org.apache.commons.fileupload.disk.DiskFileItem; local class incompati

[_AnonymousUser]

ava.io.InvalidClassException: org.apache.commons.fileupload.disk.DiskFileItem; local class incompatible: stream classdesc serialVersionUID = 2237570099615271025, local class serialVersionUID = -9124489542191916581
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:570)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1599)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1494)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1748)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1327)
at java.io.ObjectInputStream.readObject(

[Anonymous]

And ??
What are you trying to tell us? Could you please explain a very little bit more in which situation you received this exception ?