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Asked: 2026-05-13T19:07:06+00:00

I’m just transitioning from .NET to JAVA and have to start JAVA project with

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I’m just transitioning from .NET to JAVA and have to start JAVA project with Spring 3.0.0. and Hibernate.

Can someone please explain to me step_by_step how to download spring dependencies with Maven. I just spent whole day with absolutely no success.

PS. I have Java 1.5.06 and have already downloaded spring (with no dependencies) and installed Maven.

edit:

c0mrade:

I think as of spring 3.0.0. they are
considered to be optional dependencies
so they need to be included separately
each dependency, this is just a guess
I’m not sure about this, if Pascal or
someone more experienced confirms my
statement then its true, so far I’ve
worked with spring 2.5.5

Yes… They are definitely optional so this is what I did. I simply copy/pasted hibernate dependencies from spring-orm pom file to myproject pom file, meaning that now I have spring and hibernate dependencies in my pom file defined together. Then I ran “mvn install” on myproject and after that just hand copied all spring and hibernate jars to my project’s lib folder.

So now I have a Java project with spring and hibernate. 🙂

I’m learning Java and this is just my second day so so please tell me if I did something horribly wrong.

update:

rlovtang:

When using maven you don’t manually
download any dependencies (like
spring), neither do you hand copy any
jars to your projects lib folder. All
this is taken care of automatically by
maven when you run ‘mvn install’. How
do you package your application, is it
war?

I understand that. And it’s clear to me that Maven automatically manages classpath for dependencies in my local repository so my project can work normally on my local machine. And I also red that you have an option to pack your dependencies jars in your WAR or EAR, but what if I want to pack my application as JAR together with all dependencies JARs inside output (target) folder?
You see, I don’t want to deploy my JAR file with pom.xml only, but all the JARs that are needed for my application to run.

It still does not work:

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>

<dependencies>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring</artifactId>
        <version>3.0.0.</version>
    </dependency>
</dependencies>

When I hit “mvn install” I get this exception:

[INFO] Scanning for projects…
[INFO] ————————————————————————
[ERROR] FATAL ERROR
[INFO] ————————————————————————
[INFO] null
[INFO] ————————————————————————
[INFO] Trace
java.lang.NullPointerException
at org.apache.maven.artifact.versioning.DefaultArtifactVersion.parseVersion(DefaultArtifactVersion.jav
a:136)
at org.apache.maven.artifact.versioning.DefaultArtifactVersion.(DefaultArtifactVersion.java:47)
at org.apache.maven.artifact.versioning.VersionRange.createFromVersion(VersionRange.java:219)
at org.apache.maven.project.artifact.ProjectArtifactFactory.create(ProjectArtifactFactory.java:37)
at org.apache.maven.project.DefaultMavenProjectBuilder.processProjectLogic(DefaultMavenProjectBuilder.
java:1017)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:8
80)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProject
Builder.java:508)
at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
[INFO] ————————————————————————
[INFO] Total time: < 1 second
[INFO] Finished at: Thu Feb 18 11:19:44 CET 2010
[INFO] Final Memory: 1M/2M
[INFO] ————————————————————————

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1 Answer

  1. Editorial Team

    Actually, your POM is wrong, it’s missing essential parts. You need at least something like this (this is a minimal POM):

    <project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.mycompany.myproject</groupId>
  <artifactId>my-app</artifactId>
  <version>1.0-SNAPSHOT</version>
  <name>My App</name>
</project>

    To add a spring dependency, I then suggest to use the following:

    <project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.mycompany.myproject</groupId>
  <artifactId>my-app</artifactId>
  <version>1.0-SNAPSHOT</version>
  <name>My App</name>

  <properties>
    <org.springframework.version>3.0.0.RELEASE</org.springframework.version>
  </properties>

  <dependencies>

    <!--
        Core utilities used by other modules.
        Define this if you use Spring Utility APIs (org.springframework.core.*/org.springframework.util.*)
    -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${org.springframework.version}</version>
    </dependency>

  </dependencies>
</project>

    For a full list of Spring artifacts, have a look at Obtaining Spring 3 Artifacts with Maven and pick up what you need.

    Update: Just FYI, there are numerous repository search engines that can help you to find artifacts. This might be helpful if you’re not used to Maven. Also note that you can get some IDE support for this (Idea, Eclipse, NetBeans, I think they all offer a repository search feature). Actually, in your case I’d suggest to use SpringSource Tools Suite (STS) which is an integrated version of Eclipse (bundling some plugins for Spring projects development, including Maven support). STS is a fully integrated environment, very close to what you can get in the .NET world IMO. You’ll like it.

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