upload 2 « Operation « Java I/O Q&A





1. Slow File Upload with Large File    coderanch.com

2. Oreilly File Upload package problem    coderanch.com

Hello all: I am using Oreilly MultipartRequest package to upload file. What I found is that if user inputs a file which actually does not exist on the client computer, the file actually gets uploaded successfully. (Saved on the server with empty body). Has anyone experienced above problem? I think a normal handle to this would return an exception to user. ...

3. Uploading a File!!!!    coderanch.com

4. File uploading in jarred application -- URGENT!    coderanch.com

Hi gurus, I have one ear which is deployed into WLS 6.1. In my ear, I would upload files from client into a folder on the server; I would use the same folder to download files from server to client. I have to jar the application for deployment. I use web.xml to specify the directory for file upload/download. If it is ...

5. Urgent - File Upload    coderanch.com

hello, i am doing a file upload routine,it's working fine.but to check if the file exists i am submitting the first jsp(having the input type=file) then in second jsp i am checking the file existence,if true then fwd ing to the uploading servlet,else some error. in this routine,in both the jsp pages,the form method is post,but till then when it goes ...

6. Uploading file.....    coderanch.com

I need to upload a image file(.jpg) from an application written in C++. Basically this c++ application passes the fileName and encoded fileData as parameters to my servlet. I will fetch these parameters from my servlet, decode the fileData and write it to a file. Currently, i have o'reilly's package downloaded to decode this encoded parameter. The question is, is there ...

7. file upload    coderanch.com

Hi, In my project I need to read a data from text file sent from the file at the client side and update database. Problem I am facing is. 1. Should I store the file temporally in the server? (i.e., until it is updated to the database). 2. How to get the file from client to server. Please give your valuable ...

9. problem using oreilly package for file upload    coderanch.com

Sounds like there may be a bug in the oreilly package. One workaround would be to give the options a value. This will then be the value in the request when the form is submitted. For example, You will just have to change your code to check for "cc" instead of "Child Care". Hope ...





10. problem with restricting size of uploading file    coderanch.com

Hi all, I have a file uploading servlet. In that I need to limit the file size to 1MB. I can get the file size at the beginning using request.getContentLength(). Now I need to send output message to the client using the response.getWriter().println(message); This command is getting executed, but the servlet is not sending the response until I read the whole ...

11. File Uploading Problem !!    coderanch.com

Hi all , I wanted to upload a file with a default file name. Ie i dont want to select a file using "BRowse" button but instead i wamt to hardcode the name of file. I tried doing teh same it did not work. WHen i looked into RFC spec , it is mentioned that value attribute of file is readonly ...

12. Upload Files ( canceled )    coderanch.com

13. file uploading    coderanch.com

14. file upload problem    coderanch.com

I've been using the oreilli classes, and when you look at these code there's something else interesting: String type = null; String type1 = req.getHeader("Content-Type"); String type2 = req.getContentType(); // If one value is null, choose the other value if (type1 == null && type2 != null) { type = type2; } else if (type2 == null && type1 != null) ...

15. Using getInputStream and file upload    coderanch.com

16. Uploading files    coderanch.com





17. Uploading LARGE files using Tomcat4.0    coderanch.com

Hi all friends, Iam uploading about 60mb file to my remote server using unique IP and that remote server is Tomcat4.0(OS WinNT4.0)is Iam writing in file through my servlet in the form of block of 1mb. I want to increase the speed of writing of tomcat server.Can any one plz guide me how i can do that.I have following two options ...

18. Upload File    coderanch.com

19. Uploading file not working    coderanch.com

20. File upload    coderanch.com

21. Upload File    coderanch.com

23. It's before, but I'll ask again... Multiple File Upload    coderanch.com

Alright, so I have done some searching (on both JavaRanch and the net) about multiple file uploads but haven't found any that pertained to what I am looking to do. (saw Oriley's servlet package and toyed with it some.. but no dice for the functionality I need) I have developed a file system written in JSP using Oracle 9i for a ...

