Display PDF File Which Is Stored In MySQL Database?

Apr 2, 2015

How to display pdf file which is stored in mysql database by using jsp and servlet ....

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Greek Characters Are Stored In MySQL Database

Oct 25, 2013

I did an application with jframe which i store member personal info like name, surname etc.But when i save it to Mysql database the values are ??????.I have changed database and table and columns collation to utf8, i checked java encoding it's utf-8 but the problem remains.i have spent hours in google search but nothing that works.

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JSF :: Upload File With Path Stored In Database?

May 20, 2014

I'm using jsf 2 to upload file, first I upload the file in a system directory, then trying to store the path to database with other information, my stuck is that when submitting I upload the file successfully, find it in the right place, find the other information such as description, file name ... in database but don't find the path. this is my managed bean :

package mbeans;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.List;

[code]...

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Connect Exe File To MySQL Database

Jul 22, 2014

I am having a problem to connect my .exe file to the database(mysql). I used launch4j to convert the jar file to .exe but the jar file can connect to the database when running inside the dist folder. When I run the .exe I am getting this error: No suitable driver found for jdbc:mysql.

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JSP :: Store A File / Image Into Oracle Database And Display On Browser?

Nov 2, 2014

I want to store an image/file into oracle database using jsp.

I have written code to store data when am running in my machine it is working fine, but not working in server throwing an error saying that "The system cannot find the file specified."

I am attaching the code what am written.

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Java Stored Procedure - Connecting To 8i Database

Sep 17, 2014

I am new to Java Stored Procedures. There is a PL/SQL package in our legacy application(Oracle 9i) which pulls data from Oracle 8i source database through a DB link. Now we have upgraded our databas to Oracle 11g R2 from 9i. So the DB lint to Oracle 8i will no longer work in 11g. Hence I have created a Java stored procedure that establishes JDBC thin connection to the source 8i database. I have loaded the java stored procedure in the database using loadjava and have created a call specifaction.

I have called this java stored procedure inside the PL/SQL package. Now while executing the PL/SQL package, it takes the default driver ojdbc6.jar to establish JDBC connection and fails to connect to the 8i database giving ArrayIndexOutOfBounds Exception. While running the code in the linux application server with classes12.jar the code succeeds. But when the same is called in the database it fails.
 
1.  How can I make my PL/SQL call use classes12.jar while calling the Java Stored Procedure?
 
2. How can I load the jar file(which includes my classes and the classes12.jar) into the datase as one object? (When I tried to load the whole jar, in database the classes and dependent jar loaded separately)
 
3. Is there a way to use classpath while calling the Java Stored Procedure like how we do from Unix?

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JSP / JSTL :: Image Resize Stored In Database (ORD Format)

Dec 26, 2012

I am using Oracle Database. My images are stored in database in ORD Image format.

ORD Image = > [URL] .....

I am fetching image and displaying in JSP.

I want to resize image stored in database.

I found Java Advanced Imgaing API and Looking for JSP implementation example.

[URL] ....

OrdHttpUploadFile uploadPhoto = null;
OracleResultSet ors=null;      
OracleCallableStatement ocstmt = null;
OrdImage ordImage=null;
OrdImage image=null;

[Code] ....

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Swing GUI With MySql Database?

Mar 10, 2014

I've got another project for a course and am stuck. I've debugged and tried to figure out where it is breaking, but I just can't find it. I've used this connection code block as well as the contstructors before, but this just won't work. I've got a tab that should send all of the information to a MySql database upon the click of 'Add Employee'. I've given my connection string, the addEmployee(); code, and if needed I can include the subclass code. I've got a superclass 'Employee' and a subclass 'Salaried' that uses four attributes from 'Employee'.

private void btnAddActionPerformed(java.awt.event.ActionEvent evt) {
addEmployee();
}
public void addEmployee() {
int socialSecurity = 0;
boolean error = false;

[code]....

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Download Image (stored As Blob) From Database To Client Machine?

Jul 2, 2014

We have web based application (Oracle DB, Weblogic middle tier) and a applet based application running on the browser.

We have a requirement to Load images from the database (stored as blob) to the client browser and the users can do the lookup on images when needed.

We need this to perform well, so there is no delay for the user experience. We have 2 options:

1. Load the images from the database to the Application Server and keep it. When the client request from the browser comes, download it from the application server.

2. Load the images (asynchronosly) when the user logs into the application and download them to the Client machine? Is this possible? Especially give that it is stored in the database as binary objects?
And then load for the user from the client box itself, upon request.

If 2nd option is possible, which once is recommended?

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Transferring Data To MySQL Database

Jul 27, 2014

try {
is = new FileInputStream(file);
data = new byte[(int) file.length()];
is.read(data);
String extension = "";
int i = file.getName().lastIndexOf('.');
if(i>0)

[Code] ....

Everything works except transferring the image file.

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JDBC Connectivity With MySQL Database

Apr 24, 2014

I created a database in mysql, but I have problems communicating with the DB in java.

