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博客园 - mabiao008

idea更新代码时Merge和Rebase区别 CC skill Mac下载免费软件遇到问题解决 CQRS 错误码code是int类型好还是String类型好 idea2025版本破解 pgsql切换当前会话的模式 java程序中增加mongodb的联合索引 文档启动脚本报错:-bash: ./app.sh: /bin/bash^M: bad interpreter: No such file or directory Milvus索引 pandoc使用 idea把unicode转为中文 idea 插件分享 java项目处理OFD文件 java项目无法读取resources目录下的文件 三种数据对象的区别 Linux环境aspose插件word转pdf中文乱码解决方案 java List报错Method threw ‘java.lang.UnsupportedOperationException‘ exception. 解决 java字段值为null,转json后不存在该字段对应的key 格式化json大文件 springboot项目启动报错Command line is too long. Shorten the command line via JAR manifest or via a classpath file and rerun. linux的TCP端口问题 关于linux端口号 linux下生成pdf文件名遇到问题 把页面查询到的数据导出PDF文件(html中的在线表单下载为pdf文件)
com.alibaba.excel.exception.ExcelGenerateException: Can not close IO
mabiao008 · 2022-11-07 · via 博客园 - mabiao008

线上出现一个导出excel的,报错:

 第一想到的是数据量较大,查询超时,所以我把nginx超时时间设置长一点,还是不行。

启动程序后,执行查询到了文件list,然后执行 

EasyExcel.write(response.getOutputStream(), FileData.class).sheet("模板").doWrite(contentAuditService.getNonConformanceFileList(id, markTypeName));
报错:com.alibaba.excel.exception.ExcelGenerateException: Can not close IO

说明并不是查询等待超时,而是在执行EasyExcel.write时出错的。

网上搜了下,大概博主们解决办法如下:
1.检查:查看poi版本是否冲突
2.检查是否缺少依赖版本
3.检查poi的版本要大于等于3.17版本

我这个项目只引入了:

<dependency>
<groupId>com.alibaba</groupId>
<artifactId>easyexcel</artifactId>
<version>2.1.6</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.17</version>
</dependency>

我尝试了升级easyexcel, 还是不行

把poi都引入了之后,问题解决了,不再报错了