hive installation stage, Thread exception in main() java.lang.RuntimeException: org.xml.sax.SAXParseException;

Exception in thread "main" java.lang.RuntimeException: org.xml.sax.SAXParseException; sys
temId: file:/opt/hive/conf/hive-site.xml; lineNumber: 2; columnNumber: 6; The processing instruction target matching "[xX][mM][lL]" is not allowed.

org.xml.sax.SAXParseException; systemId: file:/opt/hive/conf/hive-site.xml; lineNumber: 2
; columnNumber: 6; The processing instruction target matching "[xX][mM][lL]" is not allowed.

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