24. Uploading File??    coderanch.com

Hi all friends, Iam now developing one application which is uploading file and it is based on internet.Now my requirement is my user from any place can upload file on my local computer using internet connection through my website for that i have included client interface on my website.For that Iam using servlet for tomcat server and html for client interface.Now ...

25. File Upload in webserver and appserver    coderanch.com

Hello WebServer:- ibm http server 1.3.9 AppServer :-websphere 4.0 I have installed webserever and websphere plugin on machine webserver. And installed websphere4.0 and machine websphere.( both on diff machine). when i am trying to upload a document from browser on machine webserver Then the file gets uploaded. But when i tried to upload a document from diffrent machine then it is ...

26. commons file upload    coderanch.com

Hi all, Please help as i am having problems with the commons file upload and the project is due in two days. I have a very basic html page that has a file upload browse bbutton. My servlet is also very simple and I got the code from the Oreilly site. So I have written nothing. So it cant be the ...

27. Uploading Files    coderanch.com

What I am trying to do, is allow users to upload files from the web on a website and have those files sent to an ftp server on another computer. These computers on are different networks, and are in different locations. Currently the site is using CGI to do this but I was hoping to find a Java solution for it. ...

28. file upload    coderanch.com

The HTML form where there is a input type file control then its enc type should be as follows The enctype attribute of the FORM element specifies the content type used to encode the form data set for submission to the server. User agents must support the content types listed below. Behavior for other content types is unspecified. application/x-www-form-urlencoded ------------------------------------ This ...

29. How do I upload large files?    coderanch.com

30. uploading files    coderanch.com

31. Stop Request uploading file    coderanch.com

Hi ranchers, I have a multipart form uploading file. I want to limit the file upload to say 5mb. Everithing is fine, But with large uploads, request parse the whole input until it show my error.page for the 5mb limitation. I tried to stop the request parsing the whole file. Tried by redefining the request it in ServletRequestWrapper, changing its getInputStream ...

32. File Uploading    coderanch.com

33. File Upload    coderanch.com

Hi, I got one file upload Servlet. When I try to upload files of considerably large size, it gives me a blank page. What could be the problem? We can handle this at the server side. But if some checks can be done before Form submission it would be better. Any suggestions would be of great help. I found the same ...

34. File upload fails    coderanch.com

Hi all, We have developed an upload module , which helps the user to upload MP3 files to the server. Module contains two parts 1. is the the servlet deployed in WAS 3.5.5 which reads the Httprequest and parse it and save the file to a temporary directory. At the Client end we got a JSP file containing HTML form with ...

35. Handling Uploaded Files    coderanch.com

I'm working on an application in which I want the users to be able to upload a file. That file will then be processed on the server side. I'm planning on using FileUpload to handle the obtaining of the file from the request. Each file will contain data that needs to go into a number of database tables and, potentially, this ...

36. File Upload    coderanch.com

37. File Upload help    coderanch.com

Hi, I am able to upload files through servlets. But the problem is my html form has several text fields apart from an upload field. Whenever I am using ENCTYPE="multipart/form-data" in my form..the file is getting uploaded but my request.getParameter() values are returning NULL. Can anybody please help and let me know what I am supposed to change to make my ...

38. File Upload Contents    coderanch.com

Dont really know what is your problem. Bens reply might help you. And if you are talking about how to get the file name from the file item already uploaded then there must be some method like, fileItem.getName() However, I used to do file uploading stuff with apache commons upload. It is the method there in FileItem class, i guess. [edited] ...

39. Uploading files    coderanch.com

hey folks, i have to upload files from the clients machine to the server. in some cases there is one file that must be uploaded from a web page, in others there should be a possibility to upload a number of files together. i think apache.commons.fileupload project has a nice feature for multi-file uploads. but! the files must be uploaded from ...

40. file upload problem..urgent please    coderanch.com

I am trying to upload a 25 MB file from the browser(IE 6). The app server is Websphere (4.0.6) and HTTP Server is IBM Http Server (1.3.19). I use com.oreilly.servlet.multipart.MultipartParser for uploading. Example, MultipartParser parser = null; String redirect = null; Bean sb = null; try { parser = new MultipartParser(req, 26214400); // max size of image is 25MB Part part; ...

