JDBC :: Correct URL To Connect To Database Using IPC Protocol

Dec 19, 2014

What is correct url to connect to db with orcl SID using IPC protocol? Couldn't find this in documentation....
 
jdbc:oracle:oci:@[WHAT GOES HERE?]

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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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How To Connect To A Remote SQL Server Using JDBC Driver

Jan 15, 2015

I'm working on an application I made a few years ago. At that time I connected to a local database so my address was 'jdbc:mysql://localhost:3306/'. That database is long gone so I recreated it on one of my hosted servers but I'm a little unsure of how to connect to it. At the moment I'm trying "jdbc:mysql://www.mydomain.com:3306/" but it is giving me an access denied error.

java.sql.SQLException: Access denied for user 'myusername'@'c-[my-ip].hsd1.pa.comcast.net' (using password: YES)Every result on Google seems to use localhost so I'm having a little difficulty figuring out the correct format.

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Unable To Connect To Database

Dec 31, 2014

I have a vps set up to running a MySQL database already by zpanel but when I try to connect to the database with Java I am unable to connect and receive the message:

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server."

I have MySQL Connector(dev.mysql.com/downloads/connector/j) already added to my build and tried it with both the url and the ip. This is my connection code:

package net;
import java.sql.*;
import javax.swing.JOptionPane;
public class LoginDatabaseConnection {
Connection conn = null;

[Code] ....

The code is from youtube but when I connect to localhost it works fine however when I try to connect to the VPS the above error happens.

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How To Connect Sql Database To Java

Mar 23, 2014

i want o know that how can i connect my sql database to java

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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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Code To Connect HTML Page To Teradata Database?

Apr 17, 2015

I have designed a login page for my project....which has username and password box....I have created a Table in Teradata which has username and password information....now i need to connect this html login page to Teradata database to validate the username and password.

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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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JDBC :: How To Retrieve Just One Value From Database

Nov 25, 2014

I wish to retrieve just one value from db;
 
so I use this code:

@Transactional
    public long getSequenceSedeB(Long id) {
        BigDecimal seqValue = nu
        String sql = "SELECT MAX(ID) FROM SEDE_B_ALLEGATI_A WHERE ID_SEDE=:id";
        SQLQuery query = getSession().createSQLQuery(sql);

[Code] ....

But it do not works; this is the log.

type.NullableType (NullableType.java:182) - could not read column value from result set: ID; Invalid column name

2014-11-25 14:45:14,476 WARN  [btpool0-2] util.JDBCExceptionReporter (JDBCExceptionReporter.java:77) - SQL Error: 17006, SQLState: null
2014-11-25 14:45:14,478 ERROR [btpool0-2] util.JDBCExceptionReporter (JDBCExceptionReporter.java:78) - Invalid column name

 But in the database the query
 
SELECT MAX(ID) FROM SEDE_B_ALLEGATI_A WHERE ID_SEDE=:id
 
run correctly;
 
Also I need to rewrite the statement
   query.setParameter("id", 923);
in this way
   query.setParameter("id", AAA);
 
where AAA is gotten from out of the procedure;

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JDBC :: Restore Database In Java

Feb 26, 2015

I'm having problem with my code when it comes to Restore Database in Java. This is my code:

public boolean restoreDB(String dbUserName, String dbPassword, String source) {
String[] executeCmd = new String[]{"C:Program Files (x86)MySQLMySQL Server 5.1inmysqldump ", "--user=" + "root", "--password=" + "1234" + source};
Process runtimeProcess;
try {
runtimeProcess = Runtime.getRuntime().exec(executeCmd);
int processComplete = runtimeProcess.waitFor();

[Code] ....

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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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JDBC Delete Command Locking Database?

Aug 27, 2014

I have a problem where i cant seem to get this simple delete command working. Everytime i run it it just locks the database and crashes

The id parameter exists in the database the database is small. Only a few tables. update commands work completely fine.

The id is an in and resulting command is - DELETE from Employees where ID = 2;

public static void EmployeeDeleteByID(int idIn){
Connection c = null;
Statement stmt = null;
try {
c = Connect();
c.setAutoCommit(false);
System.out.println("Opened database successfully");

[code]....

Error after running : java.sql.SQLException: database is locked

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Trying To Add Database Driver (JDBC) - Not In CLASSPATH Warning?

Jun 23, 2015

This the output of java from my PC under linux platform (rhel 6.5).
 
[pentaho@vertica-srv1 Downloads]$ java -version
java version "1.7.0_79"
Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)
 
[Code] ....
 
But the problem is while trying to open ETL program under linux platform [pentaho@vertica-srv1 data-integration]$ ./spoon.sh .... I received the following error messages.
 
