JsonParseException Illegal unquoted character CTRL-CHAR code 10

Question

I m trying to use org apache httpcomponents to consume a Rest API  which will post JSON format data to API   I get this exception       Caused by  com fasterxml jackson core JsonParseException  Illegal   unquoted character   CTRL-CHAR  code 10    has to be escaped using   backslash to be included in string    The reason is because ctrl-char is included in the JSON string   Is there any way to replace this or some other solution

User · Answer

This can happen if you have a newline  or other control character  in a JSON string literal     foo    bar baz     If you are the one producing the data  replace actual newlines with escaped ones    n  when creating your string literals     foo    bar nbaz

User · Answer

On Salesforce platform this error is caused by    the solution is to escape these as

User · Answer

Using mapper configure      JsonReadFeature ALLOW UNESCAPED CONTROL CHARS mappedFeature         true     See javadoc         Feature that determines whether parser will allow    JSON Strings to contain unescaped 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     lt p gt     Since JSON specification requires quoting for all control characters     this is a non-standard feature  and as such disabled by default       Old option JsonParser Feature ALLOW UNQUOTED CONTROL CHARS was deprecated since 2 10  Please see also github thread

User · Answer

This error occurs when you are sending JSON data to server  Maybe in your string you are trying to add new line character by using  n  If you add   before  n  it should work  you need to escape new line character   quot Hello there   n start coding quot   The result should be as following Hello there start coding

[java] JsonParseException : Illegal unquoted character ((CTRL-CHAR, code 10)

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