(1)出现异常错误:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/collections4/ListValuedMap
at com.css.eshop.admin.util.ExcelReader.read(ExcelReader.java:378)
at com.css.eshop.admin.util.UploadProductUtil.uploadDelivchrgListener3(UploadProductUtil.java:121)
at com.css.eshop.admin.util.UploadProductUtil.main(UploadProductUtil.java:22)
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)
... 3 more
异常截图如下:
2、错误原因
由错误提示可知,是缺少有关collections4的jar
3、解决办法
(1)将commons-collections4-4.1.jar复制到lib目录
(2)如果是Maven项目,可以在pom.xml中添加
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>4.1</version>
</dependency>