[英]Xtream com.thoughtworks.xstream.mapper.CannotResolveClassException
我正在尝试XStream。 但是，当我尝试解析我的xml文件时，出现了此异常。
Xml数据如下：类别>类别>儿童>类别
<SuccessResponse>
<Head>
<RequestId></RequestId>
<RequestAction>GetCategoryTree</RequestAction>
<ResponseType>Categories</ResponseType>
<Timestamp>2015-11-25T15:28:09+0800</Timestamp>
</Head>
<Body>
<Categories>
<Category>
<Name>Chinese Books</Name>
<CategoryId>3460</CategoryId>
<GlobalIdentifier>chinese_books</GlobalIdentifier>
<Children>
<Category>
<Name>Literature</Name>
<CategoryId>3461</CategoryId>
<GlobalIdentifier>literature2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Lifestyle Books</Name>
<CategoryId>3462</CategoryId>
<GlobalIdentifier>lifestyle_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Teens Books</Name>
<CategoryId>3463</CategoryId>
<GlobalIdentifier>teens_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Biography Books</Name>
<CategoryId>3464</CategoryId>
<GlobalIdentifier>biography_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Business Books</Name>
<CategoryId>3465</CategoryId>
<GlobalIdentifier>business_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Calendars</Name>
<CategoryId>3466</CategoryId>
<GlobalIdentifier>calendars3</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Babies' Books</Name>
<CategoryId>3467</CategoryId>
<GlobalIdentifier>babies_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Toddlers' Books</Name>
<CategoryId>3468</CategoryId>
<GlobalIdentifier>toddlers_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Parent's Books</Name>
<CategoryId>3469</CategoryId>
<GlobalIdentifier>parents_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Children's Books</Name>
<CategoryId>3470</CategoryId>
<GlobalIdentifier>childrens_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Religion Books</Name>
<CategoryId>3471</CategoryId>
<GlobalIdentifier>religion_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Comic Books</Name>
<CategoryId>3472</CategoryId>
<GlobalIdentifier>comic_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Technology Books</Name>
<CategoryId>3473</CategoryId>
<GlobalIdentifier>technology_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Cooking Books</Name>
<CategoryId>3474</CategoryId>
<GlobalIdentifier>cooking_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Pre Sell Books</Name>
<CategoryId>3476</CategoryId>
<GlobalIdentifier>pre_sell_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Education Books</Name>
<CategoryId>3477</CategoryId>
<GlobalIdentifier>education_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Fitness Books</Name>
<CategoryId>3478</CategoryId>
<GlobalIdentifier>fitness_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>History Books</Name>
<CategoryId>3479</CategoryId>
<GlobalIdentifier>history_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Entertainment Books</Name>
<CategoryId>3480</CategoryId>
<GlobalIdentifier>entertainment_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Law Books</Name>
<CategoryId>3481</CategoryId>
<GlobalIdentifier>law_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Art Books</Name>
<CategoryId>3482</CategoryId>
<GlobalIdentifier>art_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Medical Books</Name>
<CategoryId>3483</CategoryId>
<GlobalIdentifier>medical_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Thrillers</Name>
<CategoryId>3484</CategoryId>
<GlobalIdentifier>thrillers2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Relationship Books</Name>
<CategoryId>3485</CategoryId>
<GlobalIdentifier>relationship_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Social Books</Name>
<CategoryId>3486</CategoryId>
<GlobalIdentifier>social_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Professional Books</Name>
<CategoryId>3487</CategoryId>
<GlobalIdentifier>professional_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Romance</Name>
<CategoryId>3488</CategoryId>
<GlobalIdentifier>romance3</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Science Books</Name>
<CategoryId>3489</CategoryId>
<GlobalIdentifier>science_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Science Fiction Books</Name>
<CategoryId>3490</CategoryId>
<GlobalIdentifier>science_fiction_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Self Help</Name>
<CategoryId>3491</CategoryId>
<GlobalIdentifier>self_help2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Sport Books</Name>
<CategoryId>3492</CategoryId>
<GlobalIdentifier>sport_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Travel Books</Name>
<CategoryId>3493</CategoryId>
<GlobalIdentifier>travel_books2</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Study Aids & Exam Preparations</Name>
<CategoryId>8453</CategoryId>
<GlobalIdentifier>study_aids_exam_preparations</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Language, Linguistics & Writing</Name>
<CategoryId>8455</CategoryId>
<GlobalIdentifier>language_linguistics_writing</GlobalIdentifier>
<Children>
<Category>
<Name>Language Learning & Teaching</Name>
<CategoryId>8458</CategoryId>
<GlobalIdentifier>language_learning_teaching</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Linguistics</Name>
<CategoryId>8459</CategoryId>
<GlobalIdentifier>linguistics</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Grammar</Name>
<CategoryId>8460</CategoryId>
<GlobalIdentifier>grammar</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Dictionaries</Name>
<CategoryId>8461</CategoryId>
<GlobalIdentifier>dictionaries</GlobalIdentifier>
<Children/>
</Category>
</Children>
</Category>
<Category>
<Name>Text books</Name>
<CategoryId>8462</CategoryId>
<GlobalIdentifier>text_books</GlobalIdentifier>
<Children>
<Category>
<Name>High School</Name>
<CategoryId>8463</CategoryId>
<GlobalIdentifier>high_school1</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>University</Name>
<CategoryId>8464</CategoryId>
<GlobalIdentifier>university1</GlobalIdentifier>
<Children/>
</Category>
</Children>
</Category>
</Children>
</Category>
<Category>
<Name>Calendars</Name>
<CategoryId>8465</CategoryId>
<GlobalIdentifier>calendars</GlobalIdentifier>
<Children>
<Category>
<Name>Wall calendars</Name>
<CategoryId>8466</CategoryId>
<GlobalIdentifier>wall_calendars</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Mini wall calendars</Name>
<CategoryId>8467</CategoryId>
<GlobalIdentifier>mini_wall_calendars</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Box calendars</Name>
<CategoryId>8468</CategoryId>
<GlobalIdentifier>box_calendars</GlobalIdentifier>
<Children/>
</Category>
<Category>
<Name>Planners</Name>
<CategoryId>8469</CategoryId>
<GlobalIdentifier>planners</GlobalIdentifier>
<Children/>
</Category>
</Children>
</Category>
</Categories>
</Body>
分类对象
@XStreamAlias("Categories")
public class Categories {
private List<Category> Category;
}
类别对象
@XStreamAlias("Category")
public class Category {
private String Name;
private String CategoryId;
private String GlobalIdentifier;
private Children Children;
}
儿童对象
@XStreamAlias("Children")
public class Children {
private List<Category> Category;
}
解析：
XStream xs = new XStream();
xs.autodetectAnnotations(true);
xs.alias("Categories", Categories.class);
xs.alias("SuccessResponse", CategorySuccessResponse.class);
CategorySuccessResponse successResponse = (CategorySuccessResponse) xs
.fromXML(response);
错误：
---- Debugging information ----
message : Name
cause-exception :
com.thoughtworks.xstream.mapper.CannotResolveClassException
cause-message : Name
class : java.util.ArrayList
required-type : java.util.ArrayList
converter-type :
com.thoughtworks.xstream.converters.collections.CollectionConverter
path : /SuccessResponse/Body/Categories/Category/Name
line number : 12
version : 1.4.8
是什么原因导致此错误？
我也遇到了同样的问题，无论您在哪里定义列表数据，都尝试使用@XStreamImplicit 。
@XStreamAlias("Categories")
public class Categories {
@XStreamImplicit
private List<Category> Category;
}
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