java file.delete() returns false but file.exists() returns true

Question

When I am trying to delete a file which is present in tomcat server conf/Catalina/localhost from java code then file.delete() always returns false. But if I am checking the

Answer 1

before deleting the file your should close all the file reading and writing connection after 100% file will be deleted for example buffedreader.close() outputstream.close()