couldn't get external folder

[fernando73]

Hello,

when I modify my code just typing, I obtain the error shows bellow. My configuration: Windonws 8.1 64 bits, Eclipse Kepler Service Release 2 Build id: 20140224-0627

thanks in advance,
Fernando

eclipse.buildId=4.3.2.M20140221-1700
java.version=1.8.0_05
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=es_ES
Framework arguments: -product org.eclipse.epp.package.java.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.java.product

OK
Thu May 15 09:52:02 BST 2014
Couldn't get external folder for /Examples/Hello/.gfbuild/Hello2.gf-tags

the console exit:
09:52:02 [DEBUG] Problem reading tags file: platform:/resource/Examples/Hello/.gfbuild/Hello2.gf-tags
org.eclipse.emf.ecore.resource.Resource$IOWrappedException: Resource '/Examples/Hello/.gfbuild/Hello2.gf-tags' does not exist.
at org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl$WorkbenchHelper.createPlatformResourceInputStream(PlatformResourceURIHandlerImpl.java:221)
at org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl.createInputStream(PlatformResourceURIHandlerImpl.java:525)
at org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl.createInputStream(ExtensibleURIConverterImpl.java:360)
at org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl.createInputStream(ExtensibleURIConverterImpl.java:354)
at org.grammaticalframework.eclipse.scoping.GFTagBasedGlobalScopeProvider.parseSingleTagsFile(GFTagBasedGlobalScopeProvider.java:204)
at org.grammaticalframework.eclipse.scoping.GFTagBasedGlobalScopeProvider.parseTagsFile(GFTagBasedGlobalScopeProvider.java:130)
at org.grammaticalframework.eclipse.scoping.GFTagBasedGlobalScopeProvider.access$0(GFTagBasedGlobalScopeProvider.java:120)
at org.grammaticalframework.eclipse.scoping.GFTagBasedGlobalScopeProvider$1.get(GFTagBasedGlobalScopeProvider.java:84)
at org.grammaticalframework.eclipse.scoping.GFTagBasedGlobalScopeProvider$1.get(GFTagBasedGlobalScopeProvider.java:1)
at org.eclipse.xtext.util.OnChangeEvictingCache.get(OnChangeEvictingCache.java:75)
at org.grammaticalframework.eclipse.scoping.GFTagBasedGlobalScopeProvider.getScope(GFTagBasedGlobalScopeProvider.java:82)
at org.eclipse.xtext.scoping.impl.AbstractGlobalScopeProvider.getScope(AbstractGlobalScopeProvider.java:48)
at org.eclipse.xtext.scoping.impl.AbstractGlobalScopeDelegatingScopeProvider.getGlobalScope(AbstractGlobalScopeDelegatingScopeProvider.java:46)
at org.eclipse.xtext.scoping.impl.AbstractGlobalScopeDelegatingScopeProvider.getGlobalScope(AbstractGlobalScopeDelegatingScopeProvider.java:42)
at org.grammaticalframework.eclipse.scoping.GFScopeProvider.getScope(GFScopeProvider.java:77)
at org.eclipse.xtext.linking.impl.DefaultLinkingService.getScope(DefaultLinkingService.java:59)
at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:118)
at org.grammaticalframework.eclipse.linking.GFLinkingService.getLinkedObjects(GFLinkingService.java:57)
at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:228)
at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:205)
at org.eclipse.xtext.linking.lazy.LazyLinkingResource.doResolveLazyCrossReference(LazyLinkingResource.java:172)
at org.eclipse.xtext.linking.lazy.LazyLinkingResource.resolveLazyCrossReference(LazyLinkingResource.java:131)
at org.eclipse.xtext.linking.lazy.LazyLinkingResource.resolveLazyCrossReferences(LazyLinkingResource.java:117)
at org.eclipse.xtext.EcoreUtil2.resolveLazyCrossReferences(EcoreUtil2.java:511)
at org.eclipse.xtext.validation.ResourceValidatorImpl.resolveProxies(ResourceValidatorImpl.java:155)
at org.eclipse.xtext.validation.ResourceValidatorImpl.validate(ResourceValidatorImpl.java:68)
at org.grammaticalframework.eclipse.validation.GFResourceValidator.validate(GFResourceValidator.java:44)
at org.eclipse.xtext.ui.editor.validation.ValidationJob$1.exec(ValidationJob.java:79)
at org.eclipse.xtext.ui.editor.validation.ValidationJob$1.exec(ValidationJob.java:1)
at org.eclipse.xtext.util.concurrent.AbstractReadWriteAcces.readOnly(AbstractReadWriteAcces.java:62)
at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.readOnly(XtextDocument.java:246)
at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:84)
at org.eclipse.xtext.ui.editor.validation.ValidationJob.createIssues(ValidationJob.java:75)
at org.eclipse.xtext.ui.editor.validation.ValidationJob.run(ValidationJob.java:64)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
Caused by: org.eclipse.core.internal.resources.ResourceException: Resource '/Examples/Hello/.gfbuild/Hello2.gf-tags' does not exist.
at org.eclipse.core.internal.resources.Resource.checkExists(Resource.java:341)
at org.eclipse.core.internal.resources.Resource.checkAccessible(Resource.java:215)
at org.eclipse.core.internal.resources.File.getContents(File.java:287)
at org.eclipse.core.internal.resources.File.getContents(File.java:278)
at org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl$WorkbenchHelper.createPlatformResourceInputStream(PlatformResourceURIHandlerImpl.java:207)
... 34 more
09:52:02 [DEBUG] Couldn't get external folder for /Examples/Hello/.gfbuild/Hello2.gf-tags
09:52:02 [INFO ] Incremental build on: Examples
09:52:02 [DEBUG] Running command: c:\Program Files (x86)\gf-3.5\gf.exe --v=0 --tags --output-dir=C:\Users\Fernando\workspace\Examples\Hello.gfbuild\ Hello2.gf
09:52:02 [INFO ] Built: /Examples/Hello/Hello2.gf