Type definition error: [simple type, class java.io.ByteArrayInputStream]; nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class java.io.ByteArrayInputStream and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: org.apache.http.impl.execchain.HttpResponseProxy[\"entity\"]->org.apache.http.entity.BufferedHttpEntity[\"content\"])
不知道什么问题
返回的stream有可能不是标准XML,解释器无法识别。