Well the matter is like that.
I've been using Spring for a month and a half, and everything worked fine. but for the moment when I reopened my environment I showed an error:
An error occurred while collecting items to be installed session context was: (profile = DefaultProfile, phase = org.eclipse.equinox.internal.p2.engine.phases.Collect, operand =, action =). No repository found containing: binary, org.springsource.sts.ide.executable.win32.win32.x86_64,3.6.3.201411281415-RELEASE-e38 No repository found containing: binary, org.springsource.sts.package_root, 3.6.3.201411281415-RELEASE-e38
When I wanted to update the components manually I got the following error:
Problems occurred while performing installation: Profile id SELF is not registered. Profile id SELF is not registered.
I could correct this error. but now it shows me the following error:
An internal error occurred during: "Downloading RSS feeds". java.lang.NullPointerException
I do not know what to do anymore. and the truth is I'm new using Spring. Can someone help me?