How to connect servlet to mysql database
Hi all,
I am new to mysql. After many difficulty I have created a database with table in MySql. Now I want to connct it to a servlet. How do I do it?
Can anyone tell me the steps, including the step to create MySql datasource
thanks
thanks for the reply. I know the basics of jdbc and can connect with sqlserver. Bt how to connect with Mysql? I mean what do I provide in dsn unless I create a MySql datasource. I cant find any tutorial which teaches how to create MySql datasource. Can you give me any link???
thanks
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Dear friends,
I am using Oracle SQL Developer 1.5.3 and I need to connect to a MySQL database located in another server.
I am trying to create a new connection, informing connection name, username and password. Supposing that "Hostname" is the IP server address, I click on "Choose database", but I always receive the following error message: "Status : Failure - Cannot connect to MySQL server".
Please tell me what I should do to solve this situation. Thanks in advance.
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Hii All..
I am also facing a problem.
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Hey guys......! I need to connect to a remote msaccess database in a lan and import its data into my mysql database.I know how to connect to a msaccess database using ODBC.But I don't know how to connect to a remote database without creating dsn in the machine where database is.One thing more...I want to know, how can I import data into my mysql database?? Is there any query for that or simply I have to select data from msaccess database and insert into tables of my database??Please, send me the source code in the forum itself and explain also.This is the last feature of my project.So I need to do it as soon as possible.
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Hello,
how can I connect to a non_oracle-database in "Oracle 9i".
I created a ODBC data source. In Oracle8 I needed OCA. But in 9i I believe the OCA is replaced by another thing.
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'db' to 'wwwroot' e.g. 'C:\CFusionMX\db\' is now
'C:\CFusionMX\wwwroot\
However I'm now back to my original problem. I've lost my
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JDBC URL: jdbc:mysql://localhost:3306/test
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Now these settings give me the following error:
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The root cause was that: java.sql.SQLException: SQLException
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username, password, URL, and other connectivity info"
Any suggestions on this would also be welcome.
Thanks again to everyone for their help.
Sincerely,
Graham A. Kerby -
How to connect Servlet to Oracle
so far i have see some example from internet on how to connect servlet with Oracle.. but i don't undertand the statement below
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can any expert please explain to me??
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connect servlet with Oracle.. but i don't undertand
the statement below
"jdbc:oracle:thin:@elab-unix4.bus.umich.edu:1521:elab"
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what is @elab-unix4.bus.umich.edu ?? elab is
database's name?jdbc:oracle: type driver
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:@elab-unix4.bus.umich.edu:1521:elab
IP Address of box where db resides:@elab-unix4.bus.umich.edu, port:1521, db instance: elab. -
Connecting to a Mysql database using CF Administrator and DW
I can't create a mysql datasource in CF Administrator.
If I use the following datasource settings in CF
Administrator:
JDBC URL: jdbc:mysql://localhost:3306/test
Drive Class: MySQL Connector J
AND (note the emphasis) I set my local and remote folders in
my DW site local folder, remote folder and testing server folders
all to C:\CFusionMX\db\, I can connect to my mysql database in CF
Administrator.
However, with these DW site folder settings, DW doesn't
recognize any databases (Access or Mysql) at all.
When I change my DW site folder settings to 'wwwroot'
(e.g.local folder C:\CFusionMX\db\' is changed to
'C:\CFusionMX\wwwroot') DW now lists all my CF Administrator
databases.
The problem is CF Administrator can't connect to my Mysql
data sources. It gives me the error:
"Connection verification failed for data source: javaserver
[]java.sql.SQLException: SQLException occurred in JDBCPool
while attempting to connect, please check your username, password,
URL, and other connectivity info.
The root cause was that: java.sql.SQLException: SQLException
occurred in JDBCPool while attempting to connect, please check your
username, password, URL, and other connectivity info"
I've tried changing the 3306 port to 8500, but this doesn't
help.
My java path and connector file is:
C:\CFusionMX\wwwroot\WEB-INF\lib\mysql-connector-java-3.0.17-ga-bin.jar,
Is this a ID/password problem? I've tried both 'root' and
leaving the ID field in the CF Administrator add data source block,
both to no avail. I don't have a password set in Mysql for 'root'
either.
Any help would be gratefully appreciated. I've been working
on this for weeks and keep running into one problem after another.
Thanks a million in advance.
Sincerely,
Graham A. Kerby1) ensure mysql server is running
2) there are numerous tutorials for mysql installation out
there
3) there are good free mysql admin tools out there
4) use both the above to verify your mysql installation is
correct
5) please tell me you do have your zonealarm DISABLED
hth
Azadi Saryev
Sabai-dee.com
http://www.sabai-dee.com -
Connecting to a Mysql database using a ColdFusion server
can't create a mysql datasource in CF Administrator.
If I use the following datasource settings in CF
Administrator:
JDBC URL: jdbc:mysql://localhost:3306/test
Drive Class: MySQL Connector J
AND (note the emphasis) I set my local and remote folders in
my DW site local folder, remote folder and testing server folders
all to C:\CFusionMX\db\, I can connect to my mysql database in CF
Administrator.
However, with these DW site folder settings, DW doesn't
recognize any databases (Access or Mysql) at all.
When I change my DW site folder settings to 'wwwroot'
(e.g.local folder C:\CFusionMX\db\' is changed to
'C:\CFusionMX\wwwroot') DW now lists all my CF Administrator
databases.
The problem is CF Administrator can't connect to my Mysql
data sources. It gives me the error:
"Connection verification failed for data source: javaserver
[]java.sql.SQLException: SQLException occurred in JDBCPool
while attempting to connect, please check your username, password,
URL, and other connectivity info.
