Reliable file upload using JDev, AS and other

Hello,
I'm not sure this is the right place to post this message, sorry if I was wrong to put it here.
The question is our company is developing software, for active data exchange with other systems. We decided to exchange in xml format, by means of both web services and web interface (so that exchange could happen both automatically and on user request). We use JDev to develop, Oracle AS to deploy application. Systems we exchange can use various platforms, in fact, it doesn't matter what exactly they use. The question is we need a reliable way to exchange large (sometimes small, but can be 1Gb or, for example, 10Gb) files, maybe with appropriate security, so that it could continue if something happens with network connection.
One simple decision is to have a web service that accepts, for example, 100K at a time, and another service continuously calls it until file is transfered. So it can check response code. But are there better decisions? I think, there are libraries or smth like this?
Thanks in advance, believe, it's a right place to get help.
Valeriy

Another, simpler (we think), such package is Jenkov HTTP Multipart File Upload. It's a servlet filter which can work in front of both servlets and JSP's. The servlet filter parses the uploaded file and stores it temporarily on the servers disk. When the servlet or JSP executes afterwards, it can obtain all the information about the file, from the request attributes. There is a decent manual for HTTP Multipart File Upload on the website.
Just search for "Jenkov HTTP Multipart" on Google and you'll find it. HTTP Multipart is free, open source, Apache Licsense.

Similar Messages

URGENT.........File Upload using Servlets and jsp

I am a new servlet programmer.......
iam using tomcat server......
can any one pls help in writing code for file upload using servlets and jsp without using multipart class or any other class like that....
Please URGENT..

Slow down! "Urgent" is from your perspective alone. I, myself, am not troubled or worried in the least.
hi ugniss
thanks for ur reply....sorry i was not
y i was not asked not to use multipart class or any
other class like that...is there any other
possibility to do file uploading from jsp to
servlet...
Just as an aside, a JSP is a Servlet. But even if I move beyond that, the question does not make sense. If you want a "JSP to upload to a Servlet", then simply do so in memory. You are still (likely) within the same scope of a given request. However, if instead you are referring to a JSP that is displayed on a browser, then really you are talking about HTML, which is what the browser will receive. And since you are now talking about a browser, your only real, viable option is a multi-part file upload. So, it is either server or it is browser. And either way, the question leads to very established options, as outlined above.
the main concept is.. in the browser the user selects
a particular file and clicks the button upload..after
clicking upload the jsp should sent the file to the
servlet in streams...there the servlet gets in and
saves in a server location........this is wat i hav
to do...
Okay. So, after reading my previous (redundant) paragraph, we have arrived at the crux of the issue. You have a JSP that will be output as HTML to a client (browser) which you want to upload content to your server (handled by a Servlet). So, you are now stuck again with multi-part. The requirement to not use multi-part is non-sensical. You can overcome it, say, if you write your own applet or standalone Swing client. However, if your users are invoking this functionality from a browser, you are limited by the options that W3C has provided you. Use multi-part.
is there aby possibilty to do this.....can any one
pls help....Take the advice to download and review Jakarta Commons FileUpload. Inform your management that their requirement makes no technical sense. Research on your own. There are dozens of examples (and tutorials) on file upload using multi-part. Embrace it. Live it. Love it.
- Saish

File Upload in BSP Applications and store in Application server

Hi we have requirement to store the attachments from BSP application into the external/internal storage space connected to application server.
I search for weblogs and all talking about <a href="http://help.sap.com/saphelp_me21sp2/helpdata/en/eb/8c683c8de8a969e10000000a114084/content.htm">File Upload in BSP Applications and store in MIME Repository</a>.
But our requirement is upload and store(no need to read the file content) attachments from BSP page into file server, and then make a link back in BSP page to open.
I know we can handle documnets in R/3 using DMS, but our system is SRM.
Please give a suggestion and solution.
Thanks,
Giri

