Problem saving JSP as CSV
Hi,
I have a JSP which dynamically generates XML based on certain criteria. This XML is then transformed using XSLTs. Basically, the XSLTs are using the XML data to generate different kinds of Reports.
I need to put in a "Save as CSV" functionality. Normally, I would use a download servlet but in this case, the data that the JSP is writing (XML) is not what I want. What I want to save is what is being displayed on the browser (after the XSL transformation).
Any suggestions how this could be done?
So you are doing the XSL transformation in the
browser? I do the XSLT transformation server-side in a
Filter, and I set the content type of the response to
the appropriate one for CSV.yes, i am doing the XSL transformation in the browser. i cant change the existing setup, so i cant do it on the server side. but i managed a work-around which is:
* display the transformed page and display a "Save as CSV" link
* on click of the link, use JavaScript DOM to collect all the data needed for the download
* call a download servlet to output this data
not very elegant, but will do until i come across a better way :)
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Using Excel 14.3.7 to create a text file, for saving as a .csv file. Problems with commas.
I have created a text file in Excel, to be saved as a .csv file and uploaded to an online database. The file is rejected. When I open it in textedit I can see that the empty cells ( of which there are several in each row, all in the same columns) contain commas. It looked to me as though this could be the result of tabbing across empty cells. So I created a dummy file with a couple of lines where I tabbed across the whole row including the empty cells, and a couple of lines where I clicked in each individual cell in which I wanted to enter text. Opened in textedit there is no difference between the two type of entry. What can I do to stop Excel or .csv format entering commas in blank cells? Suggestions in simple English appreciated.
http://answers.microsoft.com/en-us/mac/forum/macexcel?tab=QnA
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How to saving data in csv file
I have problem with saving data in csv file. I would like save my data look
like this example :
excel preview :
A B C
1 10 11 12
2 13 14 15
As we see all values are in separate cell A1=10, B1=11, C1=12 ...
so I try :
PrintWriter wy = new PrintWriter(new FileWriter("test.csv"));
values[0][0]="10";
values[0][1]="11";
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OutputStream out;
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csvp.changeDelimiter('\t');
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I
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Problem Saving Gererating GIF Image
Hello, we are having a problem in production environment when try to right mouse and select Print on an mii grid. Works just fine in all of our non-production environments. Checked the System Security pull downs and they all matched non-prod. Was not sure which one to compare, was not a ImageStorageServlet on pull down menu.
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Having a problem saving the graphics on a canvas.
I'm having a problem saving graphics on a canvas. It draws on the canvas but when another window comes up the graphics disappear. I put in a method to take the graphics on the canvas and repaint it with the graphics. But this comes up blank. So I don't know why this is happening. It is probably the paint method but I don't know why. If anyone has any ideas could you please respond because I have had this problem for ages now and it's driving me mad and I have to get this finished or I'm going to be a lot of trouble. I'll show you the code for the class I am concerned with. It is long but most of it can be disregarded. The only parts which are relevent are the paint method and where the drawline e.t.c are called which is in the mouse release
package com.project.CSSE4;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.ImageFilter;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.io.*;
import java.util.*;
import java.net.*;
import javax.swing.*;
import java.sql.*;
public class CanvasOnly extends JPanel
implements MouseListener, MouseMotionListener
public static final int line = 1;
public static final int freehand = 2;
