Is there any library that would simplify the task of connecting to a server with JDBC? Something that can take a string like "mysql://username:password@host/db", similar to what PHP MDB2 do: |
Have a use case wherein need to maintain a connection open to a database open to execute queries periodically.
Is it advisable to close connection after executing the query and ... |
Since I'm using a newer release of JRC a replacement of database connection information do not work any more. I've no idea why. This code worked with a JRC version from ... |
I've never used a JDBC connection before, and am familiar with only ODBC connections. We have a vendor who will only support JDBC. They consider ODBC 'Open Source', and therefore do ... |
I have create a getDBConnection method in my Java application. This returns a connection object, and hence I haven't closed this connection in this method itself.
Now, I am invoking this ... |
I'm soon going to be starting the development stage of my coursework and the current design is to have a single class that handles database connections and many classes that call ... |
I do a lot of work on databases over the internet. My company is instituting a policy of not sending any non-encrypted information (including vanilla JDBC). I currently connect ... |
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I have a plain Java application which is supposed to connect to the database. I don't want to store database connection url and username/password in a properties file or hardcode it ... |
Hi
I am a part of a student programming group an we are programming a social networking site.
I have a Session bean and for every User i create a UserInfoHolder Class ... |
In a normal SQL Server 2005 connection string, it's possible to specify the desired protocol in the following format:
Data Source=tcp:myServerAddress;
Initial Catalog=myDataBase;
Integrated Security=SSPI;
Is there a way to do something similar in a ... |
I have a .net 2.0 app being hosted on IIS, that connects to a Ingres DB. The connection uses iBatis with an ODBC driver to connect to an ingres database being ... |
For instructional purposes, I want to set up a database in a Linux environment, then conenct to it using JDBC. OpenOffice looks a lot simpler thatn MySQL, but I'm not ... |
i am using jdbc to connect to a database server
the connection is over a wireless network and can be dodgy at times
at the moment when the connection is lost they need ... |
I'm looking to create a sample project while learning Guice which uses JDBC to read/write to a SQL database. However, after years of using Spring and letting it abstract away ... |
I am trying to make a connection to JDBC(JNDI) in Crystal Reports and I get the following error :
Invalid Argument provided.
Details: Java Server startup failure. Please verify the ... |
How to create a jdbc connection in java?
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I wanto to run my JDBC-connection (either Oracle or MSSQL) through a proxy-server. Reason for this is to have additional controls of the traffic, especially for developing.
I know, I could specify ... |
I really enjoy the JDBC abstraction in Java. I don't care what database type I am connecting to, or what driver is being used. That's all set up in the DataSource ... |
I am new to Java and I am attempting to use JDBC to connect to an UniVerse database. I'm using Sun Java 6 JDK to using NetBeans to build the project. ... |
Hii ,
I am developing an application where I ran across into this problem ...I have this GUI where in I have many buttons ... Each button performs some action like ... |
Anyone have idea how can i write XMl file that i will have JDBC connection (username, passwd, driver, connection) in it and then read that xml for connecting to db?
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Let's say I have a common method which creates a DB connection:
Connection getConnection() throws SQLException {
Connection con = ... // create the connection
con.setAutoCommit(false);
...
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i want to connect to my database using beanshell script. my code works with java but beanshell doesn't work with the same code. Class not found exception will be thrown. does ... |
i want to connect to a hsqldb in beanshell script.
i had problems while loading class, i wrote it before and it was replied.
the code looks like that:
Connection ...
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We have a Java (Spring) web application with Tomcat servlet container.
We have a something like blog.
But the blog must load its posts dynamically with Ajax.
The client's ajax script checks for new ... |
How to handle database connection with multithreaded application. I have developed one application that created more thread. But when i run application it run correctly but after some time application is ... |
I have a huge schema that contains my application table, I need to return these tables only.
I've used the following:
ResultSet publicTables = jdbcConnection.getMetaData().getTables(null, schema, "USER_%", dataTypes);
The problem is, I've 6 tables ... |
i have created only one object for connection MYSQL database ... and i am trying to access it only one time but it is giving a exception like this
Could not ... |
If I have a method which establishes a database connection, how could this method be tested? Returning a bool in the event of a successful connection is one way, but is ... |
Goal:
Create Netbean project and put on repository (any). When other developers check out the Netbean project, they can "open project" from Netbean IDE and press execute to open browser and start ... |
Hi folks
I am new to java programming.Can anyone suggest me some good reading for JDBC connection.
I have to connect my java program to a database.
Also while searching on net i ... |
We have a build that can package war files for specific environments where all our property files are embedded in the archive (war file).