Here is the error :

java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/books
at java.sql.DriverManager.getConnection(DriverManager.java:604)
at java.sql.DriverManager.getConnection(DriverManager.java:221)
at displayauthors.DisplayAuthors.main(DisplayAuthors.java:30)
java.lang.NullPointerException

[Code] ....
 
HERE IS THE CODE 

public class DisplayAuthors {   
// database URL                             
   static final String DATABASE_URL = "jdbc:mysql://localhost:3306/books";
   // launch the application
   public static void main( String args[] )

[Code] ....

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JDBC :: Storing Images To MySQL Database?

Mar 13, 2015

This question is not about syntax but a best way to handle something. What is the best way to store a image into a database? For example converting it into binary etc. I just wanted to get some opinions.

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Importing Excel Data Into MySQL Database Through Java?

Aug 3, 2014

import data from excel sheet into mysql database through a java program. How coding will be done in Core Java.

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Unable To Get Values From JTable And Insert Them In MySQL Database

Feb 7, 2014

i have a problem, im trying to get some values from a jtable (tabla) and insert them in a mysql database, so i scan the table for some values to know which of the rows i must insert ("s" or "n").

I'm able to insert few rows, but when the last row with "s" or "n" is inserted it launch me a NullPointerException and I dont know why.

public void insertar(JTable tabla, int rowt, int colt) throws ParseException{
String documento=null, cve_clie=null, fechaE=null, fechaR=null, check=null;
char d=' ',dd=' ',m=' ',mm=' ',y1=' ',y2=' ',y3=' ',y4=' ';
String chck = null;
try{
conexion = connMysql.mysql();
String squery="insert into consefact3 values (?,?,?,?,?)";
PreparedStatement pst = conexion.prepareStatement(squery);

[Code]...

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How To Connect MySQL Database For Java Desktop Application

Jan 21, 2015

I want to develop desktop application with mysql . How to connect mysql . Any sample project or examples to learn .

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Servlets :: Error Loading MySQL Database Table From JSP

Nov 5, 2014

I m new to programming and am working on the college project. I have MySQL 5.6.20, Eclipse Kepler and Apache Tomcat 7.0.54. I m trying to retrieve the whole table from MySQL schema into a jsp. All the possible things i can do, i have already tried, but none of them are working.

The following attachment contains the whole project. I have my sql connection code in Sample.java file, which i want to get working in Fetch.jsp on the Submit button click. But it shows the tomcat error as localhost:8080/Sample HTTP Status 404-/Sample ; type Status report; message /Sample; Description The requested resource is not available.

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">

[Code] ....

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How To Use Single Button To Insert And Update In Java While Using MySQL Database

Oct 29, 2014

I am developing my first Java application and the database I use is MySQL. I have created two separate buttons; one to insert new data into my database and the other to update the database when changes are made.

Each button is working perfectly, but I now want to combine both functions into just the save button. Thus, whether I am entering new data or modifying existing data, the save button should use an IF ELSE condition to decide whether to use the INSERT or UPDATE command.

My problem is, how do I write this IF ELSE statement? What should be the condition? For example;

IF(what? ){
  String sql ="Insert into Table1 (classID,className,counselorID,startDate,endDate) values (?,?,?,?,?)";
  }ELSE{
  String sql2 = "update Table1 set classID = '"+value1+"',className='"+value2+"',counselorID='"+value3+"',startDate='"+value4+"',endDate='"+value5+"'
where classID = '"+value1+"'";
}

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JSP :: Retrieve Blob Img From MySql And Display Using Servlet?

Nov 27, 2014

create table imagedb (usd varchar(255) , image blob , primary key (usd), foreign key (usd) references logindb(user) on update cascade on delete cascade)

Using JSP i am able to upload the file into the blob. But icant retrieve or display;

The HTML Tag :

<table style="margin: 0px; margin-top: 15px;">
<tr>
<td id="photo">
<img src="displayimage" />
</td>
</tr>

The Servlet

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Connection conn = null;
Statement stmt = null;
try {
conn = (Connection) DriverManager.getConnection(DB_URL, USER, PASS);
stmt = (Statement) conn.createStatement();
// constructs SQL statement
Class.forName("com.mysql.jdbc.Driver");
Scanner s = new Scanner(System.in);

[code].....

I am not getting the image.

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Connect To MySQL Database And Print Out Some Fields - Cannot Find JDBC Driver

Aug 17, 2014

I am trying to run a simple program that connects to a mysql database and prints out some fields. I am using Eclipse.

THe problem I am having is on the following line of code.

Class.forName("com.mysql.jdbc.Driver");

I get an error:

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)

[Code] ....

I have done some research and from what I have found is that I need to alter the class path to pick up the driver. When I downloaded the .msi I ran it and then the program closed. Where the files are ??? How to locate and import the file so I need to get my program to run?

I have included all the of the source code below.

package mySQLConnect;
import java.sql.*;
public class Connect {
// JDBC Driver name and database URL
static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
static final String BD_URL = "jdbc:mysql://localhost/sstbde";

[Code] .....

