URGENT!Can I user a THIN jdbc driver to access a CLOB field from oracle 8.0.5 DB?

I think you'd need to contact Oracle support to get access to older versions of the driver.
Since 8.0.5 isn't supported any longer, however, is it possible for you to update your Oracle client to one of the supported releases-- 8.1.7 or 9i?
Justin

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Can weblogic server 5.1 version work with Oracle 9.2.0 thin JDBC driver?

we have an applicaiton using weblogic 5.1 and Oracle database 8.1.6. Is that possible
to upgrade databse version to Oracle 9i without weblogic upgrade? If yes, what
JDBC driver should be used? Oracle 9.2.0 thin JDBC driver or weblogic jDriver?
Is there any known issue with the JDBC driver under that architecture?
Please help.

Lei Zeng wrote:
we have an applicaiton using weblogic 5.1 and Oracle database 8.1.6. Is that possible
to upgrade databse version to Oracle 9i without weblogic upgrade? If yes, what
JDBC driver should be used? Oracle 9.2.0 thin JDBC driver or weblogic jDriver?
Is there any known issue with the JDBC driver under that architecture?
Please help.Hi. Any weblogic server can be used with any JDBC driver. Just upgrade the
JDBC driver to the latest/best one for Oracle9i, and make sure it's the first
thing in the server's weblogic.classpath (not the java.classpath). I recommend the
thin driver. Because it's all java, it is much more reliable. There is no known
issue with standard JDBC with that or any other driver. Some non-standard Oracle
calls which arer available from Oracle's driver classes are available through
weblogic, and some are not.
Joe Weinstein

Spy for oracle thin jdbc driver

Does anyone know a good spy utility to intercept the
query going to the database thru oracle thin jdbc driver?

If you can post the code, I would be happy to look at. I'm not aware of any 'trapping' mechanism for JDBC, although there may be one. Are you confident that you are 'waiting' on the execute of the SQL? It's very unusual for nothing to happen. In most cases, I would expect a long running query, or that you are getting, but not catching an Exception. Code would help if that's possible...

Thin JDBC Driver is missing some rows from resultset

Hi All
I am faced with a peculiar problem.
When I fire a SQL query using Toad, I get correct results but firing the same query using JDBC Driver - ojdbc14.jar (ORacle 11g R1) - we are getting lesser number of records.
Our SQL pulls around 300k of records and buckets them based on some column value into different chunks. We use NTILE function and it shows right results in TOAD.
Using same sql with JDBC, We are losing 100 rows per bucket.
Any ideas?
SQL is
SELECT
T.CTLG_ITM_ID as catalogItemIds,
T.INV_STAT_TYP_ID,
T.OORD_DT,
T.LST_UPDT_DTTM,
T.CTLG_ITM_SELL_TYP_ID,
P.OORD_IND,
C.BKORD_ELIG,
NTILE(300) over (ORDER BY T.CTLG_ITM_ID) AS bucketId
FROM
INV_STAT_ROLLUP_T T,
PRD_T P,
CTLG_T C,
CTLG_TREE_PATH_T TP
WHERE
T.CTLG_ITM_ID = TP.CTLG_ITM_ID AND
TP.PAR_CTLG_ITM_ID = P.CTLG_ITM_ID AND
C.BRD_CD = '10'
As per toad, each bucket should get us 1038 records but Thin JDBC Driver is fetching us only 898 records.
Any idea why this discrepancy?
Thanks
Saroj

rozdev29 wrote:
When I fire a SQL query using Toad, I get correct results but firing the same query using JDBC Driver - ojdbc14.jar (ORacle 11g R1)Seeing the downloads page:
http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-111060-084321.html
There IS no ojdbc14.jar for Oracle 11g. The minimum is Java 5. So correct me if I'm wrong, but you seem to be using a very old driver here. I would try a newer one if I were you.

Urgent... unable to load JDBC driver

i have developed a servlet which will establish connection to mySQL.. but it couldn't load the JDBC driver even i placed
[ mysql-connector-java-2.0.14-bin.zip ] in [ C:\j2sdk1.4.2_05\jre\lib\ext\ ]
in fact.. it work fine b4 i format my notebook.. anyone can help me??
pls note that i using APACHE TOMCAT and mySQL 3.23
pls help.. very urgent one
the following is my servlet code.....
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
public class LoginServlet extends HttpServlet {
static final String dbURL = "jdbc:mysql://localhost" ;
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
Connection conn = null;
String nextJSP = null;
try {
Class.forName("org.gjt.mm.mysql.Driver");
catch (ClassNotFoundException e) {
throw new ServletException("Unable to load JDBC driver");
}

i already add new variable in environment variables
variable name = CLASSPATH
variable value = C:\j2sdk1.4.2_05\jre\lib\ext\mysql-connector-java-2.0.14-bin.jar;
but the same output is come up.. still unable to load my JDBC driver in TOMCAT... y?

