struts2 上传文件不能返回input视图的问题

[Kumee]

请问各路大神, 在使用struts2做文件上传时,当文件太大或者文件类型不对时, struts2 不能反悔input视图是怎么回事？

JSP页面程序

	<s:actionerror/>
  	<s:form action="uploadFile" enctype="multipart/form-data" method="post">
  		<s:textfield name="name" label="文件名"></s:textfield>
  		<s:file name="photo" label="图片"></s:file>
  		<s:submit value="上传"></s:submit>
  	</s:form>

struts.xml 文件配置

<struts>
	<constant name="struts.multipart.maxSize" value="10000000" />
	<package name="pk1" extends="struts-default">
		<action name="uploadFile" class="com.javaWeb.action.Upload1Action" method="upload">
			<result name="success">/success.jsp</result>
			<result name="error">/error.jsp</result>
			<result name="input">/error.jsp</result>
		</action>
	</package>	
</struts>

Upload1Action类

public class Upload1Action extends ActionSupport {
	private static final long serialVersionUID = 1L;
	private String name;
	private File photo;				//必须是File类型，名字对应表单的上传输入域
	private String photoFileName;	//上传文件的文件名。XXXFileName固定写法
	private String photoContentType;//上传文件的MIME类型。XXXContentType固定写法
	
	public String upload() throws Exception{
		System.out.println(name);
		//完成上传
		ServletContext sc = ServletActionContext.getServletContext();
		String directory = sc.getRealPath("/files");//得到存放文件的真实目录
		//构建目标文件
		File target = new File(directory, photoFileName);
		FileUtils.copyFile(photo, target);
		return SUCCESS;
	}
	
	
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public File getPhoto() {
		return photo;
	}
	public void setPhoto(File photo) {
		this.photo = photo;
	}
	public String getPhotoFileName() {
		return photoFileName;
	}
	public void setPhotoFileName(String photoFileName) {
		this.photoFileName = photoFileName;
	}
	public String getPhotoContentType() {
		return photoContentType;
	}
	public void setPhotoContentType(String photoContentType) {
		this.photoContentType = photoContentType;
	}
}

以前是可以返回input视图的,这里做文件上传就不行了，还请大虾们点醒。。

[Coding__man]

解决方案：修改tomcat的server.xml文件

<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" maxSwallowSize="-1"/>

[Coding__man]

https://blog.csdn.net/Coding__man/article/details/82020509