After downloading the Flex 4 SDK beta 1 and copying it into my Flash Builder 4 (beta) sdks/ directory I get internal build errors on all projects (e.g. a new one).
Has the SDK format changed for FB4?
SDK 188.8.131.5219 - http://opensource.adobe.com/wiki/display/flexsdk/Download+Flex+4
Flash Builder 4 - http://www.adobe.com/cfusion/entitlement/index.cfm?e=labs_flashbuilder 4
So, when there are internal build errors the actual crash info (call stack) is logged in the FB error log. I'm on Mac, but you can view the error log with something like:
Help-->Product Details-->Configuration Details-->View Error Log
Post the error here and we can hopefully decipher.
In any event, I'm not sure it's a great idea to copy files over into your Flash Builder installation per say ... I usually check it out in its own location and add a new Flex SDK ...
(Window-->Preferences-->Flash Builder-->Installed Flex SDKs)
That way you can create a new project and specify your alternate SDK in the new project wizard, leaving the stock SDK that came with FB unmodified.
Thank you. Yes this is what I do too, I haven't modified the original SDK, I've just extracted a freshly downloaded new SDK into its own new folder, I just happen to copy that into the same parent sdks/ folder as I'm regularly running several SDKs and builders for various reasons and it makes sense to keep them all together. I then add the SDK in Flash Builder as you describe, sometimes setting it as default if I'm working with a remote team so we don't have to co-ordinate SDK names exactly.
I'm on a Mac too so I don't have the menu option you describe, however the log in the workspace/.metadata/ folder contains:
!ENTRY com.adobe.flexbuilder.project 4 43 2009-07-08 15:18:20.852
!MESSAGE Uncaught exception in compiler
at com.adobe.flexbuilder.multisdk.compiler.internal.GumboConfiguration.a pplySharedLibraryCache(GumboConfiguration.java:50)
at com.adobe.flexbuilder.multisdk.compiler.internal.ASBuilder.applySetti ngs(ASBuilder.java:337)
at com.adobe.flexbuilder.multisdk.compiler.internal.ASApplicationBuilder .setup(ASApplicationBuilder.java:67)
at com.adobe.flexbuilder.multisdk.compiler.internal.ASItemBuilder.setup( ASItemBuilder.java:54)
at com.adobe.flexbuilder.project.compiler.BuilderFactory.createBuilder(B uilderFactory.java:80)
at com.adobe.flexbuilder.project.compiler.BuilderFactory.createBuilder(B uilderFactory.java:59)
Again, this is a newly created project, created after I set the 4.0 beta 1 SDK as the default in FB 4.
There is a known problem with the Flash Builder Beta build when switching to use a nightly 4.0 SDK - you will get an internal build error citing a ClassCast Exception. This is a Flash Builder issue that was fixed post-Beta. The problem with using nightly SDK builds in the Beta comes up only when you use more than one version of the Flex 4 SDK (i.e. a nightly build and the one included with the FB Beta). You will get an internal compiler error.
To resolve this issue, you could switch all your projects to use the same version of the Flex 4 SDK (or Flex 3 is ok), and then restart Flash Builder to get rid of the build error _OR_ create a new workspace (and ensure you're using only one version of the 4.0 SDK in that workspace).
Please reply back to this thread if this does not work.
Flex SDK Engineer
Thank you Deepa and Sharon, I had set all projects to use the default SDK, so restarting fixed it but I'm glad to hear you will be able to use combinations post-beta.
I've experienced some incredibly strange things when frequently switching SDKs (for forward compat. testing) with Flex Builder 3 also, such as an RTE which told me a local array (var observers:Array in PureMVC's View class) was actually a FlexEvent. Of course it wasn't, and restarting Flex Builder fixed it that time also. Anyway this means I can now switch to Flash Builder 4 so thanks again.
I've tried to apply Deepa's workaround every possible way but it doesn't seem to work for me. I'm trying to use today's nightly build (184.108.40.20611) but I keep hitting the same current error. I'm using Flash Builder Beta 1 Eclipse plugin (with Ganymede) on a new workspace, with only one project created in the workspace.
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