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If JAVA_HOME is not set, an error will occur.
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You can set the path to Java home from the Start -> Settings -> Control Panel -> System menu. Click on the Advanced tab and then click the Environment Variables button.
Install Mevenide
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Environment Variable Menu
After installation, also set the MAVEN_HOME variable to point to the base installation area.
Install Mevenide
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Download this small autoupdate module. To install, start NetBeans and select the "Update Center Wizard" option from the "Tools" menu. Select the "Install Manually Downloaded Modules (.nbm Files)." On the next page, select "Add..." from the "Modules to Install" panel and navigate to the location of the downloaded file. On the next page, transfer that file from the "Available Updates and New Modules:" panel to the "Include in install:" panel and click on the "Finish" button.
Once these are installed you can open the project folders in NetBeans and build using maven from inside netbeans.
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Test the Installation
Now check whether all plugins were loaded successfully.
Go to Tools -> Options -> IDE Configuration -> System -> Modules -> Maven.
Maven Plugins
All the Maven plugins should be enable.