41. How to upload a file using POST method    coderanch.com

42. File Upload    coderanch.com

Try using an absolute path for the directory. While your at it, make it a directory that isn't inside the web app -- at least initially. Finding files on the local system with relative paths is always risky. You're counting on the current working directory of the JVM always being the same. Also, if your app server is configured to run ...

43. File Upload    coderanch.com

I noticed that you've actually posted to several other sites with the same question. Hope my answer could calm you down somewhat. I'd suspect it is a classpath problem. As my eclipse is currently giving me some problem, I could not check if I have a classpath for servlet-api.jar or the like. If you're in desperation (judging from the numerous sites ...

45. Upload memory data instead of file    coderanch.com

Are you saying you want the browser to trick the server into thinking it's sending a file when it's just sending a string from memory? I doubt you'll find a way to do that. The Javascript XMLHttpRequest object does allow you to set request headers. You might want to play around with that to see if you can spoof a multipart ...

46. read contents of a textarea and an uploaded file simultaneously    coderanch.com

Hi, I have a UI in which I have a input type=file to upload a file containing some words.I also have a text area in the same UI where the user can enter certain words. Now in the servlet to which the request from this UI submits to, I want both the file contents and the text entered by the user ...

47. File Upload    coderanch.com

48. Download / Upload file aynchronously    coderanch.com

Hello , I need to download / upload files in my application . However the file sizes sometimes are huge and number of records easily run into millions . This functionality has to be implemented from the web page i.e. Cannot convert this into a batch job. However - can someone throw some light / ideas if I think of uploading ...

49. Upload file    coderanch.com

50. Virus check for uploaded files    coderanch.com

51. File Upload Filetypes    coderanch.com

52. Multiple SSL + File Upload    coderanch.com

Dear all, Is it possible to connect to web application A (For user login) by using HTTPS connection and then upload a file to another web application B (another web server and using another HTTPS connection)? The file upload page is created in web application A but the path of "ACTION" in the page is a URL of web application B, ...

53. Uploading multiple files    coderanch.com

54. File Upload Max Size    coderanch.com

I am Using Multipart Request to Upload files and using streams to write the files the Max size I am able to Upload is 10 MB I am using Jrun 3.0 is this a limitation due to the version of the server i am using, bcos i am able to upload upto 25 MB using Jrun 3.1 can some ome throw ...

55. File Upload with out HTML    coderanch.com

56. problem with file uploading    coderanch.com

Hi suresh, Your question is no very much clear to me. What method you are using for file upload... Is it a web based fileupload or you are using swing based socket connection.. If you are using request.getStream() to get the file stream (in servlet) then you have to create a controller servlet which is listing to user and side by ...

57. file uploading    coderanch.com

58. upload file to client computer    coderanch.com

I am sorry if you didn't understand my question .What i want that is that when user click on save option then a dialog box appears which by default in file name textbox has the value of servletname . I want to override that value .For e.g. My servlet name is s1 user see s1 in filename textbox (in dialog box ...

59. on file uploading    coderanch.com

60. uploading file    coderanch.com

61. Upload a file in multiple chunks paralelly    coderanch.com

Maybe I'm missing something but it seems to be pretty straight-forward. The individual threads, each uploading their particular chunk, could write their chunk onto the file system, and as each finishes checks to see if it's the last one and that all the other chunks have been written. That last thread would concatentate the files into one and remove the individual ...

62. File Upload    coderanch.com

I use following code for transfering file to client machine. ................................... FileInputStream f=new FileInputStream(file_name); FileChannel fc=f.getChannel(); int length=(int)fc.size(); try { byte[] data = new byte[length]; int offset = 0; int numRead = 0; while (offset < length && (numRead=f.read(data, offset, data.length-offset)) >= 0) { offset += numRead; } out = response.getOutputStream(); out.write(data); out.flush(); out.close(); } catch(Exception e) {} ..................................... I want ...

63. File Upload    coderanch.com

Thanks Ben... Sorry to mention third party API. Actually our company is having a framewrok which has the support for File upload, but since I am new to this functionality(i.e. file upload), I just wanted to know what all factors need to be considered for the same. Do we need to have a separate File Transfer Server(which must be having some ...