public static final int text = 3;
public static final int mode_paint = 0;
public static final int mode_xor = 1;
public Color drawColor;
public int drawThickness = 1;
public int drawType = 0;
public boolean fill = false;
private boolean dragging = false;
public int oldx = 0;
public int oldy = 0;
private int rectangleWidth;
private int rectangleHeight;
private tempLine draftLine;
private tempText draftText;
public Canvas pad;
public static final Font defaultFont =
new Font("Helvetica", Font.BOLD, 14);
protected boolean floatingText = false;
boolean showingPicture;
protected Image offScreen;
public JTextArea coor;
public JButton writeIn;
Connection connection;
String codeLine;
int x = 0;
int y = 0;
public CanvasOnly()
try
Class.forName("com.mysql.jdbc.Driver").newInstance();
}catch( Exception e)
System.err.println("Unable to find and load driver");
System.exit(1);
pad = new Canvas();
pad.setBackground(Color.white);
pad.setVisible(true);
pad.setSize(400, 400);
coor = new JTextArea(15, 15);
writeIn = new JButton("load TExt");
writeIn.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent event1)
try
Statement statement = connection.createStatement();
ResultSet rs = statement.executeQuery("SELECT * FROM submit WHERE file_name = 'cmd.java'");
rs.next();
String one1 = rs.getString("student_id");
//System.out.println("one1 :" + one1);
String two1 = rs.getString("file_name");
//System.out.println("two1 : " + two1);
InputStream textStream = rs.getAsciiStream("file");
BufferedReader textReader = new BufferedReader(
new InputStreamReader(textStream));
codeLine = textReader.readLine();
x = 0;
y = -12;
while(codeLine != null)
y = y + 12;
//fileText.append( line + "\n");
//canvasPad.drawTheString(line, x, y);
drawText(Color.black, x, y, codeLine, mode_paint);
codeLine = textReader.readLine();
textReader.close();
pad.setSize(400, y);
Timestamp three1 = rs.getTimestamp("ts");
//System.out.println(three1);
textReader.close();
rs.close();
}catch (SQLException e)
System.err.println(e);
catch(IOException ioX)
System.err.println(ioX);
//setSize(300,300);
drawColor = Color.black;
pad.addMouseListener(this);
pad.addMouseMotionListener(this);
offScreen = null;
public Image getContents()
// Returns the contents of the canvas as an Image. Only returns
// the portion which is actually showing on the screen
// If the thing showing on the canvas is a picture, just send back
// the picture
if (showingPicture)
return (offScreen);
ImageFilter filter =
new CropImageFilter(0, 0, getWidth(), getHeight());
Image newImage =
createImage(new FilteredImageSource(offScreen.getSource(),
filter));
return(newImage);
public void setImage(Image theImage)
// Fit it to the canvas
offScreen = theImage;
repaint();
showingPicture = true;
synchronized public void paint(Graphics g)
int width = 0;
int height = 0;
//The images are stored on an off screen buffer.
//offScreen is the image declared at top
if (offScreen != null)
//intislise the widt and heigth depending on if showingpicture is true
if (!showingPicture)
width = offScreen.getWidth(this);
height = offScreen.getHeight(this);
//width = getWidth(this);
//height = getHeight(this); //offScreen
else
//width = pad.getSize().width;
//height = getSize().height;
width = pad.getWidth();
//width = getSize().width;
height = pad.getHeight();
//height = getSize().height;
//Draws as much of the specified image as has already
//been scaled to fit inside the specified rectangle
//The "this" is An asynchronous update interface for receiving
//notifications about Image information as the Image is constructed
//This is causing problems
g.drawImage(offScreen, 0, 0, width, height, pad);
g.dispose();
//clear the canvas with this method
synchronized public void clear()
// The maximum size of the usable drawing canvas, for now, will be
// 1024x768
offScreen = createImage(1024, 768);
//Creates an off-screen drawable image to be used for double buffering
pad.setBackground(Color.white);
//Set the showingPicture to false for paint method
showingPicture = false;
repaint();
synchronized public void drawLine(Color color, int startx, int starty,
int endx, int endy, int thickness,
int mode)
int dx, dy;
Graphics g1 = pad.getGraphics();
Graphics g2;
//if image is not intialised to null
//the getGraphics is used for freehand drawing
//Image.getGraphics() is often used for double buffering by rendering
//into an offscreen buffer.
