Out of Memory Error bcoz of xml file size

Hi,
Help me to solve this out of memory error, if xml file size
is increased means
it is not displaying anything and displaying this out of
memory error.
Thanking you
Regards
Nirmalatha.N

You should avoid loading large sized XML files in your Flash
Lite application. There is a limit on incoming data, and anything
beyond that will give an error. My experience has been around 1000
characters in a single stream of incoming text.
A possible solution your memory problem is to use a middle
language like PHP, ASP etc, to stream a single XML data file in
parts to your Flash Lite application. This means you avoid loading
XML directly in Flash.
Mariam

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Hi,
I did try that initially. After executing the command I get this message.
C:\>java -Xms128M -Xmx256M
Usage: java [-options] class [args...]
(to execute a class)
or java -jar [-options] jarfile [args...]
(to execute a jar file)
where options include:
-cp -classpath <directories and zip/jar files separated by ;>
set search path for application classes and resources
-D<name>=<value>
set a system property
-verbose[:class|gc|jni]
enable verbose output
-version print product version and exit
-showversion print product version and continue
-? -help print this help message
-X print help on non-standard options
Thanks for your help.
RM

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Message was edited by:
SaipanMan2005

You should not keep a String array of all the lines of the file read.
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String fqfn = srcFileName;
String fname =
fqfn.substring(fqfn.lastIndexOf(File.separator)+1);
try
//importTable importer = jbInit.getImportTable();
// create the file to be uploaded and a connection to
servlet.
File fileToUpload = new File(fqfn);
long fileSize = fileToUpload.length();
// get last mod of this file.
// The last mod is sent to the servlet as a header.
long lastMod = fileToUpload.lastModified();
String strLastMod = String.valueOf(lastMod);
URL serverURL = new URL(webadminApplet.strServletURL);
URLConnection serverCon = serverURL.openConnection();
// a bunch of connection setup related things.
serverCon.setDoInput(true);
serverCon.setDoOutput(true);
// Don't use a cached version of URL connection.
serverCon.setUseCaches (false);
serverCon.setDefaultUseCaches (false);
// set headers and their values.
serverCon.setRequestProperty("Content-Type",
"application/octet-stream");
serverCon.setRequestProperty("Content-Length",
Long.toString(fileToUpload.length()));
serverCon.setRequestProperty(FILENAME_HEADER, destDir +
destFileName);
serverCon.setRequestProperty(FILELASTMOD_HEADER, strLastMod);
if (webadminApplet.DEBUG) System.out.println("Connection with
FTP server established");
// create file stream and write stream to write file data.
FileInputStream fis = new FileInputStream(fileToUpload);
OutputStream os = serverCon.getOutputStream();
try
// transfer the file in 4K chunks.
byte[] buffer = new byte[4096];
long byteCnt = 0;
//long percent = 0;
int newPercent = 0;
int oldPercent = 0;
while (true)
int bytes = fis.read(buffer);
byteCnt += bytes;
//11-21-02 :
//If itemID is greater than -1 this is an import file
transfer
//otherwise this is a header graphic file transfer.
if (itemID > -1)
newPercent = (int) ((double) byteCnt/ (double)
fileSize * 100.0);
int diff = newPercent - oldPercent;
if (newPercent == 0 || diff >= 20)
oldPercent = newPercent;
jbInit.getImportTable().displayFileTransferStatus
(itemID,
newPercent);
if (bytes < 0) break;
os.write(buffer, 0, bytes);
os.flush();
if (webadminApplet.DEBUG) System.out.println("No of bytes
sent: " + byteCnt);
finally
// close related streams.
os.close();
fis.close();
if (webadminApplet.DEBUG) System.out.println("File
Transmission complete");
// find out what the servlet has got to say in response.
BufferedReader reader = new BufferedReader(
new
InputStreamReader(serverCon.getInputStream()));
try
String line;
while ((line = reader.readLine()) != null)
if (webadminApplet.DEBUG) System.out.println(line);
finally
// close the reader stream from servlet.
reader.close();
} // end of the big try block.
catch (Exception e)
System.out.println("Exception during file transfer:\n" + e);
e.printStackTrace();
return("FTP failed. See Java Console for Errors.");
} // end of catch block.
return("File: " + fname + " successfully transferred.");
} // end of method transferFile().
} // end of class fileTransferClient
Server side code:
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.net.*;
// This servlet class acts as an FTP server to enable transfer of
files
// from client side.
public class FtpServerServlet extends HttpServlet
String ftpDir = "D:\\pub\\FTP\\";
private static final String FILENAME_HEADER = "fileName";
private static final String FILELASTMOD_HEADER = "fileLastMod";
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException,
IOException
doPost(req, resp);
public void doPost(HttpServletRequest req, HttpServletResponse
resp)
throws ServletException,
IOException
// ### for now enable overwrite by default.
boolean overwrite = true;
// get the fileName for this transmission.
String fileName = req.getHeader(FILENAME_HEADER);
// also get the last mod of this file.
String strLastMod = req.getHeader(FILELASTMOD_HEADER);
String message = "Filename: " + fileName + " saved
successfully.";
int status = HttpServletResponse.SC_OK;
System.out.println("fileName from client: " + fileName);
// if filename is not specified, complain.
if (fileName == null)
message = "Filename not specified";
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
else
// open the file stream for the file about to be transferred.
File uploadedFile = new File(fileName);
// check if file already exists - and overwrite if necessary.
if (uploadedFile.exists())
if (overwrite)
// delete the file.
uploadedFile.delete();
// ensure the directory is writable - and a new file may be
created.
if (!uploadedFile.createNewFile())
message = "Unable to create file on server. FTP failed.";
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
else
// get the necessary streams for file creation.
FileOutputStream fos = new FileOutputStream(uploadedFile);
InputStream is = req.getInputStream();
try
// create a buffer. 4K!
byte[] buffer = new byte[4096];
// read from input stream and write to file stream.
int byteCnt = 0;
while (true)
int bytes = is.read(buffer);
if (bytes < 0) break;
byteCnt += bytes;
// System.out.println(buffer);
fos.write(buffer, 0, bytes);
// flush the stream.
fos.flush();
} // end of try block.
finally
is.close();
fos.close();
// set last mod date for this file.
uploadedFile.setLastModified((new
Long(strLastMod)).longValue());
} // end of finally block.
} // end - the new file may be created on server.
} // end - we have a valid filename.
// set response headers.
resp.setContentType("text/plain");
resp.setStatus(status);
if (status != HttpServletResponse.SC_OK)
getServletContext().log("ERROR: " + message);
// get output stream.
PrintWriter out = resp.getWriter();
out.println(message);
} // end of doPost().
} // end of class FtpServerServlet

