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icon9.gif  Eclipse won't start anymore after Windows 7 self-update [message #1705426] Sat, 15 August 2015 09:38 Go to next message
J. B. is currently offline J. B.Friend
Messages: 2
Registered: August 2015
Junior Member
Hello ,
I just started to work with eclipse a month ago to do some SAPUI5 Development
I use the Luna Java EE VErsion with the necessary PlugIns
Everything worked fine until yesterday.
Windows7 Updated itself (you know this bugfixing updates, which start itself if you are not fast enough to stop it)
After reboot I can't restart Eclipse. Message " An Error has occured. See the log file in workspace"
in the logfile i found this:

ERROR workbench:84 - org.eclipse.e4.ui.workbench - 0 - Error disposing widget for : org.eclipse.e4.ui.model.application.ui.menu.impl.MenuImpl null
java.lang.IllegalArgumentException: Argument not valid

Is there a chance to reanimate Eclipse?
I tried to run it with -clean, but same Problem....

I hope you can help me
Re: Eclipse won't start anymore after Windows 7 self-update [message #1705455 is a reply to message #1705426] Sat, 15 August 2015 21:19 Go to previous messageGo to next message
Russell Bateman is currently offline Russell BatemanFriend
Messages: 3798
Registered: July 2009
Location: Provo, Utah, USA
Senior Member

On 08/15/2015 03:12 PM, J. B. wrote:
> Hello ,
> I just started to work with eclipse a month ago to do some SAPUI5
> Development
> I use the Luna Java EE VErsion with the necessary PlugIns
> Everything worked fine until yesterday. Windows7 Updated itself (you
> know this bugfixing updates, which start itself if you are not fast
> enough to stop it)
> After reboot I can't restart Eclipse. Message " An Error has occured.
> See the log file in workspace"
> in the logfile i found this:
>
> ERROR workbench:84 - org.eclipse.e4.ui.workbench - 0 - Error disposing
> widget for : org.eclipse.e4.ui.model.application.ui.menu.impl.MenuImpl null
> java.lang.IllegalArgumentException: Argument not valid
>
> Is there a chance to reanimate Eclipse?
> I tried to run it with -clean, but same Problem....
>
> I hope you can help me

It's hard to say from the information you give (and I'm not a Windows
guy), but I would say that the best way to avoid this sort of disaster
is to divorce Eclipse from what's going on on your computer.

In particular, I never let Eclipse run on whatever JRE my computer is
using. Instead, I set it up to run off a private copy. That way, I know
when it changes because I have to change it by hand.

Here are some notes if you find them useful.

http://www.javahotchocolate.com/notes/eclipse-jdk-tomcat.html
Re: Eclipse won't start anymore after Windows 7 self-update [message #1705469 is a reply to message #1705455] Sun, 16 August 2015 11:25 Go to previous messageGo to next message
J. B. is currently offline J. B.Friend
Messages: 2
Registered: August 2015
Junior Member
I'm normally no windows user, too. But in this case I had to prepare some things on a windows laptop.
I have to present them at the end of next week and now Eclipse stopped working ,
it's kind of frustrating.
I don't know what to do best now. Is it possible to fix or do I have to do a reinstall and then rework the
30 projekts that habve been in the workspace?. I hope there is a simple solution to fix it, so I won't loose so much time.

Which more Information would help?
Re: Eclipse won't start anymore after Windows 7 self-update [message #1705478 is a reply to message #1705469] Sun, 16 August 2015 14:38 Go to previous message
Russell Bateman is currently offline Russell BatemanFriend
Messages: 3798
Registered: July 2009
Location: Provo, Utah, USA
Senior Member

On 08/16/2015 05:25 AM, J. B. wrote:
> I'm normally no windows user, too. But in this case I had to prepare
> some things on a windows laptop.
> I have to present them at the end of next week and now Eclipse stopped
> working , it's kind of frustrating. I don't know what to do best now. Is
> it possible to fix or do I have to do a reinstall and then rework the 30
> projekts that habve been in the workspace?. I hope there is a simple
> solution to fix it, so I won't loose so much time.
>
> Which more Information would help?

My take is that you should download Luna again, this doesn't take long,
then set it up again. Depending on how much customization you've done,
plug-ins you need to install, etc. This is where the time will burn.

Next, make sure you're launching your new installation (and not the old,
presumably broken one). Open the workspace(s) where your projects should
still be good.

That failing, then create a new workspace and open it in the workbench.
Import your projects (File -> Import... -> General -> Existing Projects
into Workspace). Unless your projects were corrupted, and that's not
very likely based on what you've recounted, you should then be back up
and going.

When I was a Windows 7 user, and my attitude is generally the same for
Linux updates, I just allowed the updating to go on automatically. I
also allowed Java to be updated that way. What I did to protect myself
from surprise changes, however, was to install my own private JDK and
peg Eclipse on it (via both eclipse.ini and the Preferences -> Java ->
Installed JREs configuration).

Hope this helps and I hope you get back up quickly.
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