How to connect my access database using applet?
hi all,
i need to connect my access database in my applet program which should work like an atm machine..I dont know how to connect it. Im new to applet same thing in JDBC application. Please help i terribly need it, our deadline in our case study is fast approaching and i still dont know how to do it. I tried the tutorial but i received some sql exception error. thanks!
Try this link
http://java.sun.com/docs/books/tutorial/jdbc/basics/
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I am migrating customers from:
Windows 2000 Server (fully patched)
Internet Information Services (IIS) 5
ColdFusion 5
to:
Windows Server 2003 Standard x64 Edition (fully patched)
Internet Information Services (IIS) 6 (running in 32-bit
mode)
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Unfortunately, some of these existing customers are still
using Microsoft Access databases instead of SQL Server. Having all
of these existing customers migrate to SQL Server is not yet
practical. On the old Windows 2000 / ColdFusion 5 server, they are
using OLE DB data sources to reference the MS Access databases
using the "Microsoft.Jet.OLEDB.4.0" provider. None are configured
to use ODBC drivers when referencing MS Access or SQL Server.
I have yet to figure out how to get ColdFusion MX 7 to:
- Create a data source that references MS Access databases on
64-bit Windows.
- Reference an existing MS Access data source created with
the 32-bit version of the ODBC Data Source Manager on 64-bit
Windows.
A bit of background information regarding MS Access on 64-bit
Windows:
- At the time of this writing, Microsoft has not
created/released 64-bit drivers for Microsoft Access and it's
unlikely they ever will, for understandable reasons.
- Contrary to seemingly popular belief, the Microsoft Jet 4.0
Database Engine does exist on 64-bit Windows. See the following
regarding version and file location information:
How to obtain the latest service pack for the Microsoft Jet
4.0 Database Engine
http://support.microsoft.com/kb/239114
- You CAN create MS Access based data sources within 64-bit
Windows, but they have to be made using the 32-bit version of "ODBC
Data Source Manager". I'm assuming these DSNs may only be used by
32-bit applications, but I have not tested that theory.
32-bit data sources:
ODBC Data Source Manager:
%SystemRoot%\SysWOW64\odbcad32.exe
Registry location:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ODBC
Default file DSN directory:
C:\Program Files (x86)\Common Files\ODBC\Data Sources
64-bit data sources:
ODBC Data Source Manager:
%SystemRoot%\system32\odbcad32.exe
Registry location:
HKEY_LOCAL_MACHINE\SOFTWARE\ODBC
Default file DSN directory:
C:\Program Files\Common Files\ODBC\Data Sources
The 64-bit version of "ODBC Data Source Manager" (under
Administrative Tools) only show "SQL Server" and/or "SQL Native
Client" as options when creating new data sources, unless
third-party software is installed that supplies additional drivers.
The 32-bit version of "ODBC Data Source Manager" (by default,
there is no shortcut for this in the Start menu) shows the typical
drivers seen on 32-bit versions of Windows, including SQL Server,
SQL Native Client, Microsoft Access, Excel, FoxPro, Paradox, etc.
When using ColdFusion Administrator in ColdFusion MX 7.0.2 in
64-bit Windows 2003 (IIS is running in 32-bit mode to allow
ColdFusion MX 7 to function at all), two problems are encountered
when dealing with MS Access (and presumably other 32-bit drivers).
In both cases, ColdFusion is trying to reference the registry
location for 64-bit data sources instead of 32-bit:
1. Creating a new data source within ColdFusion
Administrator:
Data Source Name: whatever
Driver: Microsoft Access
CF Data Source Name: whatever
Database file: (physical path to whatever.mdb)
(other settings are irrelvant for this example)
Error generated when submitting:
Unable to update the NT registry.
Cannot open HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\ODBC.INI\ODBC
Data Sources: Windows error number 5 occurred.Access is denied.
ColdFusion stores the data source, however a "verify"
generates the following error:
Connection verification failed for data source: whatever
java.sql.SQLException: [Macromedia][SequeLink JDBC
Driver][ODBC Socket]internal error: Data source name not found and
no default driver specified
The root cause was that: java.sql.SQLException:
[Macromedia][SequeLink JDBC Driver][ODBC Socket]internal error:
Data source name not found and no default driver specified
2. Creating the data source using the 32-bit version of "ODBC
Data Source Manager" then trying to reference it with ColdFusion:
ODBC Data Source Manager:
System DSN or File DSN:
Name: whatever
Driver: Microsoft Access Driver (.mdb)
Database: (physical path to whatever.mdb)
(creation is successful within ODBC Data Source Manager)
Reference the above DSN within ColdFusion Administrator:
Data Source Name: whatever
Driver: ODBC Socket
Error generated when submitting:
Error accessing available odbc datasources. - Cannot open
HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\ODBC.INI\ODBC Data Sources:
Windows error 2 occurred.The system cannot find the file specified.
