com.alibaba.com.caucho.hessian.io.HessianProtocolException: expected map/object at java.lang.String (Ljava/lang/String;Ljava/lang/String;)
at com.alibaba.com.caucho.hessian.io.AbstractDeserializer.error(AbstractDeserializer.java:108)
at com.alibaba.com.caucho.hessian.io.AbstractMapDeserializer.readObject(AbstractMapDeserializer.java:70)
at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1696)
at com.alibaba.dubbo.common.serialize.support.hessian.Hessian2ObjectInput.readObject(Hessian2ObjectInput.java:94)
at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:150)
at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:74)