[pentaho@vertica-srv1 data-integration]$ ./spoon.sh
 
Trying to add database driver (JDBC): RmiJdbc.RJDriver - Warning, not in CLASSPATH?
Trying to add database driver (JDBC): jdbc.idbDriver - Warning, not in CLASSPATH?
Trying to add database driver (JDBC): org.gjt.mm.mysql.Driver - Warning, not in CLASSPATH?
Trying to add database driver (JDBC): com.mckoi.JDBCDriver - Warning, not in CLASSPATH?
[KnowledgeFlow] Loading properties and plugins...

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JDBC :: How To Add Database To NetBeans Project When Making Setup

Aug 21, 2014

I have completed an assignment for my university in which I had to make a Java NetBeans project. My project is now completed but now I have to make a setup of my NetBeans project and give the university the setup file, only.

My question is, the software I made has a database attached to it, meaning the purpose of the software is to be used with the database. Values must be saved in the database, deleted from the database etc.. I have used MySQL database connections with the JDBC driver

I have used exe4j to make the .exe file and Setup Factory to make the exe file and setup file respectively. Once I make the setup and run the setup, the application works, ON MY COMPUTER. The computer which made the software. But once I take it to a computer in which MySQL was not installed, the setup installed, but the software did not work.

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JDBC :: No Suitable Driver Found For Oracle Database Connection

Jul 10, 2015

I have small Java code, which execute every day and checks for data in database using Cronj Schedular and everything works fine, but recently I have observed that, it is failing due to
  
    java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:@160.110.xx.xxx:1521/test
 
At the same time, when I run my test code to check Database connectivity that works fine without above exception. I'm unable to figure it out. Although, there was just slight code change, but that was nowhere related to Database or Database connection.  
 
dbconf.java
    public class dbconf {
    private Connection connect;
    private String connstr;
    public Connection getConnection() throws SQLException {
    connstr = "jdbc:oracle:thin:@160.110.xx.xxx:1521/test";

[Code] .... 
 
Application Log file
 
    Wed Jul 01 09:25:17 IST 2015:------- Initializing -------------------
    Wed Jul 01 09:25:17 IST 2015:------- Scheduling Jobs ----------------
    Wed Jul 01 09:25:17 IST 2015:------- Job Started Running ----------------
    Thu Jul 02 06:00:00 IST 2015 : Job Executed..!! Bschedularv2.2
    java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:@160.xxx.67.xxx:1521/test
    Sat Jul 04 06:00:00 IST 2015 : Job Executed..!! Bschedularv2.2
    Sun Jul 05 06:00:00 IST 2015 : Job Executed..!! Bschedularv2.2
    java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:@160.xxx.67.xxx:1521/test
 
So, you can see, It failed on 3rd of July and 5th July as well. But, in between it ran fine.

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JDBC :: Uploading Template File Into Database Using SetBlob Or SetBinaryStream

Jun 1, 2015

I have a template file which I'm tring to upload into a database using setBlob or setBinaryStream but I'm getting the following error:
 
java.lang.AbstractMethodError: setBlob
  at weblogic.jdbc.wrapper.PreparedStatement.setBlob(PreparedStatement.java:1005)
  at com.capitalone.citrix.ssp.dao.KatetDaoImpl.uploadReport(KatetDaoImpl.java:1697)
  at com.capitalone.citrix.ssp.services.FileOpsImpl.generateDownload(FileOpsImpl.java:648)
  at com.capitalone.citrix.ssp.controller.JSONController.display(JSONController.java:61)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[Code] .....
 
I'm using :

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
Weblogic Server Versions: 10.3.0.0 with Java 1.6.0_05

The driver class name for the weblogic datasource: weblogic.jdbcx.oracle.OracleDataSource
 
Initially, I tried:
     
           sqlQuery = new StringBuffer();
                ps = null;
                sqlQuery.append("insert into KATET_REPORTS (FILE_DATA)");

[Code] ....
 
This failed, so I changed ps.setBlob(1,is)
to
ps.setBinaryStream(1,is). This failed as well with teh same error, just for setBinaryStream instead of setBlob.
 
Is there a known inconsistency between that driver and this Weblogic version? Is there something else going on? If I haven't given enough data to debug the issue here, what other data should I gather?

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JDBC :: Options Required For DB Schema Password Encryption - Connecting To Backend Database

Jul 9, 2015

We currently have an application which uses JDBC to connect to the backend database (DB version - 11.2.0.3 ). The application uses a properties file in which the password for the db schema is hardcoded in plain text format. Due to security restrictions we have been asked to make sure the password is encrypted in the file and no direct access is made to the schema using the plain text password. Best options we can use to make this password encrypted both at Oracle DB side and Java side.

