[solved]Cannot complete the install because one or more required items could not be found. Software being installed: Perforce Python Time-lapse View Support (DLTK Prerequisite) 2013.1.788968 (com.perforce.team.python.helios.feature.feature.group 2013.1.788968) Missing requirement: Perforce Python Time-lapse View Support (DLTK Prerequisite) 2013.1.788968 (com.perforce.team.python.helios.feature.feature.group 2013.1.788968) requires ‘org.eclipse.dltk.python.core 1.0.0’ but it could not be found

Below works for Eclipse Juno 3.8.2

First install Python DLTK
> http://download.eclipse.org/technology/dltk/updates/

Then carry on to installing perforce installation using Eclipse Market Place.

Hope it helps someone.

Tutorial – How to install VisualVM on Eclipse

Step 1: Download VisualVM from http://visualvm.java.net/eclipse-launcher.html

Step 2: Unzip and point your localhost to this unzipped directory. Something like

>ln -s ~/Downloads/visualvm_launcher_u1_eclipse_36 /var/www/.

Step 3: Goto Eclipse and add this as an update site.

        Open Eclipse > Help > Install New Software

       url : http://localhost/visualvm_launcher_u1_eclipse_36

Step 4: done

 

Aptana Studio 3 with Mercurial on Ubuntu

Step 1: Open Aptana Studio.

Step 2: Click on Help > Install New Software > Click on Add button (next to ‘work with :’ label)

Name: Eclipse Update Site for MercurialEclipse

Location: http://cbes.javaforge.com/update

Adding Repo in Eclipse

Step 3: Check MercurialEclipse and Click ‘Next’

Step 4: Uncheck ‘Windows Binaries for Mercurial (Recommended)    1.9.3.v201110131844’ and Click ‘Next’

Step 5: Nothing to do on this screen and Click ‘Next’

Step 5: Check against I agree and Click ‘Finish’

 

And we are done.