if (offScreen != null)
g2 = offScreen.getGraphics();
else
g2 = g1;
//mode is put into the method and XOR is final and equal to 1
if (mode == this.mode_xor)
//calls the setXOR mode for g1 and g2
//Sets the paint mode of this graphics context to alternate
//between this graphics context's current color and the
//new specified color.
g1.setXORMode(Color.white);//This will
g2.setXORMode(Color.white);
else
//Sets this graphics context's current color to the
//specified color
g1.setColor(color);
g2.setColor(color);
if (endx > startx)
dx = (endx - startx);
else
dx = (startx - endx);
if (endy > starty)
dy = (endy - starty);
else
dy = (starty - endy);
if (dx >= dy)
starty -= (thickness / 2);
endy -= (thickness / 2);
else
startx -= (thickness / 2);
endx -= (thickness / 2);
for (int count = 0; count < thickness; count ++)
g1.drawLine(startx, starty, endx, endy);
g2.drawLine(startx, starty, endx, endy);
if (dx >= dy)
{ starty++; endy++; }
else
{ startx++; endx++; }
//Disposes of this graphics context and releases any system
//resources that it is using.
g1.dispose();
g2.dispose();
//This method is not causing trouble
synchronized public void drawText(Color color, int x, int y,
String text, int mode)
Graphics g1 = pad.getGraphics();
Graphics g2;
if (offScreen != null)
g2 = offScreen.getGraphics();
else
g2 = g1;
if (mode == this.mode_xor)
g1.setXORMode(Color.white);
g2.setXORMode(Color.white);
else
g1.setColor(color);
g2.setColor(color);
g1.setFont(new Font("Times Roman", Font.PLAIN, 10));
g2.setFont(new Font("Times Roman", Font.PLAIN, 10));
g1.drawString(text, x, y);
g2.drawString(text, x, y);
g1.dispose();
g2.dispose();
//connect to database
public void connectToDB()
try
connection = DriverManager.getConnection(
"jdbc:mysql://localhost/submissions?user=root&password=football");
//may have to load in a username and password
//code "?user=spider&password=spider"
}catch(SQLException connectException)
System.out.println("Unable to connect to db");
System.exit(1);
//use this method to instatiate connectToDB method
public void init()
connectToDB();
protected void floatText(String text)
draftText = new tempText(this.drawColor,
this.oldx,
this.oldy,
text);
this.floatingText = true;
//nothing happens when the mouse is clicked
public void mouseClicked(MouseEvent e)
//When the mouse cursor enters the canvas make it the two
//straigth lines type
public void mouseEntered(MouseEvent e)
pad.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR));
//When mouse exits canvas set to default type
public void mouseExited(MouseEvent E)
pad.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
//used for creating the shapes and positioning thetext
public void mousePressed(MouseEvent e)
// Save the coordinates of the mouse being pressed
oldx = e.getX();
oldy = e.getY();
// If we are doing lines, rectangles, or ovals, we will show
// draft lines to suggest the final shape of the object
//Draw type is a publc int which can be changed
if (drawType == this.line)
draftLine = new tempLine(drawColor, oldx, oldy, oldx,
oldy, drawThickness);
// Set the draw mode to XOR and draw it.
drawLine(draftLine.color, draftLine.startx,
draftLine.starty, draftLine.endx,
draftLine.endy, drawThickness, this.mode_xor);
//mouse listener for when the mouse button is released
public void mouseReleased(MouseEvent e)
if (drawType == this.line)
// Erase the draft line
drawLine(draftLine.color, draftLine.startx, draftLine.starty,
draftLine.endx, draftLine.endy, drawThickness,
this.mode_xor);
// Add the real line to the canvas
//When the imput changes to "mode_paint" it is drawen
//on the canvas
drawLine(drawColor, oldx, oldy, e.getX(), e.getY(),
drawThickness, this.mode_paint);
dragging = false;
else if (drawType == this.text)
if (floatingText)
// The user wants to place the text (s)he created.