64. Unable to upload big file    coderanch.com

Hi , I am facing a problem in my application where application is not uploading file more than 1 kb.However it is successfully uploading all those files less than 1 kb. We are using multipart request.The error I am getting is following. --------------------------------------------------- java.io.IOException: Posted content type isn't multipart/form-data at com.oreilly.servlet.multipart.MultipartParser.(MultipartParser.java:119) at com.oreilly.servlet.multipart.MultipartParser.(MultipartParser.java:83) at com.oreilly.servlet.MultipartRequest.(MultipartRequest.java:117) at com.mindspeed.product.admintool.docs.UploadDocAction.perform(UploadDocAction.java:44) at com.mindspeed.product.admintool.PDATUploadServlet.processAction(PDATUploadServlet.java:55) at com.mindspeed.product.admintool.PDATUploadServlet.doGet(PDATUploadServlet.java:43) ...

65. POST data with a file upload    coderanch.com

Hello, I am attempting to make a POST request to another servlet with a file upload. I have the code below but it is not working properly. I posted this in the servlet forum as I am trying to use one servlet to contact another. I think all but the file writing is ok. The other data being written are all ...

66. File Uploading    coderanch.com

68. File Upload in IE    coderanch.com

69. how to upload a file    coderanch.com

70. File Upload First step    coderanch.com

71. progress bar and timeout functionality for file upload    coderanch.com

Hi, I am uploading a file using commons file-upload. I will upload the file on the server, do some processing on the file data, persist into database and then send a response back to user with file uploaded successfully with or without errors. If error occurs i need to delete the file from the server and remove some rows from the ...

72. how to upload file along with HTML form data    coderanch.com

hi, when i try to upload a file along with html form data,am using enctype="multipart/form-data" in the form tag to upload a file.but when i use enctype="multipart/form-data" am unable to get form data.its showing null values.when i remove the enctype attribute from form tag its working fine,but unable to upload the file.pls tell me what might be the reason...am geting frustated ...

73. File Upload    coderanch.com

You would have to dig into the HTTP spec to learn all about multipart requests for starters. Then you would have to implement a request handler that can intercept a multipart request, parse it, and write the binary data sent within to a file (or if it's small enough, store it in memory). Then you would need to learn JavaMail (it's ...

74. Where's my uploaded file?    coderanch.com

I am trying to upload a file, and the browser (a Firefox derivative called Iceweasel,distributed with Debian Linux) doesn't seem to be sending the file. The basic form is like this:

When the request hits my servlet, I iterate through the ...

75. How to upload a file?    coderanch.com

My website is running on Linux. I want to upload images using java code. Can someone please help me how can I do it? If someone can give me code, I will be thankful to him. Specially I would like to know: I have Windows 2000. When I browse the file to upload how does the Linux will read file from ...

76. File Upload    coderanch.com

After a long search on the web I found the following class workable but I have three main problems: 1. It shows other parameters as null e.g. below String uname=request.getParameter("uname"); out.println(uname); 2. It overwrites the file if the filename already exists 3. It saves two copies one on c and other on bin of tomcat e.g. null contact.jpg contact.jpg C:\Program Files\Java\tomcat\bin\.\contact.jpg ...

77. file uploading using apache    coderanch.com

Thank You for the consideration, i have sorted out the problem now i can upload files to server. Now can you help me by giving any links to learn "HOW TO DOWNLOAD FILES FROM THE SERVER AND DISPLAY ON THE CLIENT MACHINE" or please give me some information on how to do this. Thank you, Jagdish K

78. Upload file from Client Browser    coderanch.com

79. upload files    coderanch.com

80. File upload    coderanch.com

Hello, your question is very general in nature. Uploading to some other location in your system would mean copying that file to the other location. The File I/O API's in Java would be the place you want to look for that. For uploading to some other system in the network, the ways are many. It depends on the protocols you want ...

81. how to upload a file    coderanch.com

Hello, please help me last few days i trying lot.I Browsed one file that i want to upload in different path.My "book2" file name must store in this /usr/www/html/uploads/ where to set path in below code Below code where to give the particular file name please help me i new to file concept when i executing the file in browser showing ...

