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While Executing the Program, Below are the issues Compiler is throwing

Exception in thread "main" java.lang.NoClassDefFoundError: 
org/apache/commons/collections4/ListValuedMap
at ReadExcel.main(ReadExcel.java:19)
Caused by: java.lang.ClassNotFoundException: 
org.apache.commons.collections4.ListValuedMap
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 1 more

Please help me know how to solve this Thanks in advance

vamshi
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    Possible duplicate of [Apache POI error loading XSSFWorkbook class](https://stackoverflow.com/questions/39670382/apache-poi-error-loading-xssfworkbook-class) – Johny Aug 13 '17 at 06:17

2 Answers2

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you should be good if you add the below jar. https://mvnrepository.com/artifact/org.apache.commons/commons-collections4/4.1

kattoor
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  • please remove any older version of jars from your buildpath, an hope you have double checked the version..it is 4.1.. – kattoor Aug 13 '17 at 09:11
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You are missing some required class maybe check your version on pom.xml if you are using eclipse you can do cnt shift T and see if you can open the missing class (ListValuedMap)file and see if it comes from the same jar as you specified in your pom.

Jason J
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  • Thanks For responding I am not using POM instead of that I have directly included jar files related to program in the build path – vamshi Aug 13 '17 at 06:23