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JDBC :: How To Call Parameterized Stored Procedure In Jdbc

May 17, 2014

calling a parameterized stored procedure in java jdbc from sql server.The stored procedure goes like this in sql

create proc patientreg
@id int
as
begin
select [patient_id],[Psurname], [pFirstname], [pMiddlename], [reg_date], [DOB], [Sex], [Phone_num], [Addr],[Email],[dbo].[fncomputeage](DOB) from [dbo].[Patient_registration] where [patient_id] = @id
end
please note dbo.fncompute(DOB) is a function

To call it in jdbc it goes like this

try{
String str = "{call patientreg(?)}";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbcdbc:GeneralHospit al");
cstmt = con.prepareCall(str);
cstmt.setInt(1, Integer.parseInt(t.getText()));

[code]....

after doing it this way it throwing an exception: Error:java.sql.SQLException: Parameter 1 is not an OUTPUT parameter.

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Rat And Maze Protocol

Apr 17, 2014

So far i've built an array of char W= wall, O=open, R= rat, and P= path

I have another class "RAT" which will navigate through the maze. so im having trouble with the method to get the position of the rat when it is navigating through maze. this is what i have.

public class FinalMaze {
static char[][] mazeArray = new char[][] {
{'o','o','o','o','o','o'},
{'o','w','w','r','w','o'},
{'o','w','p','p','w','o'},
{'o','w','p','w','w','o'},
{'o','w','p','p','w','o'},
{'o','w','w','p','w','o'},
{'o','w','w','p','w','o'},
{'o','o','o','o','o','o'},
};

[Code] .....

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File Transfer Protocol Implementation

Mar 19, 2013

I have to write a code for File Transfer Protocol! It says that I only need to write code for client, but it also says that I have to run the program and send some files to server. I guess than I also need server side as well. I have to write my own classes, I cannot import some existing classes. I have to connect to the server with password and username and after that send some files to the server. I don't know anything about FTP. Can i maybe do this by Sockets and ports? I worked something with that.

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Login To A Website Using HTTPS Protocol

Jun 10, 2014

i have this code to connect and login to a HTTPS website Now when i run it i get a 500 code error and if i print out the html of the website it says something went wrong. This is the website [URL]

And this is code

package main;
import java.io.BufferedReader;
import java.io.InputStreamReader;

[Code]....

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Mail Reading Functionality Is Not Working Properly Using POP3 Protocol

Mar 17, 2014

My Mail reading functionality is not working properly using POP3 protocol. Actually I can read the mail but the status is not changed as read.

Java Code:

public static void main(String arg[]) throws MessagingException, IOException{
String host = "pop.test.net";
String user = "test@beq.com";
String password = "abc10";
String protocol = "pop3";

[code]....

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Client And Server Class For UDP Protocol Sending Integer Numbers By Packets

Apr 21, 2014

I have to write a client and server class for a UDP protocol sending integer numbers by UDP packets. So far i have this;

Client Code:

import java.io.*;
import java.net.*;
class UDPClient {
public static void main(String args[]) throws Exception {
BufferedReader inFromUser =
new BufferedReader(new InputStreamReader(System.in));

[Code] ....

But i now need to change this so that:

The client;

1. Reads an integer from keyboard input and stores its value in a UDP packet.
// byte[] send = ByteBuffer.allocate(4).putInt(num).array(); ???

2. Sends the UDP packet to the server, on port number 1999;

3. Listens for UDP packets from the server (until it receives a packet with a non-positive number; see
step (b) below). While listening:

(a) Once it receives a UDP packet from the server, it subtracts 2 from the integer value num contained in it.
// int num = ByteBuffer.wrap(receive).getInt(); ???
(b) Checks the integer value num: if the value is greater than 0 (num>0) then the client stores it in a new UDP packet and sends the packet to the server; otherwise (num<=0) the client terminates.

The Server;

1. Listens on port 1999;

2. For each UDP packet it receives from a client:
(a) extracts the integer value n contained in it;
(b) decreases the value of n by 2;
(c) sends back to the client a UDP packet containing the new value of n.

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How To Connect With Sockets From Other PCs

Dec 26, 2014

I have just started learning about sockets and such... and i have created a chat program with a server and a client

server:

public class Server {
private static ServerSocket server;
private static Socket connection;
private static PrintWriter pw;
private static BufferedReader br;
private static JTextField textOutput;

[Code] ....

so, everything is working fine . There is only one thing i would like to do now: make it so that i can run the server from my computer and then others can run the client from theirs and we will be able to chat . So I tried:

In the client code on line 56 is says:

connection = new Socket("localhost",7777);

So I changed "localhost",7777 to "myip",7777)

But when i run the server on my computer and run the client on another computer i get this error:

java.net.ConnectException: Connection refused: connect

Why is the connection getting refused? is it for security reasons? so hackers cant connect to me or something? And is there a way to tell your computer to allow that client to connect?

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Getting TIE In Connect 4 Game?

Oct 20, 2014

I have compiled and coded the whole thing, but the TIE function when no one wins, isn't popping up. I'm not sure why but here is my code;

import java.applet.AudioClip;
import java.awt.*;
import javax.imageio.ImageIO;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;

[code]....

The TIE doesn't pop up, that is all the errors i have, though there is no error messages.

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