OK - the problem you describe is definitely what's giving you grief.
The workaround is to use a socket connection and send your own request headers, with the content length filled in. You may have to multi-part mime encode the stream on its way out as well (I'm not about that...).
You can use the following:
http://porsche.cis.udel.edu:8080/cis479/lectures/slides-04/slide-02.html
on your server to get a feel for the format that the request headers need to take.
- Kevin
I get the out of Memory Error on the client side. I
was told that this might be a bug in the URLConnection
class implementation that basically it wont know the
content length until all the data has been written to
the output stream, so it uses an in memory buffer to
store the data which basically causes memory issues..
do you think there might be a workaround of any kind..
or maybe a way that the buffer might be flushed after
a certain size of file has been uploaded.. ?? do you
have any ideas?

How can I solve out of memory error on excell file in PL/SQL

Hi,
I'm new on PL/SQL. One of the PL/SQL code which is created excell report got out of Memory error. The first reason of this error, excell file not supported more than 65536 data. So I change the excell file separeted sheets. So that the single sheet size cannot exceed 65536 data.
All the data are held on system cach and if many user want to take the report the they would get an out of memory error.
So I want to change the code like that; when out of memory exception raises,
the old excell file save to disk and new excell file is created,
and go on to write the new file without exiting the program.
At the end of the data all the excell file append and show only one file to the user.
I do know how to save the file and create a new file. But I don't know how can PL/SQL program to turn back to loop again when the exception occurs.
Is anyone help me on this issue?
Here is my code
Thank you
dworkbook:=hssfworkbook.new;
dCurrentItem := Get_Block_Property(pCurrentBlock, FIRST_ITEM);
while not (name_in('system.last_record')='TRUE') loop
/* The data would be written to the excell file column order. */
if (dRow=0) then
          /* Create a new sheet */
elsif (dRow <= dMaxWorksheetNum) then
     /* Data of the report are written here. The data are written in column order */
if (dRow > dMaxWorksheetNum) then
     /* give dRow and dColumn intial value */
/* increase worksheet number */
end if; /* End of if (dRow=1) */
if (isWritten) and not name_in('system.last_record')='TRUE'then
     /* if not at the end of the record and the previously read record is written to the file
     , then go to next record */
     next_record;
end if;
/* save excell report */
workbookwriter.save(dworkbook,global.gethome||dFileName);
web.show_document('/users/'||dFileName,'_BLANK');
/* when exceptions occurs */
EXCEPTION
WHEN ORA_JAVA.EXCEPTION_THROWN THEN
begin
     javaException := ORA_JAVA.LAST_EXCEPTION;
     -- Print out the Exception by using the toString()
     -- Method of the exception Object
     javaException2 := Exception_.new(javaException);
     mess(27002,Exception_.getMessage(javaException2));
     -- and clean up
     ORA_JAVA.CLEAR_EXCEPTION;
exception
     WHEN ORA_JAVA.JAVA_ERROR THEN
-- In this case, the error would be
-- Argument 1 can not be null
mess(27002,ORA_JAVA.LAST_ERROR);
--Clean up
ORA_JAVA.CLEAR_ERROR;
end;
WHEN ORA_JAVA.JAVA_ERROR THEN
-- In this case, the error would be
-- Argument 1 can not be null
message(ORA_JAVA.LAST_ERROR);
--Clean up
ORA_JAVA.CLEAR_ERROR;

No need to double-post... most questions are answered pretty quickly...

Spooling to Text File - 30 million records - Getting Out of Memory Error

Hi All,
I have an extremely large oracle table that I need to spool to a .txt file. The table has approximately 30 million records. I'm using Toad For Oracle version 10.5 and I'm on Oracle 10g. I've tried running the following spool command a few times and it keeps crashing...I'm getting a "Out of Memory" error in my Toad window when I execute it as a script. Here's the code:
Spool on
set heading off
SET PAGESIZE 0
SET TRIMSPOOL ON
SET LINESIZE 100
set feedback off
set echo off
set termout off
Spool "C:\spooledtext.txt"
select
column1
from test_table
order by
column2,
column1
Spool off;
An ideas as to how I can get this query to spool to a text file without crashing and running out of memory?
Thanks

use sqlplus.
Or select smaller chunks and use copy to concat them afterwards.
Sybrand Bakker
Senior Oracle DBA

Out of Memory Error bcoz of xml file size

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