我正在尝试使用Struts上传多个文件。在服务器端，只复制一个文件。对于其他文件我得到java.io.FileNotFoundException。
我可以在任何索引处使用ArrayList中的复制文件。但问题是如果我复制下一个文件就会抛出异常。
将单个文件复制到目的地后，似乎.tmp文件被删除了。
请帮助我坚持这个问题2天。
动作：
public String upload() throws Exception{
System.out.println("In Upload action");
String[] fileNames={"array.txt","pdsn.csv","crm.txt","tipps.txt"};
//String destPath=request.getServletContext().getRealPath("")+"\\ArrayCrmData";
String destPath=saveDirectory;
int index=0;
for (String fileName: fileUploadFileName) {
System.out.println("Filename : " + fileName);
}
for (String fileContentType: fileUploadContentType) {
System.out.println("File type : " + fileContentType);
}
try {
System.out.println();
File destFile = new File(destPath,fileNames[0]);
FileUtils.copyFile(fileUpload.get(0), destFile);
System.out.println("Copied:"+destFile.getAbsolutePath()+" From:"+ fileUploadFileName.get(0));
destFile = new File(destPath,fileNames[2]);
FileUtils.copyFile(fileUpload.get(2), destFile);
System.out.println("Copied:"+destFile.getAbsolutePath()+" From:"+ fileUploadFileName.get(2));
destFile = new File(destPath,fileNames[3]);
FileUtils.copyFile(fileUpload.get(3), destFile);
System.out.println("Copied:"+destFile.getAbsolutePath()+" From:"+ fileUploadFileName.get(3));
destFile = new File(destPath,fileNames[1]);
FileUtils.copyFile(fileUpload.get(1), destFile);
System.out.println("Copied:"+destFile.getAbsolutePath()+" From:"+ fileUploadFileName.get(1));
return SUCCESS;
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}return "fail";
}
JSP
<s:form action="MultiUpload" namespace="/" method="POST" enctype="multipart/form-data">
<s:file label="File 1" name="fileUpload" />
<s:file label="File 2" name="fileUpload" />
<s:file label="FIle 2" name="fileUpload" />
<s:file label="FIle 2" name="fileUpload" />
<s:submit value="submit" name="submit" />
</s:form>
struts.xml中
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.multipart.maxSize" value="950971520000" />
<constant name="struts.devMode" value="true" />
<package name="com" namespace="/" extends="struts-default">
<action name="MultiUpload" class="arrayActions.MultiUpload"
method="upload">
<param name="saveDirectory">D:/temp</param>
<interceptor-ref name="defaultStack">
<param name="fileUpload.maximumSize">950971510000</param>
</interceptor-ref>
<interceptor-ref name="execAndWait" />
<result name="wait">longRunningAction-wait.jsp</result>
<result name="success">temp.jsp</result>
<result name="fail">/uploadFail.jsp</result>
</action>
</package>
</struts>
堆栈跟踪：
Unexpected Exception caught setting 'submit' on 'class arrayActions.MultiUpload: Error setting expression 'submit' with value ['submit', ]
In Upload action
Filename : 31Days.txt
Filename : 15Days.txt
Filename : 5days.txt
Filename : april_logins.txt
File type : text/plain
File type : text/plain
File type : text/plain
File type : text/plain
May 25, 2015 12:03:45 PM org.apache.struts2.util.TokenHelper warn
WARNING: Could not find token mapped to token name token
Copied:D:\temp\tipps.txt From:april_logins.txt
java.io.FileNotFoundException: Source 'D:\IDM_Prji\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\work\Catalina\localhost\FpoAutomation\upload_30ff7d78_f31d_4f15_9222_7f8a47eb26f0_00000002.tmp' does not exist
at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:1004)
at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:968)
at arrayActions.MultiUpload.upload(MultiUpload.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:870)
at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1293)
at ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)
at com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:117)
at com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:108)
at ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1369)
at ognl.ASTMethod.getValueBody(ASTMethod.java:90)
at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
at ognl.SimpleNode.getValue(SimpleNode.java:258)
at ognl.Ognl.getValue(Ognl.java:494)
at ognl.Ognl.getValue(Ognl.java:458)
at com.opensymphony.xwork2.ognl.OgnlUtil$2.execute(OgnlUtil.java:309)
at com.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecute(OgnlUtil.java:340)
at com.opensymphony.xwork2.ognl.OgnlUtil.getValue(OgnlUtil.java:307)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:423)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:287)
at org.apache.struts2.interceptor.BackgroundProcess$1.run(BackgroundProcess.java:57)
at java.lang.Thread.run(Thread.java:744)
May 25, 2015 12:03:50 PM com.opensymphony.xwork2.interceptor.ParametersInterceptor error
SEVERE: Developer Notification (set struts.devMode to false to disable this message):
Unexpected Exception caught setting 'submit' on 'class arrayActions.MultiUpload: Error setting expression 'submit' with value ['submit', ]
答案 0 :(得分：0)
删除了“execAndWait”拦截器。它就像一个魅力。