Hi,
I faced a similar problem some time ago (uploading a file via BSP, storing it to the application server and then linking the archived document to a business object.
Here is the coding I used:
when 'SubmitUploadFile'. "OnInputProcessing
    DATA: data_fileupload TYPE REF TO CL_HTMLB_FILEUPLOAD,
          l_filename type string,
          l_archiv_doc_id type SAPB-SAPADOKID,
          l_content type string,
          l_file_ixos(100) type c value '/transfer/PV2/aus/IXOS/',
          l_file(200) type c,
          tbl_bin TYPE STANDARD TABLE OF tbl1024,
          wa_bin type TBL1024,
          l_xstring type xstring,
          l_arc_doc_id type SAPB-SAPADOKID,
          l_doctype type TOADD-DOC_TYPE,
          l_filename_e type DRAW-FILEP.
upload the file from the BSP web interface (e.g. file C:TempSUTestPDF_SU.pdf)
    data_fileupload ?= CL_HTMLB_MANAGER=>GET_DATA(
                                       request = runtime->server->request
                                       name    = 'fileUpload'
                                       id      = InputFieldFileUpload
    IF NOT data_fileupload IS INITIAL.
      l_filename         = data_fileupload->file_name.
      l_content      = data_fileupload->file_content.
      l_content_type = data_fileupload->file_content_type.
    ENDIF.
The uploaded file is returned as XSTRING, so we have to convert it to BINARY
(or STRING alternatively)!
    l_xstring = l_content.
    CALL FUNCTION 'SCMS_XSTRING_TO_BINARY'
      EXPORTING
        BUFFER          = l_xstring
        APPEND_TO_TABLE = 'X'
      TABLES
        BINARY_TAB      = tbl_bin.
split path for storing the file to the application server
    l_filename_c = l_filename.
    CALL FUNCTION 'CV120_SPLIT_PATH'
      EXPORTING
        PF_PATH = l_filename_c
      IMPORTING
        PFX_FILE = l_filename_e.
write the uploaded file to the application server
    l_filename = l_filename_e.
    concatenate l_file_ixos l_filename into l_file.
    open dataset l_file for output IN LEGACY BINARY MODE.
    loop at tbl_bin into wa_bin.
      transfer wa_bin-line to l_file.
    endloop.
    close dataset l_file.
store the uploaded file on the IXOS-archive
    l_doctype = l_content_type.
    CALL FUNCTION 'ARCHIVOBJECT_CREATE_FILE'
      EXPORTING
        ARCHIV_ID                = '2T'
        DOCUMENT_TYPE            = l_doctype
        PATH                     = l_file_arc
      IMPORTING
        ARCHIV_DOC_ID            = l_arc_doc_id
      EXCEPTIONS
        ERROR_ARCHIV             = 1
        ERROR_COMMUNICATIONTABLE = 2
        ERROR_UPLOAD             = 3
        ERROR_KERNEL             = 4
        OTHERS                   = 5.
link the archived document to the business object DRAW
    CALL FUNCTION 'ARCHIV_CONNECTION_INSERT'
      EXPORTING
        ARCHIV_ID                   = '2T'
        ARC_DOC_ID                  = l_arc_doc_id
        AR_OBJECT                   = 'DRW'
        OBJECT_ID                   = g_object_id_arc
        SAP_OBJECT                  = 'DRAW'
       DOC_TYPE                    = l_extend
     EXCEPTIONS
       ERROR_CONNECTIONTABLE       = 1
       OTHERS                      = 2.
Remark: It´s vital to convert the uploaded file from XSTRING to BINARY. Otherwise the file cannot be stored/archived properly.
The archived document can then be displayed by inserting the (IXOS-web client-)link to the BSP page (e.g. http://193.228.208.78:4060/archive.dll/get?arc=2T&doc=44439F1B4F701E65E1000000C1E4D00A).
Hope this helps!
Regards,
Ulli

File uploads using jQuery with jquery.fileupload.js fails in Firefox over SSL

Please see the link below where I originally posted the question.
http://stackoverflow.com/questions/27792614/file-uploads-using-jquery-with-jquery-fileupload-js-fails-in-firefox-over-ssl

Thanks. In my estimation that is exactly the issue. But that doesn't help with a resolution.
The actual file size: 945,991 bytes
If Firefox is miscalculating the length (in Safari/Chrome 945991 and 946241 in Firefox), then Firefox is reporting erroneously and should be raised as a bug in Firefox, would you agree?