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Java Servlet :: Storing Images In Folder And Their Relative Paths In MySQL Database

Nov 16, 2012

I am developing an web application with servlets and jsp. I have an issue to store images. I am storing images in folder and their relative path's in mysql database.

When I retrieve path from database then using <IMG> tag i have displayed image like:

     out.println("<td><img src="+user.getPlaceImage()+" width='70' height='50' /></td>");

It is working fine with internet explorer but not working (that is Not displaying image) in chrome/mozilla.

How to display that image in all browsers....

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JSP :: Reading Data From MySQL Database And Displaying Results On Webpage - HTTP Status 500 Error

Feb 13, 2014

I have created a jsp file which does the simple task of reading data from a mysql database and displaying the results on a web page. Please see below:

<%@ page import="java.io.*,java.util.*,java.sql.*"%>
<%@ page import="javax.servlet.http.*,javax.servlet.*" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql"%>

[Code] ....

However, each time I run the jsp file in the browser with my localhost as server, I get an HTTP Status 500 error.

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See Occurrences Of A Character In A String Stored In Text File

Apr 26, 2014

I have this program to see the occurrences of a character in a string stored in a text file. My text file has the following contents (as shown below):

P-P-N-N-L-V
N-R-U-S-R-Q
K-Q-E-L-E-A
A-J-B-G-E-F
F-E-L-Q-R-R
U-F-J-V-I-M
P-I-Q-K-B-K
U-N-L-F-O-B
M-A-N-M-H-O
P-Q-J-D-N-I
G-U-O-D-F-I
Q-M-M-B-C-Q
N-B-I-L-E-J
S-A-T-Q-H-U
C-L-G-U-J-M
R-P-V-M-A-A
C-R-A-V-L-B
M-U-Q-K-M-Q
E-I-C-H-V-J
J-N-N-K-R-P

As you notice, each character is seperated by a hyphen (serving as its delimiter). I want to only go through 10 lines in the text, instead of all 20 of them. So, I wrote the program in such a way that I intend to reach into the indices of each character in the text file. Since there are six characters in each line so that means there are 6 indices - and there are 10 lines I only want to go through. So, 6 indices times 10 lines equals 60 indices. Hence, there are only 60 indices I need to go through. In that manner, it's like I have gone through only 10 lines through that way.

It compiled perfectly fine but upon running it, I ran through an error in the black DOS screen that says

"java.lang.ArrayIndexOutofBoundsException: 6 ".

How do I work around that?

The code I wrote is shown below...

import java.io.*;
import java.util.*;
public class hotandcoldclusterdeterminer_test {
public static void main (String args [])throws IOException {

[Code]....

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Unable To Write Text File With Information Stored

Jul 27, 2014

I am trying to write to a text file with information stored like this.

brick 500
stone 500

And so on. Here is the code I am using to write to the file.

switch(record){
case "brick":
x.format("%s%n", "brick " + value);
closeFile();
break;
case "log":
x.format("
%s%n", "log " + value);
closeFile();
break;

When I write like this, putting deletes the first line. What I can look into or other functions that would be useful?

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Property Files That Used To Configure The Application Can Be Stored In Jar File?

Dec 22, 2013

I already used properties file without problems for localizing information. In that case the property file was stored as a resource in a package; and I used the Class ResourceBundle to manage the operations and the ClassLoader to access to the file.

Actually I need to use property files “To save the configuration of the application”.In this case I need also to update information stored inside the file.property, and I used the same procedure as before to manage it (ClassLoader to get data- also for writing).

I had problems in this case: that the data was never modified inside the properties file. I investigate, and now I think that the problem comes from writing in the property file that is located in the .jar file. For what I know, it is impossible to change resources putted in the .jar files.

I found a solution: to store the properties files out the jar files; and in this way all is good. But it would be more comfortable to store inside.

My question is : if a file property used to “save the configuration of the application “ have to be put out of jar, or is there another way ??

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Retrieve Image From MySQL DB And Display In Jtable If Image Type Is Medium Blob Using Swings And Hibernate

Jan 5, 2015

I stored an image into MySQL database using swings and hibernate but I am struggling to retrieve that image from MySQL database and display same image in the jTable cell and same as on jLabel whatever I retrieve from the database using swings and hibernate .

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Program To See Occurrences Of A Character In String Stored In Text File

Apr 26, 2014

I have this program to see the occurrences of a character in a string stored in a text file. My text file has the following contents (as shown below):

Quote
P-P-N-N-L-V
N-R-U-S-R-Q
K-Q-E-L-E-A
A-J-B-G-E-F
F-E-L-Q-R-R
U-F-J-V-I-M
P-I-Q-K-B-K
U-N-L-F-O-B
M-A-N-M-H-O
P-Q-J-D-N-I
G-U-O-D-F-I
Q-M-M-B-C-Q
N-B-I-L-E-J
S-A-T-Q-H-U
C-L-G-U-J-M
R-P-V-M-A-A
C-R-A-V-L-B
M-U-Q-K-M-Q
E-I-C-H-V-J
J-N-N-K-R-P

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