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java.util.MissingFormatArgumentException: Format specifier '%s'

java.util.MissingFormatArgumentException: Format specifier '%s'
at java.util.Formatter.format(Formatter.java:2519)
at java.util.Formatter.format(Formatter.java:2455)
at java.lang.String.format(String.java:2928)

Fix: 
   Check number of %s specifiers in the String and make sure all arguments added in String.format() method.

For example:  String output= "<html><title>%s</title><body>%s</body></html>" ;
String.format(output,"programmersstack","Welcome") ;

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