grails2.0M1 run-app遇到的問題.未解決..

C:\Users\idor\Documents\workspace\hello\helloworld>grails run-app | Running Grails application | Error 2011-08-21 03:02:27,820 [Thread-7] ERROR context.GrailsContextLoader  - Error executing bootstraps: Error creating bean with name 'messageSour ce': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transa ctionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework .beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Invocation of init method failed; nested exception is org.spring framework.beans.BeanInstantiationException: Could not instantiate bean class [org.codehaus.groovy.grails.orm.hibernate.cfg.GrailsAnnotationConfigurati on]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/hibernate/cfg/annotations/reflection/JPAMetadataProvider    Line | Method ->> 303 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |   138 | run      in java.util.concurrent.FutureTask |   886 | runTask  in java.util.concurrent.ThreadPoolExecutor$Worker |   908 | run      in     '' ^   662 | run . .  in java.lang.Thread Caused by BeanCreationException: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting b ean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFact ory': Invocation of init method failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [or g.codehaus.groovy.grails.orm.hibernate.cfg.GrailsAnnotationConfiguration]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundE rror: org/hibernate/cfg/annotations/reflection/JPAMetadataProvider ->> 303 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |   138 | run      in java.util.concurrent.FutureTask |   886 | runTask  in java.util.concurrent.ThreadPoolExecutor$Worker |   908 | run      in     '' ^   662 | run . .  in java.lang.Thread Caused by BeanCreationException: Error creating bean with name 'sessionFactory': Invocation of init method failed; nested exception is org.springframe work.beans.BeanInstantiationException: Could not instantiate bean class [org.codehaus.groovy.grails.orm.hibernate.cfg.GrailsAnnotationConfiguration]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/hibernate/cfg/annotations/reflection/JPAMetadataProvider ->> 303 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |   138 | run      in java.util.concurrent.FutureTask |   886 | runTask  in java.util.concurrent.ThreadPoolExecutor$Worker |   908 | run      in     '' ^   662 | run . .  in java.lang.Thread Caused by BeanInstantiationException: Could not instantiate bean class [org.codehaus.groovy.grails.orm.hibernate.cfg.GrailsAnnotationConfiguration]: C onstructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/hibernate/cfg/annotations/reflection/JPAMetadataProvider ->> 303 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |   138 | run      in java.util.concurrent.FutureTask |   886 | runTask  in java.util.concurrent.ThreadPoolExecutor$Worker |   908 | run      in     '' ^   662 | run . .  in java.lang.Thread Caused by NoClassDefFoundError: org/hibernate/cfg/annotations/reflection/JPAMetadataProvider ->> 303 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |   138 | run      in java.util.concurrent.FutureTask |   886 | runTask  in java.util.concurrent.ThreadPoolExecutor$Worker |   908 | run      in     '' ^   662 | run . .  in java.lang.Thread Caused by ClassNotFoundException: org.hibernate.cfg.annotations.reflection.JPAMetadataProvider ->> 202 | run      in java.net.URLClassLoader$1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |   190 | findClass in java.net.URLClassLoader |   307 | loadClass in java.lang.ClassLoader |   248 | loadClass in     '' |   303 | innerRun in java.util.concurrent.FutureTask$Sync |   138 | run      in java.util.concurrent.FutureTask |   886 | runTask  in java.util.concurrent.ThreadPoolExecutor$Worker |   908 | run      in     '' ^   662 | run . .  in java.lang.Thread C:\Users\idor\Documents\workspace\hello\helloworld>