REPALCE() function issue. String getting truncated.

Hi,
I am using ORACLE DATABASE 11g. I am facing a very strange problem. I have a string in an variable when i print that sting i can see that the string is correct but after applying a replace function on to it when i print the string the string is incomplete.
Details are as follows :- In the code i am getting some DDL statement (alter table ) , this is the difference between the 2 compared tables. Then I want to place ';' at the last of each line and keyword 'BEGIN' at start and 'END;' at the last. I tried to do this with replace() function but the output string is shot than needed. Please follow the code :-
     dbms_output.put_line('V_TAB_DIFF_ALTER:=' || V_TAB_DIFF_ALTER); -- Print the original string. Variable datatype used varchar2(32767)/CLOB
     dbms_output.put_line('SOURCE Size := '||Length(V_TAB_DIFF_ALTER)); -- Size of the original string.
      V_TAB_DIFF_ALTER_REP :=V_TAB_DIFF_ALTER; -- Placed the sting in new variable.
      V_TAB_DIFF_ALTER_REP := 'BEGIN '||replace(V_TAB_DIFF_ALTER_REP,CHR(10),';') || ' END;'; -- Used the replace function and concatenate string.
     -- EXECUTE IMMEDIATE V_TAB_DIFF_ALTER_REP;
dbms_output.put_line('After replace := '||V_TAB_DIFF_ALTER_REP); -- Now again printing the sting but this time its not proper.The output is as follows :-
V_TAB_DIFF_ALTER:=ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("BENEFICIARY_ACCOUNT_ID" VARCHAR2(32))
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("HAS_OFFSET_ACCOUNT" CHAR(1) DEFAULT 'N')
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("MARKET_ENTITY" VARCHAR2(40))
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("FUTURE_PREVIOUS_STATUS" VARCHAR2(50))
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("PREVIOUS_STATUS" VARCHAR2(50))
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("FUTURE_AS_OF_COUNTER" NUMBER)
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("FUTURE_AS_OF_DATE" DATE)
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("STMT_CYCLE_DAY" NUMBER)
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("PREVENT_EXCESS_FLAG" CHAR(1))
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("TEMP_EXCESS_START_DATE" DATE)
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("TEMP_EXCESS_EXPIRY_DATE" DATE)
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("TEMP_EXCESS_SANCTIONED_AMT" NUMBER)
SOURCE Size := 1830 -- Length of original string.
After replace := BEGIN ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("BENEFICIARY_ACCOUNT_ID" VARCHAR2(32));
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("HAS_OFFSET_ACCOUNT" CHAR(1) DEFAULT 'N');
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("MARKET_ENTITY" VARCHAR2(40));
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("FUTURE_PREVIOUS_STATUS" VARCHAR2(50));
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("PREVIOUS_STATUS" VARCHAR2(50));
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("FUTURE_AS_OF_COUNTER" NUMBER);
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("FUTURE_AS_OF_DATE" DATE);
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("STMT_CYCLE_DAY" NUMBER);
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("PREVENT_EXCESS_FLAG" CHAR(1));
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("TEMP_EXCESS_START_DATE" DATE);
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("TEMP_EXCESS_EXPIRY_DATE" DATE);
ALTER TABLE "NGPR2ST"."FLX_DD_ACCOUNTS_B" ADD ("TEMP_EXCESS_SANCTIONE                ------ Here the remaining string is missing.
NEW Var. Length :- 1862 -- Length of the new string but still the printed string is not the perfect one. It only prints 1830 characters, rest are not printed.
{code}
Here you can see that the sting in after replace in actually short and will give error when trying to execute. As you can also see that length of new string is more i.e. 1862 but its reading and writing only 1830 characters => which is the actual size of original string.
Variable datatypes used varchar2(32767) and CLOB. Faced issues in both the cases.
Its very obvious that when i am trying to replace a few things then I can add a bit more to it. Why is it only reading or writing only the 1830 character string not the whole 1862 string ??? How can i get the size as 1862 but not the whole string ??
Let me know any solution on this ...
Thanks in advance.
Edited by: VIRU on Nov 17, 2011 10:24 PM

Thanks William for your reply.
I have tried with increasing the buffer size by
exec dnms_output.enable(40000000);but still no improvements.
I was able to successful print long strings than this one but when it comes to format it with replace i am facing this scenario.
Let me know if you have any idea.

