Eclipse Community Forums: C / C++ IDE (CDT) » CDT not working after update

Home » Language IDEs » C / C++ IDE (CDT) » CDT not working after update(CDT no longer working in Eclipse Platf.orm 3.7.2 using Ubuntu 12.04 after installing updates through 'Search for Updates')

CDT not working after update [message #925556]

Thu, 27 September 2012 16:57

Eclipse User

After installing a multitude of updates using the 'Help->Search for Updates
menu, CDT is no longer working in Eclipse. When I create a new project, the only options are 'General>Project' and 'CVS>Projects from CVS', and similarly, there are no options for file extensions when I make a new file. If I try to make a file with an extension such as .cpp manually, it opens it in my external text editor.
I am using Eclipse Platform 3.7.2 in Ubuntu 12.04. I have tried uinstalling and reinstalling Eclipse Platform multiple times, but nothing changes, and I've noticed that the updates stay installed. The CDT worked perfectly prior to installing the updates.

Re: CDT not working after update [message #925598 is a reply to message #925556]

Thu, 27 September 2012 17:58

Eclipse User

Having the same problem. Have you found a solution ?

Re: CDT not working after update [message #926042 is a reply to message #925556]

Fri, 28 September 2012 04:49

Eclipse User

Eclipse Platform does not contain the CDT plugin. You have to install it.

Re: CDT not working after update [message #926096 is a reply to message #926042]

Fri, 28 September 2012 05:50

Eclipse User

I have installed it already. And I reinstalled it after every reinstall of the Eclipse Platform. As I said, it worked perfectly before the updates. If anything, does anyone know how to uinstall updates installed through the 'Search for updates' feature?

@Dean: Unfortunately not, hoping that this thread will yield some helpful responses, I've searched all over and couldn't find anyone else with the same problem. Are you also using Ubuntu?

[Updated on: Fri, 28 September 2012 05:52] by Moderator

Re: CDT not working after update [message #926365 is a reply to message #926096]

Fri, 28 September 2012 11:35

Eclipse User

I am also running Ubuntu 12.04 and the same Eclipse version (Indigo). I was finally able to resolve the problem by restarting Eclipse using the -clean argument (sudo eclipse -clean). Hope this helps !

Re: CDT not working after update [message #926412 is a reply to message #926096]

Fri, 28 September 2012 12:24

Eclipse User

Hello Xander,

probably the Workspace is destroyed.

Try this:
Create a new Workspace and than create the C or C++ Hello World example to test the installation.
If Eclipse does not ask for a workspace because you have selected "Use this workspace as the default and do not ask again" than delete the setting file within your Eclipse installation and after you have done that start Eclipse again:
\configuration\.settings\org.eclipse.ui.ide.prefs

If this is OK, create a new C/C++ project within a new workspace and than copy your source files from the old workspace (from the hard disk) into the new workspace. You could use the drag and drop feature of Eclipse (you could drag and drop files and folders from the hard disk directly into the "Project Explorer" within Eclipse).

regards,
Klaus

Re: CDT not working after update [message #926479 is a reply to message #926412]

Fri, 28 September 2012 13:52

Eclipse User

I'm not quite sure which of them did the trick, as I think I tried the -clean method before too, but after creating a new Workspace (I had selected the 'do not ask again' option) and running the 'sudo eclipse -clean' command, it is working again. Thanks a lot everyone!

Re: CDT not working after update [message #928519 is a reply to message #925556]

Sun, 30 September 2012 14:18

Eclipse User

I'm having a similar problem except even a new workspace does not work. In the old workspace the toolbar does not appear anymore. In the new workspace I created, you can't create a C/C++ project. I tried to download the CDT, but it says it is already installed.

Re: CDT not working after update [message #928536 is a reply to message #928519]

Sun, 30 September 2012 14:44

Eclipse User

Okay, I got it all working again. I had to remove the CDT completely and reinstall it. After doing so, even old workspaces work just fine. Apparently, the update breaks the CDT installation in some way, but reinstalling fixes it.

Re: CDT not working after update [message #1115557 is a reply to message #928536]

Tue, 24 September 2013 04:56

Eclipse User

I also had same issue after update, I tried uninstall and install eclipse and even cdt also but did not help.

later I tried "sudo eclipse -clean" and its working fine, Thanks a lot for the info.

Re: CDT not working after update [message #1386357 is a reply to message #1115557]

Mon, 16 June 2014 20:51

Eclipse User

I searched my whole machine for any file/directory that included "eclipse" and deleted them all. Reinstalled ecplise and cdt and they both work.

How can I now auto update eclipse without breaking cdt?

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