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error occors after move the runtime to rap 2.0 nightly build! [message #933468]

Fri, 05 October 2012 03:23

David Song

Messages: 217
Registered: April 2011

Senior Member

hi all,
two errors occor after I move the runtime to rap 2.0 nightly build.
1, chinese garbage characters in table viewer
2,

Error: Error: Operation "create" on target "w26" of type "null" failed:
No Adapter for type com.xxx.MSLine
Properties: 
parent = w19
appearance = composite
overflow = hidden
bounds = 0,0,376,234
children = 
tabIndex = 17

I change JSWriter to IClientObject for my custom widgets, but errors occor!

Thanks, any help is appreciate

David

[Updated on: Fri, 05 October 2012 03:24]

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Re: error occors after move the runtime to rap 2.0 nightly build! [message #948717 is a reply to message #933468]

Thu, 18 October 2012 09:54

Missing name Missing name

Messages: 1
Registered: July 2009

Junior Member

I am wrestling with the same issue when migrating from JSWriter to IClientObject in our custom widgets. I am currently migrating from 1.4 to 1.5 and trying to get rid of deprecated API usage.

Any hint what might be the problem? Any link to a migration guide/tutorial/sample?

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Re: error occors after move the runtime to rap 2.0 nightly build! [message #948973 is a reply to message #948717]

Thu, 18 October 2012 15:02

Ralf Sternberg

Messages: 1313
Registered: July 2009

Senior Member

On 10/18/2012 02:11 PM, Missing name Mising name wrote:
> I am wrestling with the same issue when migrating from JSWriter to
> IClientObject in our custom widgets. I am currently migrating from 1.4
> to 1.5 and trying to get rid of deprecated API usage.
>
> Any hint what might be the problem? Any link to a migration
> guide/tutorial/sample?

With the new protocol, the part of RWT that communicates with the client
is changing massively at the moment. At release time, things will have
cooled down and we will provide a wiki page with advice on writing
custom widgets for RAP 2.0 [1]. Until then you can safely stay with 1.5
(there will be another service release in Feb 2013).

For early adopters, I'd recommend to have a look at the LCAs for the
core widgets in HEAD. JSWriter does not exist anymore, as no JavaScript
is written to the client. For alternatives to the JSWriter, have a look
at WidgetLCAUtil#renderProperty and friends. On the client, your custom
widget needs a protocolAdapter [2].

Regards,
Ralf

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=392337
[2]
http://git.eclipse.org/c/rap/org.eclipse.rap.git/tree/bundles/org.eclipse.rap.rwt/js/rwt/protocol/adapter/GroupAdapter.js

--
Ralf Sternberg

Twitter: @EclipseRAP
Blog: http://eclipsesource.com/blogs/

Professional services for RAP and RCP?
http://eclipsesource.com/services/rap/

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