java.lang.NoClassDefFoundError: org/apache/poi/POIXMLDocumentPart

这个错误提示表明在运行Java程序时，JVM无法找到org/apache/poi/POIXMLDocumentPart类。这通常是由于缺少相关的jar包或类路径不正确导致的。POIXMLDocumentPart是Apache POI库中的一个类，用于处理Office Open XML（OOXML）格式的文档。如果你的程序需要使用POIXMLDocumentPart类，你需要确保已经正确地导入了Apache POI库，并且类路径已经正确地配置。如果你已经导入了Apache POI库但仍然遇到这个错误，你可以尝试更新或重新安装该库，或者检查你的类路径是否正确。

相关问题

java.lang.noclassdeffounderror: org/apache/poi/poixmldocumentpart

这个错误提示是Java程序在运行时找不到org/apache/poi/poixmldocumentpart类所引起的。这通常是因为缺少相关的类库或者类路径设置不正确所导致的。需要检查程序所依赖的类库是否已经正确引入，并且确认类路径设置是否正确。如果仍然无法解决问题，可以尝试重新安装相关的类库或者重新编译程序。

Caused by: java.lang.NoClassDefFoundError: org/apache/poi/POIXMLDocumentPart

This error indicates that the Java program is trying to use a class named POIXMLDocumentPart from the Apache POI library, but it cannot find the class at runtime. This can happen if the library is not included in the classpath or if there is a version mismatch between the library and the program. To resolve this error, make sure that the Apache POI library is included in the classpath and that it is the correct version for the program.