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File 1:
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.Properties;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.hwpf.*;
import org.apache.poi.hwpf.extractor.*;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PRTokeniser;
import com.lowagie.text.pdf.PdfReader;
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               HttpURLConnection httpConn = (HttpURLConnection) connection;
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               httpConn.setRequestProperty("Content-Length", String
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               httpConn.setRequestProperty("Content-Type",
                         "application/x-www-form-urlencoded");
               httpConn.setRequestMethod("POST");
               httpConn.setDoOutput(true);
               httpConn.setDoInput(true);
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               out.write(requestXML, 0, requestXML.length);
               out.close();
               InputStreamReader isr = new InputStreamReader(httpConn
                         .getInputStream());
               BufferedReader br = new BufferedReader(isr);
               String temp;
               String tempResponse = "";
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                    tempResponse = tempResponse + temp;
               responseXML = tempResponse;
               br.close();
               isr.close();
          } catch (java.net.MalformedURLException e) {
               System.out
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          } catch (Exception e) {
               System.out.println("Error in postRequest(): " + e.getMessage());
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               if (value == null) {
                    value = "";
               value = value.replace("<", "<");
               value = value.replace(">", ">");
               value = value.replace("&", "&");
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               System.out.println("hello");
               testdoc.getSummary("C:\\working_folder\\vep\\UnitTestCases\\VEP1.0\\DocumentSummarizerTestData\\TestErrorFour.doc","100%");
Note: Use any doc with special char(ex: &, $, <, >,.....) TestErrorFour.doc
File 2:
---------public class Base64Utils {
private static byte[] mBase64EncMap, mBase64DecMap;
* Class initializer. Initializes the Base64 alphabet (specified in RFC-2045).
static {
byte[] base64Map = {
(byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F',
(byte)'G', (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L',
(byte)'M', (byte)'N', (byte)'O', (byte)'P', (byte)'Q', (byte)'R',
(byte)'S', (byte)'T', (byte)'U', (byte)'V', (byte)'W', (byte)'X',
(byte)'Y', (byte)'Z',
(byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f',
(byte)'g', (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l',
(byte)'m', (byte)'n', (byte)'o', (byte)'p', (byte)'q', (byte)'r',
(byte)'s', (byte)'t', (byte)'u', (byte)'v', (byte)'w', (byte)'x',
(byte)'y', (byte)'z',
(byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5',
(byte)'6', (byte)'7', (byte)'8', (byte)'9', (byte)'+', (byte)'/'};
mBase64EncMap = base64Map;
mBase64DecMap = new byte[128];
for (int i=0; i<mBase64EncMap.length; i++)
mBase64DecMap[mBase64EncMap[i]] = (byte) i;
* This class isn't meant to be instantiated.
private Base64Utils() {
* Encodes the given byte[] using the Base64-encoding,
* as specified in RFC-2045 (Section 6.8).
* @param aData the data to be encoded
* @return the Base64-encoded <var>aData</var>
* @exception IllegalArgumentException if NULL or empty array is passed
public static String base64Encode(byte[] aData) {
if ((aData == null) || (aData.length == 0))
throw new IllegalArgumentException("Can not encode NULL or empty byte array.");
byte encodedBuf[] = new byte[((aData.length+2)/3)*4];
// 3-byte to 4-byte conversion
int srcIndex, destIndex;
for (srcIndex=0, destIndex=0; srcIndex < aData.length-2; srcIndex += 3) {
encodedBuf[destIndex++] = mBase64EncMap[(aData[srcIndex] >>> 2) & 077];
encodedBuf[destIndex++] = mBase64EncMap[(aData[srcIndex+1] >>> 4) & 017 |
(aData[srcIndex] << 4) & 077];
encodedBuf[destIndex++] = mBase64EncMap[(aData[srcIndex+2] >>> 6) & 003 |
(aData[srcIndex+1] << 2) & 077];
encodedBuf[destIndex++] = mBase64EncMap[aData[srcIndex+2] & 077];
// Convert the last 1 or 2 bytes
if (srcIndex < aData.length) {
encodedBuf[destIndex++] = mBase64EncMap[(aData[srcIndex] >>> 2) & 077];
if (srcIndex < aData.length-1) {
encodedBuf[destIndex++] = mBase64EncMap[(aData[srcIndex+1] >>> 4) & 017 |
(aData[srcIndex] << 4) & 077];
encodedBuf[destIndex++] = mBase64EncMap[(aData[srcIndex+1] << 2) & 077];
else {
encodedBuf[destIndex++] = mBase64EncMap[(aData[srcIndex] << 4) & 077];
// Add padding to the end of encoded data
while (destIndex < encodedBuf.length) {
encodedBuf[destIndex] = (byte) '=';
destIndex++;
String result = new String(encodedBuf);
return result;
* Decodes the given Base64-encoded data,
* as specified in RFC-2045 (Section 6.8).
* @param aData the Base64-encoded aData.
* @return the decoded <var>aData</var>.
* @exception IllegalArgumentException if NULL or empty data is passed
public static byte[] base64Decode(String aData) {
if ((aData == null) || (aData.length() == 0))
throw new IllegalArgumentException("Can not decode NULL or empty string.");
byte[] data = aData.getBytes();
// Skip padding from the end of encoded data
int tail = data.length;
while (data[tail-1] == '=')
tail--;
byte decodedBuf[] = new byte[tail - data.length/4];
// ASCII-printable to 0-63 conversion
for (int i = 0; i < data.length; i++)
data[i] = mBase64DecMap[data[i]];
// 4-byte to 3-byte conversion
int srcIndex, destIndex;
for (srcIndex = 0, destIndex=0; destIndex < decodedBuf.length-2;
srcIndex += 4, destIndex += 3) {
decodedBuf[destIndex] = (byte) ( ((data[srcIndex] << 2) & 255) |
((data[srcIndex+1] >>> 4) & 003) );
decodedBuf[destIndex+1] = (byte) ( ((data[srcIndex+1] << 4) & 255) |
((data[srcIndex+2] >>> 2) & 017) );
decodedBuf[destIndex+2] = (byte) ( ((data[srcIndex+2] << 6) & 255) |
(data[srcIndex+3] & 077) );
// Handle last 1 or 2 bytes
if (destIndex < decodedBuf.length)
decodedBuf[destIndex] = (byte) ( ((data[srcIndex] << 2) & 255) |
((data[srcIndex+1] >>> 4) & 003) );
if (++destIndex < decodedBuf.length)
decodedBuf[destIndex] = (byte) ( ((data[srcIndex+1] << 4) & 255) |
((data[srcIndex+2] >>> 2) & 017) );
return decodedBuf;
issue 2: Exception when passing 2MB .txt file
Steps to reproduce:
Call getSummary() with 2MB .txt file
Actual:
The following exception has occured:
1. Error in postRequest(): Unexpected end of file from server
java.lang.NullPointerException
Please provide your precious feedback/suggestions.
Thanks in advance…..
Edited by: EJP on 15/03/2011 16:52: added code tags. Please use them. Code is unreadable otherwise.

