I hope 2.2.6 and 2.3 will have backward compatibility with GWT 2.6. We tried to compile our application with GWT2.6 RC1 and in both cases we are seeing exceptions during binding.
For 2.2.6, we get
[INFO] [ERROR] Errors in 'jar:file:/C:/devtools/libs/.m2/repository/com/extjs
[INFO] [ERROR] Line 548: Type mismatch: cannot convert from com.google.gwt
.dom.client.Element to com.google.gwt.user.client.Element
It turns out to not be anywhere that simple, since there are several places inside of GWT that expect user.client.Element or return user.client.Element, so we can't simply make the cut all at once. With so many GWT developers gathered for GWT.create this week, I'm hoping we can discuss going even further for the final GWT 2.6.0 release, but we'll see how it goes.
The minimal set of changes that can be made is very small - I believe it is just a single cast added to each HtmlEditor, El, and TreePanel, and this patch works all versions of GXT trunk (i.e. won't break compat all the way back to GWT 1.7). That said, Java6 support is still broken as of GWT 2.6.0-rc3, so I'm not counting on anything until the final is out in the wild.
We're interested in adding support for GWT 2.6, but as this is the legacy version at this time, support cannot come at the cost of breaking the currently supported legacy versions of GWT - as noted, we support back to GWT 1.7. While for you it may be perfectly okay to drop support for such old versions of GWT, other GXT users might say the same thing about GXT 2.x .
Thank you for you answer. There is one and most important thing I don't understand whether there are solid plans to support GWT 2.6!?
Honestly, we're more interested in profiting from new features of GWT 2.6 using GXT 2.x branch.
Dronvano, that's certainly your prerogative, but GXT 3 is under more active development and is significantly better performing than GXT 2. The upcoming (yet currently incomplete) GWT 2.6 release will remove support for IE6 and 7, and while it does add a few improvements and bug fixes, this is not intended to be a major release.
GXT 2 is very much the legacy version - we support all the way back to GWT 1.7. This means that when GWT finally removes old deprecated classes like DeferredCommand, etc, GXT 2 will either have to drop GWT 1.7 support, or will no longer be able to be updated. You say you'd like to use an old version of GXT (i.e. 2.2.6, released Just 4, 2012) with a bleeding edge version of GWT - others would prefer to use a new version of GXT (2.3.1) that supports an old version of GWT (1.7).
Under GXT 3 we've elected to instead only officially support the latest GWT release, and aim for the next release or so of GWT to also be automatically supported where possible.
For my company, we'd probably prefer having the latest GXT2 (2.3.x) support GWT 2.6.0 if possible. But it sounds like the changes the GWT team is making to core classes is making this very difficult for Sencha.
It is our goal to keep GXT 2 working well with the current releases as long as we support it (Sencha supports the two most recent major releases of any product, so GXT 2 support will be ended when GXT 4 is released, targeted for late summer, after GWT 3 arrives). We're focusing our efforts right now on GXT 3.1, but with that in a stable state we will take a closer look at GXT 2.
Hi in case to migrate my modules from GXT 2.2.4 GWT 2.5.1 to GXT 2.31 and GWT 2.6.0(or 2.6.1-rc1) ; i got this error: [ERROR] Errors in 'jar:file:/C:/Users/XXX/.m2/repository/com/extjs/gxt/2.3.1-gwt22/gxt-2.3.1-gwt22.jar!/com/extjs/gxt/ui/client/widget/form/HtmlEditor.java'[INFO] [ERROR] Line 548: Type mismatch: cannot convert from com.google.gwt.dom.client.Element to com.google.gwt.user.client.Element[INFO] [ERROR] Errors in 'jar:file:/C:/Users/XXX/.m2/repository/com/extjs/gxt/2.3.1-gwt22/gxt-2.3.1-gwt22.jar!/com/extjs/gxt/ui/client/widget/treepanel/TreePanel.java'[INFO] [ERROR] Line 1634: The constructor El(Element) is undefined. Any help is appreciated
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