ColdFusion MX 7 can't find the 32-bit data source on 64-bit
Windows because it's looking for it in the wrong registry location.
Can ColdFusion MX 7 be configured to look in
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ODBC
instead of
HKEY_LOCAL_MACHINE\SOFTWARE\ODBC
on a 64-bit Windows machine?Paul,
Thanks for the insight on this. Regarding the initial problem
I ran into with creating Access based DSNs, very early-on, I
noticed there were two different driver options for Access
displayed within ColdFusion MX 7 Administrator:
Microsoft Access
Microsoft Access with Unicode
For reasons I'm am still baffled over, I somehow completely
forgot about and through the wonders of apparent tunnel vision,
completely overlooked the "Microsoft Access with Unicode" driver
option when I was running through my tests.
At your seemingly-obvious suggestion, I created a data source
using the Microsoft Access with Unicode driver and it worked
perfectly fine with the one customer's web site I'm using for
testing (of course, this is a copy--the production site is still
housed on the old ColdFusion 5 server). This obviously doesn't
actually fix the underlying issue with ColdFusion looking in the
wrong part of the registry on 64-bit Windows, but at least when it
comes to dealing with Access databases, your suggestion of using
the Microsoft Access with Unicode driver appears to be a functional
work-around. So long as there aren't any surprises waiting for me,
hopefully this will also work for the remaining ColdFusion sites I
have to migrate that are using Access databases.
Since you mentioned JDBC drivers in comparison with ODBC, I'm
pointing out a couple of references in case they're helpful to
anyone following this thread:
ColdFusion MX 7 - About JDBC
http://livedocs.adobe.com/coldfusion/7/htmldocs/00001736.htm
Types of JDBC technology drivers
http://java.sun.com/products/jdbc/driverdesc.html
http://java.sun.com/products/jdbc/
I don't actually develop anything in ColdFusion, so I'm
dealing with all of this from a server administration standpoint
since we do have some domain hosting customers that do develop or
at least have existing ColdFusion based sites. I am all
too-familiar with the caveats of using Access in any kind of
production or heavily used environment and have spent years keeping
users away from ODBC. For ColdFusion users, that meant creating OLE
DB DSNs and often having to fix poorly written SQL statements and
fixing ColdFusion date-related values and boolean values (the
common problems encountered when switching CF / MS Access users
from ODBC to OLE DB). I can only recall running into problems with
a single SQL Server based ColdFusion site when migrating from ODBC
to OLE DB. That customer never did get their many coding problems
fixed, so they're the only ones still using ODBC in CF. I have no
idea what'll happen when that one site gets migrated over--if it'll
even work. Obviously a lot of things have changed between
ColdFusion 5 and the MX versions that have come along afterward.
Thanks again for the Access with Unicode driver tip and JDBC
info. It looks like I can finally start moving forward again with
the site migration process.
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How to connect MS Access or other d/b tools to SAP R/3
Hi SAP Experts,
I got a requirement i.e by using MS Access or other database tools to take the SAP table dumps and analyze gaps or errors in the system data using business guided .
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i tried to connect to access database in windows. i made a user dsn in windows
control panel and added this to the connection pool. after which i created a JDBC
datasource using this connection pool.(specifying the driver as sun.jdbc.odbc.JdbcOdbcDriver
and url=jdbc:odbc:xyz
where xyz is the user dsn name pointing to the relevant access database file.
on testing this in the weblogic admin console it showed successful operation.
when i tried to use this connection pool in weblogic 8.1 workshop and tried
building a rowset control to check the connectivity it gave the following exception.
file attached.
any hints on how to get it working/ how to use access database with wl 8.1
workshop.
Exception in context_onAcquire
java.sql.SQLException: Failed to Generate Wrapper Class.