// Erase the old draft text
drawText(drawColor, draftText.x, draftText.y,
draftText.text, this.mode_xor);
String str = Integer.toString(e.getX());
String str1 = Integer.toString(e.getY());
coor.append(str + " " + str1 + "\n");
// Set the new coordinates
draftText.x = e.getX();
draftText.y = e.getY();
// Draw the permanent text
drawText(drawColor, draftText.x, draftText.y,
draftText.text, this.mode_paint);
floatingText = false;
public void mouseDragged(MouseEvent e)
if (drawType == this.freehand)
drawLine(drawColor, oldx, oldy, e.getX(), e.getY(),
drawThickness, this.mode_paint);
oldx = e.getX();
oldy = e.getY();
else
dragging = true;
if (drawType == this.line)
// Erase the old draft line
drawLine(draftLine.color, draftLine.startx, draftLine.starty,
draftLine.endx, draftLine.endy, drawThickness,
this.mode_xor);
// Draw the new draft line
draftLine.endx = e.getX();
draftLine.endy = e.getY();
drawLine(draftLine.color, draftLine.startx, draftLine.starty,
draftLine.endx, draftLine.endy, drawThickness,
this.mode_xor);
public void mouseMoved(MouseEvent e)
if (floatingText)
// When the user has entered some text to place on the
// canvas, it remains sticky with the cursor until another
// click is entered to place it.
// Erase the old draft text
drawText(drawColor, draftText.x, draftText.y,
draftText.text, this.mode_xor);
// Set the new coordinates
draftText.x = e.getX();
draftText.y = e.getY();
// Draw the new floating text
drawText(drawColor, draftText.x, draftText.y,
draftText.text, this.mode_xor);
//declare a class for the line shown before the is as wanted
class tempLine
public Color color;
public int startx;
public int starty;
public int endx;
public int endy;
public int thickness;
public tempLine(Color mycolor, int mystartx, int mystarty,
int myendx, int myendy, int mythickness)
color = mycolor;
startx = mystartx;
starty = mystarty;
endx = myendx;
endy = myendy;
thickness = mythickness;
class tempText
public Color color;
public int x;
public int y;
public String text;
public tempText(Color mycolor, int myx, int myy, String mytext)
color = mycolor;
x = myx;
y = myy;
text = mytext;
}http://www.java2s.com/ExampleCode/2D-Graphics/DemonstratingUseoftheImageIOLibrary.htm
-
Hello everyone,
I'm currently having a problem saving a Pages document as another format, such as a Word document or PDF file. I've never had this problem before with Pages. Please help me! I need to have this completed a.s.a.p.
Thanks,
AmyTo save as a PDF, you do that from Print
To save as Wrod format, you export
Allan -
I used to be able to save bookmarks in Firefox. Now when I save a bookmark there is an error message that Google is having a problem saving the bookmark. Does this mean saving to Google or Firefox? When I look roe the saved bookmark it is Google.
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The only place the file could be considered "in use" or "left open" would be due to Bridge.
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I have been using Bridge to preview and select the images I want to edit for a very long time. But this problem didn't start showing up until a short time ago, so I wonder about a problem introduced with an update?? Those who use Bridge know that it remains running in the background while the image is processed through Camera RAW and PS. There has never been a reason to close Bridge when working in PS and it is not very convenient to do so just to save a file.
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Thanks,Hi Jimcarke,
My problem is very similar. Just Upgraded to CS5 from CS4.
Graphic files, no problem. I can save 80Mb and 30 layered mixed graphic files, even after editing.
No JPEG's in the stack though. Perhaps I'll have a look at that!
With simple JPEG's at 1.9mb, after editing, then as soon as I enter 'Save As,' Bingo the great blank screen'
Problem seems worse if I get as far as rotating the image, then everything disappears instantly.
