| Exception thrown with EMF 2.9 and RAP 2.0 [message #1007818] |
Thu, 07 February 2013 10:22  |
Eclipse User |
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Hi all,
I was evaluating the migration of an RAP 1.5 and EMF 2.8 application to the latest RAP 2.0 and EMF 2.9 builds (preparing for the future ahead).
Everything seems to work great out of the box except for the following problem, when I try to open an generated editor I get a ClassNotFoundException for the class SessionSingletonBase (which was replaced by SingletonUtil in RAP 2.0).
After analyzing the exception trace it seems the culprit is the ExtendedImageRegistry class, in particular the following code:
try
{
Class<?> singletonUtilityClass = CommonPlugin.loadClass("org.eclipse.rap.rwt", "SingletonUtil");
instanceMethod = singletonUtilityClass.getMethod("getSessionInstance", Class.class);
}
catch (Exception exception)
{
try
{
Class<?> singletonUtilityClass = CommonPlugin.loadClass("org.eclipse.rap.rwt", "SessionSingletonBase");
instanceMethod = singletonUtilityClass.getMethod("getInstance", Class.class);
}
catch (Exception exception2)
{
EMFEditUIPlugin.INSTANCE.log(exception2);
}
}
So it seems the class is already prepared for RAP 2.0 since it tries to load the SingletonUtil class, however due to some strange reason the class is not found.
Note that everything else works fine in the application which means that the SingletonUtil class is used in other non EMF places correctly.
Is it a bug or something I overlooked?
Thanks!
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| Re: Exception thrown with EMF 2.9 and RAP 2.0 [message #1007990 is a reply to message #1007818] |
Fri, 08 February 2013 01:24  |
| Eclipse User |
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Sorry, yes was reported as
https://bugs.eclipse.org/bugs/show_bug.cgi?id=399246. I'll commit the
fix today.
On 07/02/2013 7:18 PM, TSimoes Mising name wrote:
> Hi all,
>
> I was evaluating the migration of an RAP 1.5 and EMF 2.8 application
> to the latest RAP 2.0 and EMF 2.9 builds (preparing for the future
> ahead).
>
> Everything seems to work great out of the box except for the following
> problem, when I try to open an generated editor I get a
> ClassNotFoundException for the class SessionSingletonBase (which was
> replaced by SingletonUtil in RAP 2.0).
>
> After analyzing the exception trace it seems the culprit is the
> ExtendedImageRegistry class, in particular the following code:
>
>
> try
> {
> Class<?> singletonUtilityClass =
> CommonPlugin.loadClass("org.eclipse.rap.rwt", "SingletonUtil");
> instanceMethod =
> singletonUtilityClass.getMethod("getSessionInstance", Class.class);
> }
> catch (Exception exception)
> {
> try
> {
> Class<?> singletonUtilityClass =
> CommonPlugin.loadClass("org.eclipse.rap.rwt", "SessionSingletonBase");
> instanceMethod = singletonUtilityClass.getMethod("getInstance",
> Class.class);
> }
> catch (Exception exception2)
> {
> EMFEditUIPlugin.INSTANCE.log(exception2);
> }
> }
>
>
> So it seems the class is already prepared for RAP 2.0 since it tries
> to load the SingletonUtil class, however due to some strange reason
> the class is not found.
>
> Note that everything else works fine in the application which means
> that the SingletonUtil class is used in other non EMF places correctly.
>
> Is it a bug or something I overlooked?
>
> Thanks!
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