The root cause was that: java.sql.SQLException: SQLException
occurred in JDBCPool while attempting to connect, please check your
username, password, URL, and other connectivity info"
I've tried changing the 3306 port to 8500, but this doesn't
help.
My java path and connector file is:
C:\CFusionMX\wwwroot\WEB-INF\lib\mysql-connector-java-3.0.17-ga-bin.jar,
Is this a ID/password problem? I've tried both 'root' and
leaving the ID field in the CF Administrator add data source block,
both to no avail. I don't have a password set in Mysql for 'root'
either.
Any help would be gratefully appreciated. I've been working
on this for weeks and keep running into one problem after another.
Thanks a million in advance.
Sincerely,
Graham A. KerbyIf it were me I would use the MySQL JDBC driver and not ODBC. Then DSN versus not-DSN wouldn't be an issue.
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Can't Connect to the Mysql Database using J2SE jdk1.5
Can anyone tell me why this error occurs ????????????????????
Following are the codes ;
package dbconnect2;
import java.sql.*;
public class dbconn2 {
public static final String URL =
"jdbc:mysql://localhost:3306/test";
public static final String USERNAME = "test";
public static final String PASSWORD = "password";
* @param args the command line arguments
public static void main(String[] args) throws Exception {
// TODO code application logic here
Connection connection = null;
try {
Class.forName("com.mysql.jdbc.Driver");
connection = DriverManager.getConnection(URL,
USERNAME, PASSWORD);
Statement stm = connection.createStatement();
ResultSet rs = stm.executeQuery("select * from emp");
while (rs.next())
String strnaam = rs.getString("emp_name");
System.out.println(strnaam);
finally {
if (connection != null)
connection.close();
================================================================================
This is the run time error ;
init:
deps-jar:
compile:
run:
Exception in thread "main" java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at dbconnect2.dbconn2.main(dbconn2.java:39)
Java Result: 1
BUILD SUCCESSFUL (total time: 2 seconds)
please help me to sort this out
Thanks
SishaniI've solved the DW problem by changing the site folders from
'db' to 'wwwroot' e.g. 'C:\CFusionMX\db\' is now
'C:\CFusionMX\wwwroot\
However I'm now back to my original problem. I've lost my
mqysql connection in CF Adminstrator. Before I made these changes I
could connect to my mysql databases using the following settings:
JDBC URL: jdbc:mysql://localhost:3306/test
Driver Name: MySQL Connector J
using the following Java path and file:
C:\CFusionMX\wwwroot\WEB-INF\lib\mysql-connector-java-3.0.17-ga-bin.jar
Now these settings give me the following error:
"Connection verification failed for data source: javaserver
[]java.sql.SQLException: SQLException occurred in JDBCPool
while attempting to connect, please check your username, password,
URL, and other connectivity info.
The root cause was that: java.sql.SQLException: SQLException
occurred in JDBCPool while attempting to connect, please check your
username, password, URL, and other connectivity info"
Any suggestions on this would also be welcome.
Thanks again to everyone for their help.
Sincerely,
Graham A. Kerby -
PHP Connection to a MySQL database "An unidentified err has occurred"
This is driving me up the wall.... With my hosting provider
at work I cannot make a connection to a MySQL database with
dreamweaver using the new connection in the databases tab. "an
unidentified error has occurred"
I am certain that I am entering the info correctly and have
the correct permissions to access the database, I think it has to
do with the _mmServerScripts folder and the testing server.
With the hosting provider that I use for personal websites I
make connections all day long doing the exact same thing that I am
doing here at work and I'm stumped. I even read a lenghty article
on this forum with possible solutions... none of them worked.
Is there any way around the _mmServerScripts directory and
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Thanks in advance for any help!
Georgeo0knightro wrote:
> Is there any way around the _mmServerScripts directory
and testing server to
> make a connection and then use the bindings and server
behaviors tabs to creat
> recordsets, etc??
Not if you want to use Dreamweaver server behaviors, no. The
usual
meaning of "an unidentified error has occurred" is failure to
connect
because communication is blocked by a firewall.
David Powers, Adobe Community Expert
Author, "The Essential Guide to Dreamweaver CS3" (friends of
ED)
Author, "PHP Solutions" (friends of ED)
http://foundationphp.com/ -
Can APEX/ORACLE connect to a mysql database?
Hi
Just wondered whether APEX and ORACLE could connect to mysql database. I may have a requirement to link to a mysql database and retrieve the data and wondered if APEX could do this.
ThanksHi
Apex sits within the Oracle database. Oracle can connect to a mysql database via a database link so yes this is certainly possible. We connect extensively to an Informix database here actually. This is really an oracle question though so you just need to look in the documentation for the CREATE DATABASE LINK command and for setting up the actual connection.
If you need more help let me know.
Cheers
Ben -
How to connect Java to oracle Database Express Edition?
Anyone can help me?
How to connect JAVA TO ORACLE DATABASE EXPRESS EDITION?I suggest you to read this article:
http://wiki.oracle.com/page/JDBC
Regards,
Ricky -
How to connect java in mysql....
how to connect java in mysql.... help me guys
am newbie...http://www.mysql.com/products/connector/j/
download the JDBC driver and read the docs.
if you don't know JDBC, Google for "Sun JDBC tutorial" and study it.
don't ask for sample code. there's plenty out there.
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How To connect More Then One database
How To Connect More the One Database In Single form.
I want to use Access And Oracle In the Same Form.
I want to Transfer data from Access file To oracle database.
ChiragHi,
You can do this using EXEC_SQL package. Please see Note 115540.1 on metalink which describes how you can connect to Ms Access and Oracle using EXEC_SQL.
Regards
Kavitha Prakash
Oracle Support
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