Customer services have suggested all the usual remedies and now I can't open a file or edit anything
I'm back to the insufficient RAM issue.
I've just 'given up' and back to CS4 again and will try to get some work done for the morning.
All good fun and an interesting way to spend a very sunny Sunday afternoon. (GB)
Regards
John -
There was a problem saving your PowerPivot Document
Version Information:
Microsoft Office Professional Plus 2013
Microsoft Office PowerPivot for Excel 2013
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============================
Error Message:
============================
Object reference not set to an instance of an object.
============================
Call Stack:
============================
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Problem in jsp with container(JEUS)
Hi I am a developer in Korea
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Before ten hours?.... No problem with the jsp pages
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so any help from you will be appreciated...
thanksMr. Ahmed,
Excuse-me by my bad english.
I experienced the same problem when surrounded my scripts with comment caracters:
<!--
< SCRIPT ...
-->
If this is your case, simply uncomment it and the script will work fine. -
Intermittent problem saving a pdf form
I have created a 17 page PDF form in LiveCycle Es with many dynamic features, such as adding or subtracting more lines to a table. The whole document is about 700KB ( 800 after being partially filled in) in size. I put fillable password protection on it and ran it thru Adobe Extension, checking Basic Fill-in and Final.
Most users are happy with it except two people are having problems saving it to their computer. Both downloaded it from Firefox to their computers, then opened it and began typing. Sometimes they are able to save their work and other times not. One was able to do a Save As and rename it, but that didn't even work for the other. One was getting an error message saying to the effect that the volume for the file was externally altered and cannot be saved.
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Any ideas of what could be causing this?I think have a similar question as you answered here. But I want to just make sure I am understanding your response.
I have created a PDF form in LiveCycle and saved it as an Adobe Static PDF form. When I supply this form to my users. The only way they can fill it out and save it is they must have Adode ACROBAT. The free Adobe Reader will not allow a user to fill out the form and then save it electronically. They can only fill out the form in Reader and then print it out. Is this correct?
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Problem saving attachments with longish filenames
We're having a problem saving attachments from Mail that are 25+ characters in length. ie. If we click on the "Save" attachment button in Mail, we get an alert that the file can't be saved because it's too long. We can drag the file to the desktop, but then can't move it without getting the "name is too long" alert. We have to change the name, deleting a bunch of characters. Using HFS+. Anyone have a solution?
When you drag the attachment to the desktop you should be able to click on the file's name then edit it so it's less then 25 characters. Try saving it again after deleting some characters.
We just switched from OS 9.4 to OS 10.4 (Intel) and found that Photoshop did not recognize any of the pics in our folders because we haven't been saving them with the file extension (i.e. jpeg, eps, etc.) We had to open all our pic files then add the extension. Apparently our old Macs could recognize a photo file but our new ones need the extension to be able to read the file. So if your file name is too long it's probably cutting off the extension - your computer won't let you save it until you make room for the file extension at the end.
Hope this helps.
Intel Mac Pro Mac OS X (10.4.7) -
I have problems saving pdf files in the web when I use Safari. I don't have this problem with firefox.
do they save ok if Safari - Preferences - Security - Allow all other plug-ins is unchecked ?
If so, likely an adobe or other pdf plugin
Re-check the setting above & quit any browsers,
Look in this folder by triple-clicking the line below, then ctrl-clicking it & choosing Services - Open
/Library/Internet Plug-Ins/
remove anything with pdf in the filename & test again
Sometimes, plug-ins can be in the User Library folder :
~/Library/Internet Plug-Ins/ -
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Hi, All !
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<wfmklist:items>
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I am sorry that I don't have any positive suggestions other than to use a
URL object to come back in an execute the necessary "include" directly. You
lose all context (other than session) and that can cause its own problems.
However, you can generally get the URL approach to work, and you will
hopefully avoid further frustration.
