java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook [英] java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook

问题描述

java.lang.NoClassDefFoundError:org/apache/poi/hssf/usermodel/HSSFWorkbook

这是java web 项目.java项目没问题，但在web中，我得到了这个异常.

This is java web project. The java project is ok, but in web, I got this exception.

Caused by: java.lang.ClassNotFoundException: org.apache.poi.hssf.usermodel.HSSFWorkbook
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)

Maven 依赖:

<!-- apahce poi -->
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>3.7</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-scratchpad</artifactId>
        <version>3.7</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml</artifactId>
        <version>3.7</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml-schemas</artifactId>
        <version>3.7</version>
    </dependency>

推荐答案

您需要将 Apache POI 文件放在服务器上的 WEB-INF/lib 文件夹中.

You need to put the Apache POI files in the WEB-INF/lib folder on the server.

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