JsonparseException非法的非引用字符((CTRL-CHAR,代码10)

Question

我正在尝试使用org.apache.httpcomponentsrest api,它会将json格式数据发布到api.

虽然我得到例外

引起:com.fasterxml.jackson.core.JsonParseException:非法引用的字符((CTRL-CHAR,代码10)):必须使用反斜杠进行转义才能包含在字符串中.

原因是ctrl-char包含在json字符串中.

有没有办法替换它.或者其他一些解决方案？

谢谢!

Answer 1

如果您在JSON字符串文字中有换行符(或其他控制字符),则会发生这种情况.

{"foo": "bar
baz"}

如果您是生成数据的人,请"\\n"在创建字符串文字时将实际换行符替换为转义换行符.

{"foo": "bar\nbaz"}

Answer 2

运用

mapper.configure(Feature.ALLOW_UNQUOTED_CONTROL_CHARS, true);

见javadoc:

 /**
   * Feature that determines whether parser will allow
   * JSON Strings to contain unquoted control characters
   * (ASCII characters with value less than 32, including
   * tab and line feed characters) or not.
   * If feature is set false, an exception is thrown if such a
   * character is encountered.
   *<p>
   * Since JSON specification requires quoting for all control characters,
   * this is a non-standard feature, and as such disabled by default.
   */