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Maven Projects In NetBeans 6.5 On OSX / Updating Maven On OSX

May 1, 2009

Since my last post, Defaulting To JDK 1.6 In NetBeans 6.5 On OSX, has enjoyed some popularity I decided to keep running with the NetBeans 6.5/OS X theme. NetBeans is a great, free IDE that supports more types of projects than the average developer would likely ever need. One of the most useful project types that NetBeans supports is Maven projects. If you are new to Maven, here is an intro to peak your interest.

For developers who have been using Maven for a while, you likely will be creating your projects (.pom files specifically) from a text editor but this can be a little overwhelming for those new to Maven or those who would rather simply spend their time writing code instead. NetBeans 6.5 makes it incredibly easy to create a Maven project in a matter of seconds.

First, go to the “File” menu and choose “New Project”.
New Project
Under “Categories”, choose “Maven” and in”Projects”, choose “Maven Project” and click “Next”.
Choose Project
The “Archetype” window should open next, select “Maven Quickstart Archetype” and click “Next”.
Project Archetype
The “Name and Location” window will open allowing you to give specifics to your project. You can customize this as you see fit but for the purposes of this example I will leave the default settings. Click “Finish” and your project will start to build.
Project Name & Location
If you are running OS X 10.5.6, as I am, you will likely see the following error:

Error resolving version for 'org.apache.maven.plugins:maven-archetype-plugin': Plugin requires Maven version 2.0.7
For more information, run Maven with the -e switch

The reason for this is that OS X 10.5 shipped with Maven 2.0.6 pre-installed but Apple has never pushed any updates to it. According to the Apache archives, Maven 2.0.6 was released in April 2007 but it is kind of annoying that they didn’t realize that Maven projects would not work by default on OS X before they released NetBeans 6.5. Luckily, it is very easy to update Maven to the latest version if you don’t mind using the terminal and the sudo command.

  1. Download the zip with binaries for whichever Maven version you would like to install. At time of writing, the most recent version is 2.1.0, http://www.apache.org/dyn/closer.cgi/maven/binaries/apache-maven-2.1.0-bin.zip.
  2. Once the file is downloaded, you can extract the archive and you should end up with a directory named something like “apache-maven-2.1.0”. Open a Terminal window and cd /usr/share
  3. Let’s move the current Maven directory to a backup folder in case we ever want to revert. In the terminal you opened in the last step, type sudo mv maven maven-2.0.6. This will ask you for your password and then move the “maven” directory to a new directory called “maven-2.0.6”, assuming your user account has sufficient permissions.
  4. Now let’s put the new version in place so that NetBeans will start using it. To do so, we need to copy the directory we extracted from the zip file. Once again, in the Terminal window you have open, type sudo cp -R /Users/dgabrielson/Desktop/apache-maven-2.1.0 maven. Keep in mind that the path to the extracted “apache-maven-2.1.0” directory will have to be changed to the appropriate path on your system.
  5. Maven should now be upgraded! To confirm, in your Terminal window, type mvn -version and you should see some output like Apache Maven 2.1.0 (r755702; 2009-03-18 13:10:27-0600).

Now if you try to build again, you should get a successful build log ending with:


Enjoy your new Maven build and get coding!

By: Damien Gabrielson

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