How are you executing the contents of the jar file?
Have you tried opening a command prompt and entering the java command to execute the jar's contents:
java -jar <JARFILE_NAME>
What happens?
...
Type: Posts; User: Norm
Re: Exception in thread "main" java.lang.NoSuchMethodException: VaccineCount.main([Ljava.lang.String;) at java.base/java.lang.Class.getMethod(Class.java:2108) at org.apache.hadoop.util.RunJar.run(RunJar.java:215) at org.apache.hadoop.uti
How are you executing the contents of the jar file?
Have you tried opening a command prompt and entering the java command to execute the jar's contents:
java -jar <JARFILE_NAME>
What happens?
...