1. DriverManager always returns my custom driver regardless of the connection URL stackoverflow.comI am writing a driver to act as a wrapper around two separate MySQL connections (to distributed databases). Basically, the goal is to enable interaction with my driver for all applications ... |
2. Testing Database Connection with DriverManager(java) stackoverflow.comI currently am trying testing (unit test) a class that connect to the database, see the code: |
3. Using DriverManager versus Connection Pooling coderanch.comLot has been said about the advantages of using Connection Pooling in JDBC 2.0. In our application, we have tried both options..using datasource and connection pooling and using DriverManger.getConnection().We have found that the second option ie DriverManager.getConnection() is faster and more reliable.When using datasource.getConnection() we had frequently encountered ConnectionWaitTimeout exception..also the application sometimes becomes very slow.We are using Oracle 8.x for ... |
4. DriverManager.getConnection tries in vain to connect coderanch.comI installed MySQL under Linux Suse 9.0, using the Driver Connector/J, but my Java program cannot connect to the database. The Driver works fine and MySQL is reachable by direct approach (means not via Java), as root as well as user. My java code is the same I used before (with Linux Suse 8.2), so I know that there is no ... |
5. How does DriverManager knows which connection it shd return? coderanch.comHi I have been asked this question in an interview.It has 2 parts i)Can we load drivers for SQL Server and Oracle in one class? ii)If we can do the above operation,how will driver manager come to know which connection it shd return when u call DriverManager.getConnection(); This question may be silly for some Any info on this will be appreciated.. ... |
6. disable connection caching -> DriverManager coderanch.comhey, I am running an local app with MySQL and want to show in a lecture, how to profile a java app. Here my profiling case study: 1)running app, which does not cache db-connections: ->very slow. 2)identify with profiler, that getting a connection from "scratch" every sql-statement does take so long. 3) look at code and identify bottleneck, that connection does ... |
7. Specify SSL Context to DriverManager while getting SQL connection coderanch.com |
8. DriverManager not getting connection. coderanch.comHi, I am having a strange problem when i am using DriverManager API of oracle.My classes12.jar is from oracle10G.Currently my problem is whem i am trying to import 1000 records from an external CSV file into database it is failing with the following stack trace. 12:17:28,312 ERROR [STDERR] java.sql.SQLException: Io exception: The Network Adapter could not establish the connection 12:17:28,312 ERROR ... |
9. Specify SSL Context to DriverManager while getting SQL connection java-forums.org |
10. connection = DriverManager.getConnection(DATABASE_URL,'"+userid +"','"+password+"'); java-forums.orgHi I want the user id and password to be users input values . How can i do that in this line. It is pointing to an error if i write the variables userid and password . Java Code: public static void main(String[] args) throws ClassNotFoundException { : : // Calling the procedure to enter the correct user_id String userid = ... |