Nested Exception: java.lang.RuntimeException: Failed to Generate Wrapper Class
at weblogic.utils.wrapper.WrapperFactory.createWrapper(WrapperFactory.java:141)
[DB-error.txt]ashok wrote:
i tried to connect to access database in windows. i made a user dsn in windows
control panel and added this to the connection pool. after which i created a JDBC
datasource using this connection pool.(specifying the driver as sun.jdbc.odbc.JdbcOdbcDriver
and url=jdbc:odbc:xyz
where xyz is the user dsn name pointing to the relevant access database file.
on testing this in the weblogic admin console it showed successful operation.
when i tried to use this connection pool in weblogic 8.1 workshop and tried
building a rowset control to check the connectivity it gave the following exception.
file attached.
any hints on how to get it working/ how to use access database with wl 8.1
workshop.
Exception in context_onAcquire
java.sql.SQLException: Failed to Generate Wrapper Class.
Nested Exception: java.lang.RuntimeException: Failed to Generate Wrapper Class
at weblogic.utils.wrapper.WrapperFactory.createWrapper(WrapperFactory.java:141)
Hi Askok. This exception usually means that the weblogic server's environment
doesn't have all it needs to make the jdbc connection you want. You should
ensure that the OS environment variable PATH has all the libraries you need
for making a jdbc-odbc connection, and that it's classpath also contains the
driver you want.
What DBMS are you connecting to? The reason I ask is because if there is a
pure JDBC driver for it, that will be preferable, because the jdbc-odbc bridge
from Sun is not threadsafe, so it can corrupt Weblogic.
Joe
>
Exception in context_onAcquire
java.sql.SQLException: Failed to Generate Wrapper Class.
Nested Exception: java.lang.RuntimeException: Failed to Generate Wrapper Class
at weblogic.utils.wrapper.WrapperFactory.createWrapper(WrapperFactory.java:141)
at weblogic.jdbc.wrapper.JDBCWrapperFactory.getWrapper(JDBCWrapperFactory.java:73)
at weblogic.jdbc.jts.Driver.newConnection(Driver.java:674)
at weblogic.jdbc.jts.Driver.createLocalConnection(Driver.java:196)
at weblogic.jdbc.jts.Driver.connect(Driver.java:154)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.java:298)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl.getConnection(DatabaseControlImpl.jcs:1360)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl.context_onAcquire(DatabaseControlImpl.jcs:1252)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.bea.wlw.runtime.core.dispatcher.DispMethod.invoke(DispMethod.java:353)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:420)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:393)
at com.bea.wlw.runtime.core.container.Invocable.fireEvent(Invocable.java:603)
at com.bea.wlw.runtime.core.context.WlwThreadContext.sendEvent(WlwThreadContext.java:989)
at com.bea.wlw.runtime.core.context.WlwThreadContext.raiseEvent(WlwThreadContext.java:919)
at com.bea.wlw.runtime.core.container.Container.raiseContextEvent(Container.java:553)
at com.bea.wlw.runtime.jcs.container.JcsContainer.onAcquire(JcsContainer.java:513)
at sun.reflect.GeneratedMethodAccessor325.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.bea.wlw.runtime.core.dispatcher.DispMethod.invoke(DispMethod.java:353)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:420)
at com.bea.wlw.runtime.core.container.Invocable.sendContextEvent(Invocable.java:524)
at com.bea.wlw.runtime.jcs.container.JcsContainer.sendContextEvent(JcsContainer.java:464)
at com.bea.wlw.runtime.core.context.WlwThreadContext.acquireResources(WlwThreadContext.java:676)
at com.bea.wlw.runtime.jcs.container.JcsProxy.invoke(JcsProxy.java:307)
at processes.Audit.insertAuditData(Audit.ctrl)
at processes.ExceptionHandler.auditInsertAuditData(ExceptionHandler.jpd:78) -
I have been looking all over for a simple "hello world"
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MX, and according to the Flash 8 documentation, the NetServices is
now deprecated. Anyway, I posted my question on another site and
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sample -
Error while connecting to Access Database
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i am making an application using Access Database using the following code
*try {*
*Connection conn=null;*
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*Context ctx=new InitialContext();*
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** e.printStackTrace();**
but it is showing the error
*com.sap.engine.services.jndi.persistent.exceptions.NameNotFoundException: Object not found in lookup of AccessDb.*Hi
refer
[Connecting to MS Access using receiver JDBC Adapter (Without DSN)|Connecting to MS Access using receiver JDBC Adapter (Without DSN)]
[/thread/147169 [original link is broken]|/thread/147169 [original link is broken]]
thanks
suresh
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