META-INF/*.INF</exclude> <!-- This one may not be required -->
</excludes>
</filter>
</filters>
</configuration>
</execution>
</executions>
</plugin>

Answer 2

Add this to the dependency list in your POM:
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.0.1.Final</version>
</dependency>
It seems that your NetBeans IDE somehow already has this JAR in its classpath, which likely means that you already have this JAR somewhere on your computer.