java.lang.NoClassDefFoundError: org/openxmlformats/schemas/drawingml/x2006/main/ThemeDocument

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1、错误描述

Exception in thread "main" java.lang.NoClassDefFoundError: org/openxmlformats/schemas/drawingml/x2006/main/ThemeDocumentat java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)at java.lang.Class.getConstructor0(Class.java:3075)at java.lang.Class.getDeclaredConstructor(Class.java:2178)at org.apache.poi.xssf.usermodel.XSSFFactory.createDocumentPart(XSSFFactory.java:55)at org.apache.poi.POIXMLFactory.createDocumentPart(POIXMLFactory.java:58)at org.apache.poi.POIXMLDocumentPart.read(POIXMLDocumentPart.java:625)at org.apache.poi.POIXMLDocument.load(POIXMLDocument.java:186)at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:260)at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:330)at com.you.print.ExcelUtils.replaceModel(ExcelUtils.java:21)at com.you.print.TestReplaceExcel.main(TestReplaceExcel.java:28)Caused by: java.lang.ClassNotFoundException: org.openxmlformats.schemas.drawingml.x2006.main.ThemeDocumentat 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)... 12 more

2、错误原因

由错误提示可知，是缺少有关schemas的jar

3、解决办法

（1）将poi-ooxml-schemas-3.15.jar复制到lib目录下

（2）如果是maven项目，在pom.xml添加：

<!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml --><dependency>    <groupId>org.apache.poi</groupId>    <artifactId>poi-ooxml</artifactId>    <version>3.15</version></dependency>

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