Java, Jackson, convert object to xml, problem with invalid characters

Question

I'm trying to convert an object to xml using jackson

XmlMapper xmlMapper = new XmlMapper();
            xmlMapper.configure(ToXmlGenerator.Feature.WRITE_XML_DECLARATION, true);
            xmlMapper.writeValue(createFileResult.getFile(), detailsProductDTOs);

however, because my object somewhere contains invalid character for xml, I get an error. Is there some way to tell jackson to ignore this kind of characters? or any other solution?

Caused by: java.io.IOException: Invalid white space character (0xb) in text to output (in xml 1.1, could output as a character entity)
    at com.ctc.wstx.api.InvalidCharHandler$FailingHandler.convertInvalidChar(InvalidCharHandler.java:56)
    at com.ctc.wstx.sw.XmlWriter.handleInvalidChar(XmlWriter.java:629)
    at com.ctc.wstx.sw.BufferingXmlWriter.writeCharacters(BufferingXmlWriter.java:583)
    at com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:469)
    at com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator.writeString(ToXmlGenerator.java:588)

Could you just remove the invalid characters from the strings in your DTOs using removing invalid XML characters from a string in java or Stripping Invalid XML characters in Java or Filtering illegal XML characters in Java? — dbc
– dbc, Commented Apr 18, 2019 at 18:57
dbc , I can't solve my problem in this way because its very complex object, it will be very ugly and buggy code if I'll try to check every string that it contains — Luka Gorgadze
– Luka Gorgadze, Commented Apr 19, 2019 at 6:58

Luka Gorgadze · Accepted Answer · 2019-04-23 12:02:44Z

4

Finally, I solved the problem by myself. As error indicates xml 1.1 supports this kind of characters. So its possible to solve the problem just by adding following configuration:

xmlMapper.configure(ToXmlGenerator.Feature.WRITE_XML_1_1, true);

answered Apr 23, 2019 at 12:02

Luka Gorgadze

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