jackson error 含义log

Caused by: com.fasterxml.jackson.databind.JsonMappingException: Can not deserial
ize instance of java.lang.String out of START_OBJECT token
 at [Source: org.apache.http.conn.EofSensorInputStream@51796217; line: 1, column
: 274] (through reference chain: com.expedia.lodging.domain.valueobject.poi.tip.
Tip["postalAddress"])
        at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingE
xception.java:164)
        at com.fasterxml.jackson.databind.DeserializationContext.mappingExceptio
n(DeserializationContext.java:691)
        at com.fasterxml.jackson.databind.deser.std.StringDeserializer.deseriali
ze(StringDeserializer.java:46)
        at com.fasterxml.jackson.databind.deser.std.StringDeserializer.deseriali
ze(StringDeserializer.java:11)
        at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize
(SettableBeanProperty.java:525)