| How to install Eclipse plug-in? [message #198595] |
Thu, 08 March 2007 15:56  |
Eclipse User |
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Originally posted by: vincent_kwinsey.yahoo.com
Hi,
till now I though that this is easy - download the plugin, uzip in and
then: put login directory in Eclipse/plugins and features directory in
Eclipse/feature (there is no places where to put plugin licenses that are
out of /plugins or /features...) and restart Eclipse - but now I have
observed that already in several cases (specifically fro BPEL and UML -
which I am most eager for) this doesn't work. There is new project types
and example project types in new project wizard, but when I am starting on
then error message:
The selectes wizard could not be started. Reason: Plug-in ... was unable
to load class ...Wizard
So - what I am doing wrong?
I have read 2 advices for plugin installation up to now (in forums outside
eclipse.org site):
1) restart of Eclipse should be done by command 'eclipse -clean';
2) one shouldn't copy features but let Eclipse to create one for itself
automatically
Are they appropriate?
My problem is that mostly I am not using Eclipse Help->Software
updates->Find and Install... instead I am simply downlading plugin binary
zip-packages and I am trying them to install offline manually - so - is
any advice how to do this right?
Thanks advice in adavance!!
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| Re: How to install Eclipse plug-in? [message #198618 is a reply to message #198595] |
Thu, 08 March 2007 16:55  |
| Eclipse User |
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Originally posted by: wharley.bea.com
"Vincent" <vincent_kwinsey@yahoo.com> wrote in message
news:ff8417cd50159caa79dccac86e96cdec$1@www.eclipse.org...
> Hi,
>
> till now I though that this is easy - download the plugin, uzip in and
> then: put login directory in Eclipse/plugins and features directory in
> Eclipse/feature (there is no places where to put plugin licenses that are
> out of /plugins or /features...) and restart Eclipse - but now I have
> observed that already in several cases (specifically fro BPEL and UML -
> which I am most eager for) this doesn't work. There is new project types
> and example project types in new project wizard, but when I am starting on
> then error message:
>
> The selectes wizard could not be started. Reason: Plug-in ... was unable
> to load class ...Wizard
>
> So - what I am doing wrong? [...]
It sounds like the features you're installing depend on other features, that
you may not yet have installed. If you're not using the upgrade manager,
you may have to search around on the web site (etc.) of where you got the
feature, to see what it requires.
It is also possible that the plug-ins you're installing are poorly written
and depend on internal methods or objects within Eclipse that (unlike public
API) change from version to version. That in itself wouldn't cause the
problem you're seeing, but if the plug-ins also fail to correctly specify
what version of the other plug-in they depend on, then you'd see symptoms
like you describe.
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| Re: How to install Eclipse plug-in? [message #198658 is a reply to message #198618] |
Thu, 08 March 2007 23:11 |
| Eclipse User |
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Originally posted by: eclipse5.rizzoweb.com
Walter Harley wrote:
> "Vincent" <vincent_kwinsey@yahoo.com> wrote in message
> news:ff8417cd50159caa79dccac86e96cdec$1@www.eclipse.org...
>> Hi,
>>
>> till now I though that this is easy - download the plugin, uzip in and
>> then: put login directory in Eclipse/plugins and features directory in
>> Eclipse/feature (there is no places where to put plugin licenses that are
>> out of /plugins or /features...) and restart Eclipse - but now I have
>> observed that already in several cases (specifically fro BPEL and UML -
>> which I am most eager for) this doesn't work. There is new project types
>> and example project types in new project wizard, but when I am starting on
>> then error message:
>>
>> The selectes wizard could not be started. Reason: Plug-in ... was unable
>> to load class ...Wizard
>>
>> So - what I am doing wrong? [...]
>
> It sounds like the features you're installing depend on other features, that
> you may not yet have installed. If you're not using the upgrade manager,
> you may have to search around on the web site (etc.) of where you got the
> feature, to see what it requires.
Check the file <workspace>/.metadata/.log to see if there are any error
reported that point to a prerequisite requirement.
Is there any reason you're not using the Update Manager?
One more thing: some plugins don't have much or any UI on their own. For
example, the Eclipse UML2 plugin is, IIRC, just infrastructure; it is
the UML2 Tools plugin that adds the UI.
You can use Help > About... > Plug-In Details... to see a list of the
plugins that are active. And you can use Help > Software Updates >
Manage Configuration to enable/disable them.
Hope this helps,
Eric
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