grails注释错误，不确定解决方案，有解决方法[重复]

Question

目前有一个新的 grails 2.2.1 项目，我收到此错误：

| Error 2013-08-14 15:31:26,358 [localhost-startStop-1] ERROR context.GrailsContextLoader  - Error initializing the application: Error creating bean with name 'annotationHandlerMapping': Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/codehaus/jackson/annotate/JacksonAnnotation
Message: Error creating bean with name 'annotationHandlerMapping': Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/codehaus/jackson/annotate/JacksonAnnotation
Line | Method
->>  334 | innerRun  in java.util.concurrent.FutureTask$Sync
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    166 | run       in java.util.concurrent.FutureTask
|   1145 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    615 | run       in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run . . . in java.lang.Thread

Caused by NoClassDefFoundError: org/codehaus/jackson/annotate/JacksonAnnotation
->> 3098 | initAnnotationsIfNecessary in java.lang.Class
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|   3057 | getAnnotation in     ''
|   3070 | isAnnotationPresent in     ''
|    334 | innerRun  in java.util.concurrent.FutureTask$Sync
|    166 | run . . . in java.util.concurrent.FutureTask
|   1145 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    615 | run . . . in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run       in java.lang.Thread

Caused by ClassNotFoundException: org.codehaus.jackson.annotate.JacksonAnnotation
->>  175 | findClass in org.codehaus.groovy.tools.RootLoader
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    423 | loadClass in java.lang.ClassLoader
|    147 | loadClass in org.codehaus.groovy.tools.RootLoader
|    356 | loadClass in java.lang.ClassLoader
|   3098 | initAnnotationsIfNecessary in java.lang.Class
|   3057 | getAnnotation in     ''
|   3070 | isAnnotationPresent in     ''
|    334 | innerRun  in java.util.concurrent.FutureTask$Sync
|    166 | run . . . in java.util.concurrent.FutureTask
|   1145 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    615 | run . . . in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run       in java.lang.Thread

我有一个解决方法

grails clean
grails refresh-dependencies
grails run-app

这在我需要重新启动我的 grails 应用程序之前有效。关于为什么会发生这种情况的任何想法？

Answer 1

原来这个问题源于 Java 7（我有 uodate 17）。我把它转回 Java 6 并且很好。