1、错误描述
严重: Servlet.service() for servlet [springmvc] in context with path [/cmp] threw exception [Filtered request failed.] with root cause
java.io.OptionalDataException
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1588)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:428)
at java.util.HashMap.readObject(HashMap.java:1407)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1158)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2173)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream