enctype="multipart/form-data"

最新推荐文章于 2020-08-27 10:05:20 发布

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最新推荐文章于 2020-08-27 10:05:20 发布

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文章标签： exception apache report server

本文链接：https://blog.youkuaiyun.com/silentJesse/article/details/1925974

本文探讨了在使用Struts框架进行文件上传时遇到的一个常见错误：HTTP状态500异常。详细分析了错误产生的原因，即表单缺少multipart/form-data属性，并展示了完整的异常堆栈跟踪。

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如果是上传文件没有在form中没有增加这个属性(enctype="multipart/form-data")的话就会出这个错误:
HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: BeanUtils.populate org.apache.struts.util.RequestUtils.populate(RequestUtils.java:495) org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:816) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:203) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) javax.servlet.http.HttpServlet.service(HttpServlet.java:710) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) root cause java.lang.IllegalArgumentException: Cannot invoke com.qzNormalUniversity.struts.form.UploadForm.setFile - argument type mismatch org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java:1778) org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java:1759) org.apache.commons.beanutils.PropertyUtilsBean.setNestedProperty(PropertyUtilsBean.java:1648) org.apache.commons.beanutils.PropertyUtilsBean.setProperty(PropertyUtilsBean.java:1677) org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:1022) org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:811) org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:298) org.apache.struts.util.RequestUtils.populate(RequestUtils.java:493) org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:816) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:203) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) javax.servlet.http.HttpServlet.service(HttpServlet.java:710) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.25 logs. Apache Tomcat/5.5.25