java.lang.Error:Unresolved compilation Problems:syntax Error on token ' return ', delete this token Type mismatch:cannot Convert from Init to String

java.lang.Error:Unresolved compilation Problems:syntax Error on token ' return ', delete this token Type Mismatch:cann OT convert from Init to String

Dubbo the error when invoking the service!

So here's the problem. What's wrong with that?   English is not good.

Type mismatch: cannot convert from Init to String

Dubbo when the service is invoked, the return value is serialized!! This time, I look at the Init to String

In fact, the problem is solved, in the serialization when the problem of implementation of the interface serializable

java.lang.Error:Unresolved compilation Problems:syntax Error on token ' return ', delete this token Type mismatch:cannot Convert from Init to String