[Resolvido]Erro ao criar .jar

Note: Creating non-static metadata factory ...
Note: Found Option : eclipselink.canonicalmodel.use_static_factory, with value: false
Note: Optional file was not found: META-INF/orm.xml continuing with generation.
Note: Optional file was not found: META-INF/eclipselink-orm.xml continuing with generation.
Note: Optional file was not found: META-INF/orm.xml continuing with generation.
Note: Optional file was not found: META-INF/eclipselink-orm.xml continuing with generation.
error: javax.annotation.processing.FilerException: Attempt to recreate a file for type model.Acao_


An annotation processor threw an uncaught exception.
Consult the following stack trace for details.
java.lang.RuntimeException: javax.annotation.processing.FilerException: Attempt to recreate a file for type model.Acao_
	at org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor.process(CanonicalModelProcessor.java:407)
	at com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:627)
	at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:556)
	at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:701)
	at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:987)
	at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:727)
	at com.sun.tools.javac.main.Main.compile(Main.java:353)
	at com.sun.tools.javac.main.Main.compile(Main.java:279)
	at com.sun.tools.javac.main.Main.compile(Main.java:270)
	at com.sun.tools.javac.Main.compile(Main.java:69)
	at com.sun.tools.javac.Main.main(Main.java:54)
Caused by: javax.annotation.processing.FilerException: Attempt to recreate a file for type model.Acao_
	at com.sun.tools.javac.processing.JavacFiler.checkNameAndExistence(JavacFiler.java:478)
	at com.sun.tools.javac.processing.JavacFiler.createSourceOrClassFile(JavacFiler.java:372)
	at com.sun.tools.javac.processing.JavacFiler.createSourceFile(JavacFiler.java:363)
	at org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor.generateCanonicalModelClass(CanonicalModelProcessor.java:98)
	at org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor.generateCanonicalModelClasses(CanonicalModelProcessor.java:226)
	at org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor.process(CanonicalModelProcessor.java:403)
	... 10 more
C:\Documents and Settings\F8051921\My Documents\Projetos\Preventiva\Src\PreventivaApp\nbproject\build-impl.xml:948: The following error occurred while executing this line:
C:\Documents and Settings\F8051921\My Documents\Projetos\Preventiva\Src\PreventivaApp\nbproject\build-impl.xml:296: Compile failed; see the compiler error output for details.
BUILD FAILED (total time: 3 seconds)