We are now about to build for production. ... |
I was wondering how many statements or preparedstatements can be opened per connection at the same time. I don't really understand how would it work if multiple statements get executed and ... |
I am in the process of designing a simple Java application which deals with insert/delete/update of records in a MySQL database using JDBC. I have a class Member which deals with ... |
I am facing problem how want to connect the mysql database through JDBC (please provide some tips or tutorials link) and how to retrieve the table rows in the output console ... |
I want to know what is the best practices to store database connection related information?
What i know is ResourceBundle which uses a properties file is used for localization and is not ... |
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
conn = DriverManager.getConnection("jdbc:odbc:db");
conn1 = DriverManager.getConnection("jdbc:odbc:db");
stmt1=conn.createStatement();
stmt2=conn.createStatement();
...
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I want to develop a chart application with JavaFX chart tools and palettes but I want to run it in accordance with the database values that the chart has to bind ... |
I am using JDBC to connect to a DB. Since the network was slow, i could get the connection after some 2 or 3 retry manually. Is it possible to retry ... |
I want JDBC connection to MSaccess.
But
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:access");
it gives
Type mismatch: cannot convert from Connection to Connection
what is solution for that?
I m using Servlet and jsp
in ... |
How can one know if the JDBC connection to an SQL server is secure (i.e. uses SSL) or not?
Is it obvious for example from the URL. Do all JDBC ... |
I want to know how can I pass a parameter to the Rest url and use that parameter to get data from database.
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I've installed MaxDB in my local machine and I'm trying to make a connection to it using Java.
And I'm getting this error when running :
Exception in thread "main"
... |
I need to write values from form in flex to an oracle database. I know i will be using the blaze DS bridge but I can not understand how to send ... |
I have been having a query regarding writing unit tests for web methods which actually communicates with a database and returns some value.
Say for example I have a web service named ... |
Other similar questions on StackOverflow didn't answer my question in this area. I have this script that doesn't work, and I am wondering how to get it to work:
// ...
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I am currently trying to connect to my quickbooks database, my company name is called lunchboxes. I am trying to connect using a java stand alone program
Here is my code so ... |
I am using a connection pool in my project. I want to know how many connections are opened?
I have given 20 connections as max no of connections. What will happen if ... |
Possible Duplicate:
when to close Connection, Statement, PreparedStatement and ResultSet in JDBC
I've written a simple wrapper for a JDBC connection and it works but I ... |
I have a method in my dataaccess layer that processes a file import. Such a file can have many records in it that need to be inserted into the database.
This method ... |
In my current project I am writing a service that receives configuration commands 'from above' and has to distribute those configurations to databases stored locally on the machines being configured.
The schema ... |
I'm building an MVC based web application, each Aggregate of Models has it's own Repository. The repositories fetch the data from a MySQL database.
I'm having an hard time deciding how to ... |
How to make a DSN less Connection in JAVA. I am trying to make SQL database connection in my java program. But i dont want to make DSN. Is there any ... |
Is it possible to store a database connection as a separate class, then call the database objects from a main code? ie;
public class main{
public static void main{
...
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We're using birt 2.6.2 reporting to display reports in our tomcat hosted web app. We have a reporting.rptlibrary file that contains a <data-sources> and <oda-data-source> xml element. Subsequently, all ... |
I have Customer class that make connection to db and save data to mysql. I use tomcat7 and mysql. I want to test this class. I have this method:
public CustomerData ...
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I want to test class with make db connection. Class that I want to test accept as param in constructor Connection class. I want to pass mock object to the constructor. ... |
why is it my Connection code not working? I have everything right password,user, and the host and the driver but why is it not working??
import java.sql.*;
public class Connection {
...
