java.lang.NoClassDefFoundError: org/apache/poi/xssf/usermodel/XSSFWorkbook
问题 I was getting this exception but I am not able to understand what is happening there. Because on compilation time my class able access apache POI classes but on runtime my classes throws exception that he is not able find org.apache.poi.xssf.usermodel.XSSFWorkbook . Till now whatever solution is provided on net I have tried everything but not understanding what I am missing. And weird thing is same code and same Apache POI library working on my friend's eclipse. We both have identical