| errors in Eclipse Modeling Tools for Indigo Packages [message #833970] |
Sun, 01 April 2012 03:29  |
Eclipse User |
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I download the Eclipse Modeling Tools for Indigo Packages. And try to install the OCL Examples and Editors from the help->install new software in Eclipse. But during the installing, it shows some errors as follows:
An error occurred while collecting items to be installed
session context was:(profile=epp.package.modeling,
phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=,
action=).
Comparison method violates its general contract!
Comparison method violates its general contract!
I just feel puzzled, and for my experiment I need this tool. so I hope someone can give me some solutions. Thanks sincerely.
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| Re: errors in Eclipse Modeling Tools for Indigo Packages [message #834096 is a reply to message #834053] |
Sun, 01 April 2012 07:49  |
| Eclipse User |
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Hi Lucy
Glad the problem's solved.
For my (other's) benefit could you identify the Platform, EMF and OCL
versions you were trying to use.
At present OCL is very restrictive on exact versions. Some other
projects such as Acceleo and Xtext are much more tolerant. I would like
to be more tolerant on OCL too.
Regards
Ed Willink
On 01/04/2012 11:16, Lucy Chan wrote:
> Dear Ed Willink,
> I have solved the problem by using a lower edition. I feel so
> thankful for your support these days. Your help is greatly
> appreciated. I will keep contact in this forum. Thanks very much.
> Best Regards
> Lucy
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