my appliction doesn't work at the lastest version,but it works at the early version(0.5) is this a bug?

18:15:48,817 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-6) MSC00001: Failed to start service jboss.deployment.unit."refapp-jbpm-console.war".WeldService: org.jboss.msc.service.StartException in service jboss.deployment.unit."refapp-jbpm-console.war".WeldService: com.google.common.collect.ComputationException: java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
at org.jboss.as.weld.services.WeldService.start(WeldService.java:83)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_26]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_26]
at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_26]
Caused by: com.google.common.collect.ComputationException: java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
at com.google.common.collect.ComputingConcurrentHashMap$ComputingMapAdapter.get(ComputingConcurrentHashMap.java:397)
at org.jboss.weld.resources.ClassTransformer.loadClass(ClassTransformer.java:163)
at org.jboss.weld.bootstrap.BeanDeployer.loadWeldClass(BeanDeployer.java:108)
at org.jboss.weld.bootstrap.BeanDeployer.addClass(BeanDeployer.java:79)
at org.jboss.weld.bootstrap.BeanDeployer.addClasses(BeanDeployer.java:123)
at org.jboss.weld.bootstrap.BeanDeployment.createBeans(BeanDeployment.java:184)
at org.jboss.weld.bootstrap.WeldBootstrap.deployBeans(WeldBootstrap.java:349)
at org.jboss.as.weld.WeldContainer.start(WeldContainer.java:82)
at org.jboss.as.weld.services.WeldService.start(WeldService.java:76)
... 5 more
Caused by: java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
at sun.reflect.annotation.AnnotationParser.parseClassArray(AnnotationParser.java:653) [rt.jar:1.6.0_26]
at sun.reflect.annotation.AnnotationParser.parseArray(AnnotationParser.java:460) [rt.jar:1.6.0_26]
at sun.reflect.annotation.AnnotationParser.parseMemberValue(AnnotationParser.java:286) [rt.jar:1.6.0_26]
at sun.reflect.annotation.AnnotationParser.parseAnnotation(AnnotationParser.java:222) [rt.jar:1.6.0_26]
at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:69) [rt.jar:1.6.0_26]
at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:52) [rt.jar:1.6.0_26]
at java.lang.Class.initAnnotationsIfNecessary(Class.java:3070) [rt.jar:1.6.0_26]
at java.lang.Class.getAnnotations(Class.java:3050) [rt.jar:1.6.0_26]
at org.jboss.weld.introspector.jlr.WeldClassImpl.of(WeldClassImpl.java:119)
at org.jboss.weld.resources.ClassTransformer$TransformTypeToWeldClass.apply(ClassTransformer.java:59)
at org.jboss.weld.resources.ClassTransformer$TransformTypeToWeldClass.apply(ClassTransformer.java:50)
at com.google.common.collect.ComputingConcurrentHashMap$ComputingValueReference.compute(ComputingConcurrentHashMap.java:355)
at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.compute(ComputingConcurrentHashMap.java:184)
at com.google.common.collect.ComputingConcurrentHashMap$ComputingSegment.getOrCompute(ComputingConcurrentHashMap.java:153)
at com.google.common.collect.ComputingConcurrentHashMap.getOrCompute(ComputingConcurrentHashMap.java:69)
at com.google.common.collect.ComputingConcurrentHashMap$ComputingMapAdapter.get(ComputingConcurrentHashMap.java:393)
... 13 more

i searched , maybe a jar is missing from my classpath