我的应用程序抛出了下面的错误,尽管我的应用程序中有jackson-core-asl-1.4.2
andjackson-mapper-asl-1.4.2
Caused by: java.lang.NoSuchMethodError: org.codehaus.jackson.type.JavaType.<init>(Ljava/lang/Class;)V
at org.codehaus.jackson.map.type.SimpleType.<init>(SimpleType.java:32)
at org.codehaus.jackson.map.type.TypeFactory._fromClass(TypeFactory.java:254)
at org.codehaus.jackson.map.type.TypeFactory._fromType(TypeFactory.java:266)
at org.codehaus.jackson.map.type.TypeFactory.type(TypeFactory.java:57)
at org.codehaus.jackson.map.ObjectMapper.<clinit>(ObjectMapper.java:49)
at org.springframework.web.servlet.view.json.MappingJacksonJsonView.<init>(MappingJacksonJsonView.java:59)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at com.google.appengine.tools.development.agent.runtime.Runtime.newInstance_(Runtime.java:126)
at com.google.appengine.tools.development.agent.runtime.Runtime.newInstance(Runtime.java:134)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
... 48 more
.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at com.google.appengine.tools.development.agent.runtime.Runtime.newInstance_(Runtime.java:126)
at com.google.appengine.tools.development.agent.runtime.Runtime.newInstance(Runtime.java:134)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
... 48 more
可能是什么原因?应用程序之前工作并将代码提交给 SVN 真的很奇怪,然后当我签出并重新运行所有内容时,我得到了这个错误......