1、错误描述
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/collections4/ListValuedMap
at com.you.print.ExcelUtils.replaceModel(ExcelUtils.java:21)
at com.you.print.TestReplaceExcel.main(TestReplaceExcel.java:28)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.collections4.ListValuedMap
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 2 more
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>