Flash Builder 4.6 Mobile Project Using Blazeds & Native Extension

Hi,
I'm building a Flex Mobile project in FB, that uses BlazeDS to access data through a Spring Project, and also uses an ANE file to access the device's contacts. I want to debug the application on a device connected with a USB cable, so had to set my root and output folders in Server Settings using UNC so it can be found from my device thru my wifi network. I also have added the native extension via the Build Path and Packaging tabs. When I debug from a desktop emulator, things launch OK and the extension correctly tells me it's not supported on the emulator. However, if I debug on the device, FB throws an exception at launch, complaining of a java null pointer exception. The Eclipse log, in part, looks like this:
com.adobe.flexbuilder.project.AbstractXMLModel$FileReadException: org.eclipse.core.internal.resources.ResourceException: Resource '/NewOne-debug/NewOne-app.xml' does not exist.
          at com.adobe.flexbuilder.project.air.internal.xml.ApplicationXMLModel.<init>(ApplicationXMLM odel.java:102)
          at com.adobe.flexbuilder.project.air.AppXMLCreator.init(AppXMLCreator.java:91)
          at com.adobe.flexbuilder.project.air.AppXMLCreator.<init>(AppXMLCreator.java:80)
          at com.adobe.flexbuilder.project.air.AppXMLCreator.<init>(AppXMLCreator.java:73)
          at com.adobe.flexbuilder.project.ui.utils.ANE.AppXMLFileANEExtensionHandler.getAppXMLCreator (AppXMLFileANEExtensionHandler.java:153)
          at com.adobe.flexbuilder.project.ui.utils.ANE.AppXMLFileANEExtensionHandler.retainExtensionI ds(AppXMLFileANEExtensionHandler.java:315)
          at com.adobe.flexbuilder.project.ui.utils.ANE.ANEController.modifyAppXMLforPackaging(ANECont roller.java:371)
          at com.adobe.flexbuilder.project.ui.utils.ANE.ANEController.modifyAppXMLforPackaging(ANECont roller.java:338)
          at com.adobe.flexbuilder.project.ui.utils.ANE.AbstractANEPackageHandler.modifyAppXMLforPacka ging(AbstractANEPackageHandler.java:91)
          at com.adobe.flexide.launching.multiplatform.launchhandlers.AbstractMultiPlatformLaunchHandl er.applyNativeExtensionDetails(AbstractMultiPlatformLaunchHandler.java:164)
          at com.adobe.flexide.multiplatform.android.launching.ADBLaunchHandler.doPackage(ADBLaunchHan dler.java:424)
          at com.adobe.flexide.multiplatform.android.launching.ADBLaunchHandler.launch(ADBLaunchHandle r.java:250)
          at com.adobe.flexide.launching.multiplatform.MultiPlatformLaunchDelegate.launch(MultiPlatfor mLaunchDelegate.java:191)
          at com.adobe.flexide.launching.AbstractFlexLaunchDelegate.launch(AbstractFlexLaunchDelegate. java:244)
          at com.adobe.flexide.launching.AbstractFlexLaunchDelegate.launch(AbstractFlexLaunchDelegate. java:134)
          at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:854)
          at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:703)
          at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:928)
          at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1132)
          at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: org.eclipse.core.internal.resources.ResourceException: Resource '/NewOne-debug/NewOne-app.xml' does not exist.
          at org.eclipse.core.internal.resources.Resource.checkExists(Resource.java:320)
          at org.eclipse.core.internal.resources.Resource.checkAccessible(Resource.java:194)
          at org.eclipse.core.internal.resources.File.getContents(File.java:287)
          at org.eclipse.core.internal.resources.File.getContents(File.java:278)
          at com.adobe.flexbuilder.project.air.internal.xml.ApplicationXMLModel.<init>(ApplicationXMLM odel.java:100)
          ... 19 more
I guess the problem is that when the application tries to run on my device, the extension is not finding the application descriptor file. Is there anything else I need to do?
I appreciate any help.
Jay

Here's the fix in case anyone else runs into this problem. When Flash Builder is building the deployment during launch, it converts the mapped path to a mangled local path for the ane to find the descriptor to a relative path, which can't be found and throws the null pointer. Making the Output Folder path actually local to the computer, as opposed to the default that FB creates, resolves the error, and still allows blazeds access from the device.

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