java - NoClassDefFoundError for org/apache/poi/xssf/usermodel

I've searched along foruns and even though there's a lot of issues regarding this same error, none of them actually helped me with solving this error. I'm getting this error: org.apache.cxf.inter

Cannot create .xlsx file and keep getting Java NoClassDefFoundException and ClassNotFoundException - Stack Overflow

Org Apache Poi Xssf Usermodel Xssfworkbook Jar - Colaboratory

java - NoClassDefFoundError org/apache/poi/ss/usermodel/Workbook - Stack Overflow

java - The package org.apache.poi.ss.usermodel is accessible from more than one module: poi, poi.ooxm - Stack Overflow

Working with Excel in Jython by using apache.poi.xssf lib - Oracle Forums

Why does it create tests with NoClassDefFoundError when the class exists? · Issue #216 · randoop/randoop · GitHub

How to Read, Write XLSX File in Java - Apache POI Example

java - Apache POI XSSFWorkbook throwing NullPointerException for file - Stack Overflow

已解决用poi word转pdf报java.lang.NoClassDefFoundError :org/apache/poi /POIXMLDocumentPart_org.apache.poi.poixmldocumentpart-CSDN博客

java.lang.ClassNotFoundException: org.apache.poi.xwpf.usermodel.IRunBody - Stack Overflow

java lang ClassNotFoundException org.apache.poi.xssf.usermodel. XSSFWorkbook

java使用poi及jxl的一些问题， 解决：java.lang.NoClassDefFoundError: org/apache/poi/xssf/ usermodel/HSSFWorkbook_java.lang.noclassdeffounderror: org/apache/poi /uti-CSDN博客