File Upload using Flex/ColdFusion. 2044 error

I am looking for a little more clarity around the file upload using Flex and Cold Fusion. When I run this using my server I get Error #2044: Unhandled IOErrorEvent:. text=Error #2038: File I/O Error.
I did create a regular cfform and had it use my ColdFusion upload form and that worked fine, so I feel good about the upload form. I am starting to think there is a permission error with the Flash Player writing to the folder. When this is ran, it will show the file being 100% loaded but the complete event is never triggered. I put alerts to see where it hits and 100 does show at the same time as my error message. The complete alert never shows. I also put an alert in my cfm page and it never reaches that page to hit it. Whether I use an absolute URL or relative path. I have also tried the urlrequestmethod.post and nothing changed. Thanks in advance. BTW. I am using Flex 3.
This is my mxml file
<?xml version="1.0" encoding="utf-8"?>
<mx:Application
xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:example="com.example.*" horizontalAlign="center" viewSourceURL="srcview/index.html">
<mx:Script>
<![CDATA[
import com.example.FileDownload
import mx.controls.Label
import com.example.FileUpload]]>
</mx:Script>
<mx:Label id="title" text="File I/O Example" fontSize="24" fontStyle="bold" />
<mx:Text id="subtitle" text="From Programming ActionScript 3.0, Chapter 22: Networking and communication" width="100%" textAlign="center" fontSize="12" /><example:FileDownload
id="fileDownload" creationComplete="fileDownload.init(downloadProgress, cancelDownload);" />
<example:FileUpload id="fileUpload" creationComplete="fileUpload.init(uploadProgress, cancelUpload);" />
<mx:HBox>
<mx:Panel title="Upload File" paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10">
<mx:ProgressBar id="uploadProgress" label="" mode="manual" />
<mx:ControlBar horizontalAlign="right">
<mx:Button id="startUpload" label="Upload..." click="fileUpload.startUpload();" />
<mx:Button id="cancelUpload" label="Cancel" click="fileUpload.cancelUpload();" enabled="false" />
</mx:ControlBar>
</mx:Panel>
<mx:Panel title="Download File" paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10">
<mx:ProgressBar id="downloadProgress" label="" mode="manual" />
<mx:ControlBar horizontalAlign="right">
<mx:Button id="startDownload" label="Download..." click="fileDownload.startDownload();" />
<mx:Button id="cancelDownload" label="Cancel" click="fileDownload.cancelDownload();" enabled="false" />
</mx:ControlBar>
</mx:Panel>
</mx:HBox></mx:Application>
here is my coldfusion upload script
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<script>alert('hello')</script>
<cfset currentPath = getCurrentTemplatePath()>
<cfset currentDirectory = getDirectoryFromPath(currentPath)>
<cfoutput>This directory is #currentDirectory#</cfoutput>
<cffile action="UPLOAD" filefield="Filefield" destination="#currentDirectory#" nameconflict="OVERWRITE"/>
</body>
</html>
here is the package
package
com.example { import flash.events.*;
import flash.net.FileReference;
import flash.net.URLRequest;
import flash.net.URLRequestMethod;
import mx.controls.Button;
import mx.controls.ProgressBar;
import mx.core.UIComponent;
import mx.controls.Alert;
public class FileUpload extends UIComponent {
// Hard-code the URL of the remote upload script.
private const UPLOAD_URL:String = "upload_script.cfm";
private var fr:FileReference;
// Define reference to the upload ProgressBar component.
private var pb:ProgressBar;
// Define reference to the "Cancel" button which will immediately stop the upload in progress.
private var btn:Button;
public function FileUpload() {}
/*** Set references to the components, and add listeners for the SELECT,
* OPEN, PROGRESS, and COMPLETE events.
public function init(pb:ProgressBar, btn:Button):void {
// Set up the references to the progress bar and cancel button, which are passed from the calling script.
this.pb = pb;
this.btn = btn;
fr =
new FileReference();fr.addEventListener(Event.SELECT, selectHandler);
fr.addEventListener(Event.OPEN, openHandler);
fr.addEventListener(ProgressEvent.PROGRESS, progressHandler);
// fr.addEventListener(Event.COMPLETE, completeHandler);
/*** Immediately cancel the upload in progress and disable the cancel button.
public function cancelUpload():void {fr.cancel();
pb.label =
"UPLOAD CANCELLED";btn.enabled =
false;}
/*** Launch the browse dialog box which allows the user to select a file to upload to the server.
public function startUpload():void {fr.browse();
/*** Begin uploading the file specified in the UPLOAD_URL constant.
private function selectHandler(event:Event):void {
var request:URLRequest = new URLRequest(UPLOAD_URL);
/* request.url = UPLOAD_URL*/request.method = URLRequestMethod.POST;
try
{fr.upload(request);
}catch (error:Error){
trace
("error uploading")}
/*** When the OPEN event has dispatched, change the progress bar's label
* and enable the "Cancel" button, which allows the user to abort the
* upload operation.
private function openHandler(event:Event):void {pb.label =
"UPLOADING";btn.enabled =
true;}
/*** While the file is uploading, update the progress bar's status and label.
private function progressHandler(event:ProgressEvent):void {pb.label =
"UPLOADING %3%%";pb.setProgress(event.bytesLoaded, event.bytesTotal);
if(event.bytesLoaded==event.bytesTotal){
trace(Event.COMPLETE)Alert.show(
"100")}
/*** Once the upload has completed, change the progress bar's label and
* disable the "Cancel" button since the upload is already completed.
private function completeHandler(event:Event):void {Alert.show(
"in function")pb.label =
"UPLOADING COMPLETE";pb.setProgress(0, 100);
btn.enabled =
false;}

Presumably you need to add a result handler to your request.