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Hi There: I am using netbeans on my projects I have been including conection string on my code, it makes it dificult when there are changes on the server, Anyone has ... |
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I am passing the dburl value dynamically based on user's selection in my case. Code: dburl="jdbc:oracle:thin:@${dburl}" log.info "$dburl" def sql = Sql.newInstance("${dburl}", "test", "test", "oracle.jdbc.OracleDriver") def selectEmpStatement=""" select * from emp ... |
Posted: Thu May 07, 2009 11:23 am Post subject: Creating Firebird-Embedded database connection Folks, Anybody managed to connect to a Firebird-Embedded database using the services tab (database node)? ... |
Is there any way to give a name or alias to the connections listed under Services -> Databases? I have several connections that use the same driver so they have a ... |
hi guuys: I have a database in phpMyadmin of my wampserver in my machine of Vista platform, and i would like to connect the different database tables to a GUI in ... |
When i tried to add a new connection to the Database (java DB (network)) on port 1527 host being localhost it gives me a error message : Unable to add connection. ... |
Hello i couldnt find an answer for this. Im working on Java database application with persistance. My problem is that every time i start the application it opens a new connection ... |
(sorry I made a mistake with the object in the previous message) hi, I am not able to connect the database of my application inside the window 'services' of NetBeans... I ... |
hi in my stand alone program, I use a derby database that I created by the java code. ------ I made it opening the database, at the first time, with the ... |
Posted: Sat Nov 21, 2009 7:58 am Post subject: jdbc connection I am having problems connecting to my java application to a database. IDE: NetBeans DATABASE: DB2 Here ... |
ravidasineni Joined: 25 Nov 2009 Posts: 2 Posted: Fri Nov 27, 2009 3:57 am Post subject: getting database connection in netbeans I am staring a new project with ... |
Hi I am just starting with learning NetBeans to develop database application to connect to an Informix database. I have installed Informix JDBC 3.5 and NetBeans 6.7.1. I have set up ... |
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maureen Joined: 11 Apr 2010 Posts: 8 Location: New Jersey, USA Posted: Sun Apr 11, 2010 2:18 pm Post subject: Appreciate help trying to get JDBC connection working ... |
maureen Joined: 11 Apr 2010 Posts: 8 Location: New Jersey, USA Posted: Sun Apr 11, 2010 2:19 pm Post subject: Appreciate help trying to get JDBC connection working ... |
A lot has been written about this subject on the internet, but I've not been able to find a solution. Sorry for making yet another post about it. I am a beginner and the task is to send an image from the emulator to database and to get an acknowledgement from DB to emulator... I have connected Netbeans 6.9.1 and s40 ... |
I'm trying to create a New Database Connection and the Sybase database I'm trying to connect to uses an unsupported character set (charset). I get a stack of exceptions saying so much. I am able to connect using a java-based application, DbVisualizer, but only after I set the connection propeties "CHARSET" to "iso_1". Is there no way to set additional properties ... |
Product Version: NetBeans IDE 7.0 (Build 201104080000) Java: 1.6.0_23; Java HotSpot(TM) Client VM 19.0-b09 System: Linux version 2.6.38.6-27.fc15.i686 running on i386; UTF-8; en_GB (nb) Userdir: /home/neek/.netbeans/7.0 Hi all, I've had this issue since 6.x, hoped moving to 7.x would fix it. I generally want about 20 database connection profiles in my Services->Databases list. They're all MySQL connections, to either a local ... |
I have recently installed Netbeans 6.9.1. When trying to create a database connection from Services, expanding the 'Databases' item from under the 'Services' tab has no effect. There is nothing there. All the other tabs (web services, servers, etc.) under services contain items. I can't find any other way to create a database connection within Netbeans. I have uninstalled Netbeans, and ... |
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Still having the same problem. I am able to use Microsoft SQL Server Management Studio, and I can connect to the databases fine -- created and edit tables, etc. However, for some reason, when I attempt to create a database connection in the services tab, I continue to get the same connection error. Is there a problem with NetBeans? As stated, ... |
We are running with strange issue. We use quartz to load the list job. But, when you leave the system ruuning overnight, the very first job everyday is failed because the following exception. Subsequent jobs are executed with no problem. We use DBCP connection pool and MSSQL DB. Looks like Quartz tries to use the connection which is used by someone ... |
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I am running a quartz job every 5 seconds. For some reason it is giving me ConnectionWaitTimeout Exception. Is there any API for Quartz Scheduler/Trigger which help me view the following: 1) Max connections in pool 2) Total no of active connections. 3) Total no of closed connections. 4) Total no of Idle connections Any help would be appreciated. Thanks ! ... |
I am using Quartz 1.8.4 in IBM Websphere 6.1 environment.... In my quartz properties file I am using JNDI URL to look up the datasource: org.quartz.dataSource.MYDS.jndiURL=jdbc/XYZ If I have defined the JNDI URL then does defining this make sense: org.quartz.dataSource.MYDS.maxConnections = 20 Will quartz use max connection configuration from App Server or the one defined in quartz.properties file ? Thanks in ... |
