Restarting the process

I relaunched the installation, but when it reaches the validation step:

Validating lasts a longer than less than a minute
Validating lasts a longer than less than a minute

You can open a terminal and type:

tail /var/log/install.log

You should get

Jean-Georgess-MacBook-Pro:4 jgp$ tail /var/log/install.log
Jan 21 19:52:14 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading Maven Java EE
Jan 21 19:52:35 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading JSF Editor for XHTML
Jan 21 19:53:04 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading JavaScript2 Editor
Jan 21 19:53:26 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading Output Window
Jan 21 19:53:47 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading Form Editor
Jan 21 19:54:12 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading Apple Application Menu
Jan 21 19:54:33 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading Java Refactoring
Jan 21 19:54:54 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading Mylyn Support Utilities
Jan 21 19:55:15 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading PHP Refactoring
Jan 21 19:55:39 Jean-Georgess-MacBook-Pro.local installd[3800]: ./postflight: Downloading EclipseLink-ModelGen (JPA 2.1)

By typing the command several times, you can track the progress… At the end, you should get:

Jean-Georgess-MacBook-Pro:4 jgp$ tail -20 /var/log/install.log
Jan 21 19:58:27 Jean-Georgess-MacBook-Pro.local installd[3800]: PackageKit: Running idle tasks
Jan 21 19:58:27 Jean-Georgess-MacBook-Pro.local Installer[67575]: LSExceptions [0x7f96fa911940] loaded
Jan 21 19:58:27 Jean-Georgess-MacBook-Pro.local Installer[67575]: PackageKit: Registered bundle file:///Applications/NetBeans/NetBeans%207.4.app/ for uid 501
Jan 21 19:58:27 Jean-Georgess-MacBook-Pro.local installd[3800]: PackageKit: Removing client PKInstallDaemonClient pid=67575, uid=501 (/System/Library/CoreServices/Installer.app/Contents/MacOS/Installer)
Jan 21 19:58:27 Jean-Georgess-MacBook-Pro.local installd[3800]: PackageKit: Done with sandbox removals
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: Running install actions
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: Removing temporary directory "/var/folders/st/t9_jqdw912b7b7pjlb9818m80000gn/T//Install.67575kKmGu1"
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: Finalize disk "Macintosh HD"
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: Notifying system of updated components
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: **** Summary Information ****
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]:   Operation      Elapsed time
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: -----------------------------
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]:        disk      0.00 seconds
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]:      script      0.00 seconds
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]:        zero      0.01 seconds
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]:     install      2948.57 seconds
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]:     -total-      2948.59 seconds
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: IFDInstallController F8615130 state = 5
Jan 21 19:58:28 Jean-Georgess-MacBook-Pro.local Installer[67575]: Displaying 'Install Succeeded' UI.
Jan 21 19:58:37 Jean-Georgess-MacBook-Pro.local Installer[67575]: LSExceptions [0x7f96fa911940] unloaded