File uploads using servlets to oracle8i database

Hi,
Help please, How I can a File Upload using BLOB's into the oracle database, any sugestions...
Thanks
Moacyr
[email protected]

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I'm having problem with my BB 9860. It appears that my phone is connected to Wifi but when I tried to use the Browser and other apps, it's says "Unable to Connect on the Internet".
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Hi,
This is my first post and I hope that I post it at the right place.
I'm trying to upload a file using commons-upload-file and tomcat 5.5.
Is there a way to prevent submitting a big file, If I detect that the file being uploaded exceed a limit that I have fixed ?
i.e. I check the request length, if it's bigger than 1meg I cancel the whole thing and the big file is not transferred.
The problem that I get at the moment is that it seems that the file is transferred even if I close request inputstream or response outputstream. Any help would be appreciated !
Thank you
Redgy

Well here is a snippet of my code:
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
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But whatever I do, It seems that there is still a connection between my browser and tomcat.. any clue ?
thanks
Edited by: redgyx on Jan 31, 2008 6:17 AM

File upload using uiXML and Struts

Hi,
I am using Struts as my controller component with uiXML for the UI. I need to add file upload functionality to one of my pages. After a bit of trial-and-error, I figured out that the following code in my uiXML sets me in the right direction -
<struts:form name="myForm" method="post" beanName="myFormBean" usesUpload="true" destination="/try/SaveTry.do">
When the "destination" attribute is not specified, the Struts action does not get the file. However, with the changes above, the uploaded file now reaches my Struts action, which does the necessary processing and the Struts controller forwards the control to the next page according to its logic.
However, at this point, I see the following on the browser -
java.io.EOFException
at oracle.cabo.share.util.MultipartFormHandler._readLine(MultipartFormHandler.java:207)
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     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:810)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:220)
     at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
     at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
     at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
     at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
     at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:810)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
     at java.lang.Thread.run(Thread.java:534)
I tried to specify my own file upload manager (which does nothing) and also tried to subclass the UIXPageBroker to return false in shouldHandleUploadFile() and null in decodeMultipartRequest(), all to no avail.
Could somebody please let me know if I am missing something? Why is the AbstractPageBroker still kicking in after my file upload has been processed?
Thanks in advance,
Smarto

Thanks Kennethkawamoto2, now i knew the reason, but still i am getting error for crossdomain.xml , when moving flash on production.
I am putting it as below,
Security.loadPolicyFile('xmlsocket://ipaddress:80/crossdomain.xml');
can anybody help?
much appreciated,
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File upload use pl/sql with OAS 4082 and 8i/EE

is there any way to upload/download files (any format) from web browser use FORM and above env. Don't mention samples in OAS document, it simply doesn't work. thanks.

806675 wrote:
I probably wrong but I interpret this as POST is not supported, http://download.oracle.com/docs/cd/E11882_01/appdev.112/e16659/xdb22pro.htm#ADXDB5550, "Supported HTTP(S) Client Methods"
It says:
"+The semantics of these HTTP(S) methods is in accordance with WebDAV. Servlets and *Web services may support additional HTTP(S) methods*, such as POST.+" (my emphasis - so yes, it is supported).
Today we are using an Appserver with HTTP mod_plsql, the code for the form looks like:
htp.formopen (
curl => 'FileUpload',
cmethod => 'POST',
cenctype => 'multipart/form-data');
the "FileUpload" takes care of the file and inserts it in the dbThe question is how does it do it? A file upload via mod_plsql/EPG is done via the PLSQL document table. It, mod_plsql/EPG, takes cares of the actual upload part - reading the Mime stream of the upload from the browser and inserting it into the document table.
Unfortunately, seems that the 11g documentation lacks details in this regard. Please consult the Oracle® HTTP Server mod_plsql User's Guide (10g).
<li>section 1.7.1 describes the format of the upload table you need to define
<li>section 1.7.4 shows a sample HTML form doing a HTTP post, and the post-process upload PL/SQL procedure that needs to be written to process the contents of the row just created for the uploaded file in the document table

Reliable file upload using JDev, AS and other

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