If I compare a JDBC-result (string) that contains e.g. the *-character, the comparison with a standard response assertion after a JDBC-Sampler does not work. I tried with a Beanshell-Assertion with String-comparison - there it worked. Additionally I tried for Debugging-purposes including the DB-query also in the Beanshell Script. Ok, one could use the JDBC-Sampler and afterwards the Beanshell Assertion, you're right. ... |
I think this is not possible with the JDBC Request, but based on this email discussion I thought I'd ask http://marc.theaimsgroup.com/?l=jmeter-user&m=106285267110499&w=2... If you specified two connections with the same URL but different user/password, it would still use only one pool, and only one username/password. This problem should be fixed in the latest code in CVS, but has not been fixed ... |
Hi I have 2 JDBC connections to Oracle DB and use samplers in my JMX to both connections. In jmeter.log I see "Ping of connection failed" in some samplers I ran only few samplers with timer of second and still got this "timeouts" I'm consulting my DBA, but maybe you have ideas on improving my Test ... |
JMeter Version: 2.4 r961953 Im attempting to load the connection information from an external CSV file. Ive attached a Debug Sampler and can see that the variables are making it into memory as seen below. JMeterVariables: DatabaseConnection=org.apache.jmeter.protocol.jdbc.config.DataSourceElement$DataSourceComponentImpl@29021f42 JMeterThread.last_sample_ok=true JMeterThread.pack=org.apache.jmeter.threads.SamplePackage@4a523b16 START.HMS=172648 START.MS=1308094008358 START.YMD=20110614 TESTSTART.MS=1308155812780 databaseJDBCDriverClass=com.mysql.jdbc.Driver databasePassword=test databaseUrl=jdbc:mysql://localhost:3306/osax databaseUser=test But Im unable to use any of the variables in the JDBC Connection ... |
Hi I went through the Distributed Testing PDF file and configured all the setting as described in it . While am running the test plan I am getting the following error message as " Connection refused to host 192.168.1.78;nested exception is:java.net.ConnectionException:Connection refused:connect " (1) My system IP address is 192.168.1.57 and am running the Test Plan from my system ... |
Hi Sebb / Matt , Am using JMeter for Load testing our Java application . I have some doubts on using JMeter . Could you please help me to solve my doubts pls ? My Tuning Parameters are as follows set HEAP=-Xms512m -Xmx1024m set NEW=-XX:NewSize=128m -XX:MaxNewSize=128m set SURVIVOR=-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50% set TENURING=-XX:MaxTenuringThreshold=2 set EVACUATION=-XX:MaxLiveObjectEvacuationRatio=20% set RMIGC=-Dsun.rmi.dgc.client.gcInterval=600000 ... |
Hi all, I'm trying to create a database connection pool using "JDBC Connection Configuration". Our database is SQL server 2000. I went to Microsoft website to find JDBC drivers for SQL server. They only have .exe and .tar format files. How can I use them and put it into Jmeter /lib dir? Can I find a jar file of ... |
92. jdbc connection jmeter.512774.n5.nabble.comHI, I have created a test plan to connect to a database (created locally on a test system for testing) which uses my windows login ID as teh user name and password. I added a HTTP authorization manager witht eh appropriate URL but it fails. My db URL is : jdbc:sqlserver://TEST_MACHINE\SQLEXPRESS JDBC Driver Class Name : com.microsoft.sqlserver.jdbc.SQLServerDriver it gives an ... |
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Hi, I'm getting the following response from a JDBC sample: Load time: 0 HTTP response code: null HTTP response message: java.sql.SQLException: No suitable driver I am told we use the following executable jar, and have copied it to jmeter\lib: mysql-connector-java-bin.jar Also, I have entered my JDBC driver class as follows: com.mysql.jdbc.Driver I use eclipse to open this file, but it is ... |
Check your permission settings in your .jnlp file If i recall correctly, if you are sandboxing your application, it will only allow you to establish a network connection to the host server and not to any other. one option is you can set your permissions as and then sign all your jar files as always, enjoy |
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I am using Axis and Tomcat and trying to get Access database content. I can connect and print out info from the database outside of Axis using Java. But I am getting an error in my Tomcat window that says: SQLException: [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified. It works fine outside my axis application. ... |
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Dose anyone know a way of checking if JDBC Connection is alive? I have found out that the connection will become null (garbage collected?) if RDBMS is inactive (down) for a while, but unfortunately that dose not apply if I (for example) will unplug the network. I was trying to use isClosed() of Connection, but that returns true unless you close ... |
I am using tomcat to connect cloudscape database. I am try to store the input var from a HTML to the database. However, when I press the submit button, it is an unavailalbe exception --Error: 503 Location: /techSupport/servlet/techSupport Driver not found in the classpath. Service is permanently unavailable -- I've opened %Tomcat_home\bin\tomcat.bat and type set CLOUDSCAPE_CP=%CLOUDSCAPE_INSTALL%\lib\cloudscape.jar (other classpath settings) set CLASSPATH=%CLASSPATH%;%CLOUDSCAPE_CP% ... |