82. Problems with uploading files    coderanch.com

Hi all, I'm trying to upload some images from a web site and using code off JavaRanch can successfully upload straight from a form using the code in a JSP. My problem arises when I then try and do the same thing in a servlet. I get a list of errors but they all basically say the same thing: "package org.apache.commons.fileupload ...

83. getting the uploaded filename for downloading    coderanch.com

Hi, am uploading a file, and after its uploading, the link will go for downloading. Here it is getting the file name as "null" instead of uploaded filename. can you please tell me how the parameters of multi-part/formdata are stored. please i stuck with this from 2 days. thanks indu [ September 04, 2008: Message edited by: Bear Bibeault ]

84. Problem in uploading file    coderanch.com

Thanks guys for the reply.. and sorry for the obscure post... The problem has been solved. There was tablespace constraint, after the DBA resolved it the problem dissappeared. @Norm I have no clue about your first question. By some characters i meant UploadControllercc943ada @Martijn I did read the HowToAskQuestions guidelines.Thanks for the link. Hope this post is more clear. Thanks -Rohit ...

85. Upload and Download a file    coderanch.com

86. How does upload multiple files work    coderanch.com

Hi, I've an application where the user upload multiple files at the same time, all this through the use of apache's fileupload, HTML DOM and iframe submits (there's one html form per file to be uploaded, and one iframe per html form). I decided to feedback the user with the upload progress, so I implemented ProgressListener, set a progress listener within ...

87. get file upload progress for multiple files    coderanch.com

Hi, I've a working application where the user upload multiple files at the same time, all this through the use of apache's fileupload, HTML DOM and iframe submits (there's one html form per file to be uploaded, and one iframe per html form... in fact I NEED it this way). I decided to feedback the user with the upload progress, so ...

88. upload a file    coderanch.com

89. File upload    coderanch.com

90. Problem in file uploading    coderanch.com

Hi, I am uploading a file into D drive,once I uploaded a file,for the 2nd time I checking a condition, whether that file exists in that directory or not? If it does not ,then upload the file.If it exists then display a message saying "The file already exists". My problem is when I try to upload the existing file,it does not ...

91. uploading a file programmatically    coderanch.com

Hi, we need to upload a file to a website regularly. This website has a login, password and then a button to browse the file and a upload button to upload the file. Have been doing this manually till now, is it possible have a program that could upload the file to the website? Thanks, - Gayatri

92. file upload using java    coderanch.com

93. upload and download file to any machine in a n/w    coderanch.com

i need a code snippet that can read any file in a network, and the make changes to that file. this file could be any file. the code that i have written functions only when the particular directory is shared in the network. in clear words a need a utility that can read a file from one of the client m/c ...

95. file upload functionality in Java    coderanch.com

96. uploaded file size    coderanch.com

There might be a tomcat setting for limiting this but it seems easier to limit the upload size in your app. It is likely that you have a loop that is reading bytes from the incoming stream. You can just keep a sum of the size you've read so far and then throw an error if the size is greater than ...

97. Upload Download File    coderanch.com

Upload form


Upload servlet protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter out = response.getWriter(); out.println("Uploading your file. Please wait..."); String saveFile = ""; String contentType = request.getContentType(); if ((contentType != null) && (contentType.indexOf("multipart/form-data") >= 0)) { DataInputStream in = new ...

98. Need help in File upload    coderanch.com

99. To know about File Upload    coderanch.com

Whether you are creating pages with JSP, Servlets, php, or Fred's Fabulous Framework, it's all HTML by the time it gets to the browser. And in HTML, images are referenced with the tag. You can;t just blurt image data out into a page and expect the browser to know what to do with it -- it needs the tag ...

100. How to upload a file from local machine to remote machine    coderanch.com

HI can any one tell me that how to upload a file from local machine(c:\demo\demo.txt) to remote machine (suppose in remote directory i want to save that in \\172.43.23.12\demo\) here i am facing a problem..in creating url..i have to create a url for uploading a file to remote location..so how do i create url and how do i save it in ...