Peace,
Cameron Purdy
Tangosol, Inc.
http://www.tangosol.com
Tangosol: How Weblogic applications are customized
"Denis" <[email protected]> wrote in message
news:[email protected]...
> Hi, All !
> I have a problem using <jsp:include> from inside a custom tag. Exception
is:
> "java.lang.ClassCastException: weblogic.servlet.jsp.BodyContentImpl"
>
> Apparently, weblogic tries to cast BodyContentImpl to JspWriterImpl and
> could not do this. Is it a bug, since in the 1.1 spec is said: "The
> BodyContent is a subclass of JspWriter that can be used to process body
> evaluations so they can retrieved later on."
>
> My code is:
> ...
> <wfmklist:items>
> <jsp:include page="item.jsp" flush="true"/>
> </wfmklist:items>
> ...
-
Urgent Solution needed--Problem in JSP compilation with JDK 1.5 and JDK 1.6
Hi,
I m using JDK 1.5 and Tomcat 5.0 the problem is that after starting server when I m going to access my application at that time instead of displaying HomePage it directly display the blank page on screen.
After analyzing tomcat log I have found that there was a problem with JSP page compilation.
The exception logged in Tomcat Log is given below
An error occurred at line: 1 in the generated java file
The type Collection is not generic; it cannot be parameterized with arguments <? extends E>
Stacktrace:
* at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)*
* at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)*
* at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:423)*
* at org.apache.jasper.compiler.Compiler.compile(Compiler.java:308)*
* at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)*
* at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)*
* at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)*
* at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)*
* at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)*
* at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)*
* at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)*
* at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)*
* at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)*
* at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)*
* at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:447)*
* at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)*
* at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)*
* at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:424)*
* at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:343)*
* at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:144)*
* at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)*
* at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)*
* at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)*
* at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)*
* at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)*
* at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)*
* at java.lang.Thread.run(Thread.java:619)*
After getting this kind of error I have analyzed my code furhter then I came to know that there was problem with static include tag.
In my jsp page I have used following line which is the main cause of error
<%@ include file="top.jsp" %>If I ommit this line then it is working properly.
Instead of static include I have used jsp:include also.
Still I m getting same problem.
We have to migrated from JDK 1.5 to 1.6 and Tomcat 5.0.28 to 6.0.14, still same problem is there.
We have tried a lot but didnt get success to overcome this problem.
If anybody having any solution then ur each reply will be appreciated.
Thanks in advance..........!!!!!!!
Edited by: JBOSS2000 on Jan 15, 2008 9:29 AMHi "mshanu" and "amit" Thanks for ur replies Here I m posting the code of "top.jsp"........!!!!
<%@ page errorPage="errordisplay.jsp"%>
<table cellpadding="0"
cellspacing="0" height=50 width=780>
<tbody>
<tr class="header">
<td class="logo"><IMG SRC="assets/Logo.gif" BORDER=0 ALIGN=top></td>
<td align="right"><span class="applicationtitle"><%@ include file="/contents/logo.htm" %></span><br>
<span class="companyname"><%@ include file="/contents/companyname.htm" %></span></td>
</tr>
</tbody>
</table>To include top.jsp I have tried
<jsp:include page="top.jsp" flush="true">
</jsp:include>
AND
<%@ include file="top.jsp"%>but none of this worked.
If I remove the include then It is working properly.
But I need inluded file too so that I am wondoring for the solution.
This problem seems very wiered to me. I dont know why it is happening.
This problem is started only when I used the TOMCAT 6.14.
Is it the bug of TOMCAT 6.14 or What somebody Plz help.
I got stuck here.........!!!!!!!!!!
It doesn't seem any problem with top.jsp. As per my thinking the problem is there in include due to that it doesn't compile the JSP page in Tomcat 6.0.
Earlier I am having same code running on the Tomcat 5.0.28 and JDK 1.5.0.
But problem occured when I have used Tomcat 6.x...!!
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