Thanks for your response….
This is enhancement project and some one develops long back.
Regarding point (b) You should be using the java.net.URLEncoder to encode URL parameters, not a base64 encoder.
DocumentSummarizerClient.java I am using base64
Ex:
// String encoded =new String (summaryInputData.getBytes("ISO-8859-1"),"UTF-8");
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Above specific please I need to modify to resolve above issue.
Could you please suggest me what changes I need to do.
Waiting for positive response.

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Hi, I am facing an issue which I find baffling and hope experts out there can help me.
I am using a Treo 680 unlocked version running Palm OS Garnet v.5.4.9
Few months back, I upgraded my laptop from Windows XP to Windows 7 (both are 32 bit). I reinstalled Palm Desktop version 4.2 and it seemed to be apparently working, and I was very happy about it (quick install was not working but I was ok with it). However, on closer examination, I noticed that long memos were significantly truncated on the Palm Desktop. This is a serious problem as my memos on the device are not fully reproduced on the laptop. Hence, if my device were to be lost or broken, I would have all the memos in my backup but many of them would be truncated and not complete. Also, I am unable to "copy paste" the latter part of a long memo into an email or word document.
I have only used one way synchronisation (ie from device to laptop) ever since I moved to Windows 7 because of long duration between backups and previous experience where 2 way syncronisation resulted in corruption of data on my device. Fortunately I discovered this problem before I did my first 2 way syncronisation as this may result in my memos on the device becoming truncated as well.
If someone could help here, I would be really grateful.
PS: some background info:
I have been on Palm platform right from 1996 with the Palm Pilot 5000, and then Treo 180 and then having been using Treo 680 for the last seven years and still going strong !
I know from my earlier experience that:
- earlier devices and earlier Palm Desktop versions had a much smaller length limit per memo
- in between, there was a situation where the device had a much bigger length limit per memo than the Palm Desktop at that time (i believe version 2 or version 4.1.4), and a long memo in the device would be split into multiple memos on the Palm Desktop with a sequential number added eg abc 1, abc 2, abc 3 etc
But since I went on Treo 680 and Palm Desktop ver 4.2 on a Windows XP 32bit laptop, I have had no such problem. It is only when I upgraded my laptop to Windows 7 32 bit, that I am having this problem. I find it baffling as I know that Palm Desktop ver 4.2 is capable of very long memos unlike some earlier version of Palm Desktop.
Thanks very much in advance
Regards

Unfortunately I don't have an answer for why your Memos get truncated in Palm Desktop in a Windows 7 machine. I hvae Palm Desktop 6.2.2 on a Windows 7 and Windows 8 desktops and do not have that problem with Memos. Maybe yours are much longer than mine. Does everything else seem to work OK (other than QuickInstall)?
You could try a couple of things...but the first thing I would do is get a backup of your data onto an SD card with the free app called NVBackup. Google it, download and install the nvbackup.prc file onto the Treo, then run a backup onto a card. It will save you the nightmare of having to recreate your data if it were to be lost or corrupted somehow. Now, the only thing you can do with that data from NVBackup is to restore it to the same or another (same) Palm device. But at least it is saved.
Next thing you could try, without risk to any data, is to just email your Memos to yourself from your phone. VersaMail lets you attach Memos to an email. They should come through as .txt files which you can copy and paste into anything else you like.
You could also try installing Palm desktop 6.2.2 and, if your complete Memos do not appear, try re-syncing your Treo to the new desktop installation.
smkranz
I am a volunteer, and not an HP employee.
Palm OS ∙ webOS ∙ Android

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