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SAX – Invalid byte 1 of 1-byte UTF-8 sequence

April 16, 2021December 17, 2009 by mkyong

Note Since Java 8, the JDK built-in Apache Xerces XML parser has been improved a lot, and the majority of the IO classes now default to UTF-8. We cannot simulate the same error anymore, and the internal Xerces APIs are now printing ? for unknown characters instead of showing the error Invalid byte 1 of …

SAX Error – Content is not allowed in prolog

April 14, 2021December 5, 2009 by mkyong

We use SAX parser to parse an XML file, and hist the following error message: Terminal org.xml.sax.SAXParseException; systemId: ../src/main/resources/staff.xml; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. In short, invalid text or BOM before the XML declaration or different encoding will cause the SAX Error – Content is not allowed in prolog. 1. …