How can i use the weblogic jdbc driver for sqlserver?

hello
i have downloaded and installed the weblogic on my windows2000 server,then i want to use the weblogic jdbc driver for sqlserver2000 outside of the weblogic,as follow:
1 add following string to my classpath environment of the wndows2000: E:\bea\wlserver6.1\lib\mssqlserver4v65.jar
2 then i write a test program as:
import weblogic.jdbc.mssqlserver4.Driver;
import java.sql.*;
public class test{
public static void main(String argv[]){
try{ Class.forName("weblogic.jdbc.mssqlserver4.Driver");
Connection
conn=DriverManager.getConnection"jdbc:weblogic:mssqlserver4:localhost:1433","sa",""); }catch(Exception e){ System.out.println(e.getMessage()); }
4 when i execute it,it throw a exception:
Exception in thread "main" java.lang.NoClassDefFoundError: weblogic/version at weblogic.jdbc.mssqlserver4.TdsStatement.getLicenseStr(TdsStatement.java:2665) at weblogic.jdbc.mssqlserver4.TdsStatement.microsoftLogin(TdsStatement.java:2474) at weblogic.jdbc.mssqlserver4.MicrosoftConnection.beginLogin(MicrosoftConnection.java:42) at weblogic.jdbc.mssqlserver4.TdsConnection.login(TdsConnection.java:57) at weblogic.jdbc.mssqlserver4.MicrosoftConnection.login(MicrosoftConnection.java:53) at weblogic.jdbc.mssqlserver4.BaseConnection.prepareConnection(BaseConnection.java:187) at weblogic.jdbc.mssqlserver4.Driver.newConnection(Driver.java:34) at weblogic.jdbc.mssqlserver4.ConnectDriver.connect(ConnectDriver.java:151) at java.sql.DriverManager.getConnection(DriverManager.java:517) at java.sql.DriverManager.getConnection(DriverManager.java:177) at test.main(test.java:7)
who can help me?thank you!

Hi,
Mail me the jar file as I am using Weblogic 6.1 to my email id [email protected]
Else tell me the site from where u have downloaded and i will do the same.
I will test the same and let you know.
Thanks,
Seetesh

Can't connect using OCI JDBC driver in OC4J 10.1.3.3 standalone

Hi all,
I've recently upgraded my JDev from 10.1.3.2 to 10.1.3.3 and now I'm unable to establish any OCI connections with my local Oracle 10.1.0.4 database. Not even through a connection pool. The strangest thing is that when I test an OCI connection running from JDeveloper it works fine and the JDBC jars and the oci client are exactly the same.
The error is always the same when I execute a test on a connection pool using the OCI driver:
WARNING J2EE DS-00001 Exception occurred testing connection. Exception: java.sql.SQLException: Closed Connection.
If I just change the driver to the THIN one, the same test works. If I take the same URL from the OCI test and use it in a test class and run it inside JDeveloper, it works also.
I've even downloaded the instant client 10.1.0.5 (which happens to be exactly the same version of the JDBC driver that comes with JDev 10.1.3.3) and tried to use it with no success.
THIN connections are working just fine. The problem happens only when I try to connect via OCI and this problem was not happening in version 10.1.3.2.
Any help?

I found the cause of this problem. It turns out that you must be very careful with the environment variable ORACLE_HOME. On Windows, normally, we don't even set this variable because most applications are able to get it from the system's registry.
Well, it happened that I've edited the script start_oc4j.bat and, for organization reasons, I set the ORACLE_HOME variable with my JDeveloper's home directory (which is the same as my OC4J standalone's). By doing that, I kind of confused the OCI client. Once I removed the "set ORACLE_HOME=C:\JDev" line from the script, everything worked just fine again.
So, always remember: avoid setting environment variable ORACLE_HOME when using Windows and, if you must set it, be sure to do it right.
Regards,
Eduardo.

How can i find the available JDBC driver name?

hi,
can anyone tell me how can i find the JDBC driver name in XI

Hi
The available JDBC drivers can be viewed in the file found in the following path in ur XI server
:\usr\sap\XR3\DVEBMGS00\j2ee\cluster\server0\bin\ext\
regards
krishna

Thick vs. Thin JDBC Driver

Hi!
I was just wondering where to find some info about
the advantages / disadvantages of the Thick and Thin JDBC drivers, please, and some bachground about those drivers (what is the differnence etc).
In particular I would like to know whether Thick drivers are errorprone and mix up the contents of threads. Is this so according to your experience?
I would also like to know which one is the recommended driver to use if speed is an issue...
We use Oracle 8.1.7.4.0 and Websphere Application Server 4.04
Thanks a lot!
Cheers,
Steffen

Hi Steffen,
Check these links. I hope they provide you the information required.
http://st-doc.us.oracle.com/9.0/9202/java.920/a96654/overvw.htm#1000908
http://otn.oracle.com/tech/java/sqlj_jdbc/htdocs/factsht.htm
Regards,
Anupama

Can we design our own JDBC driver?

I am thinking of desigining a JDBC driver which will be working bit like a bridge between the original drivers and users programs. My driver will give user an independence from syntax binding with the Database SQL and PL/SQL language. That is it will support (and convert) any SQL/PLSQL syntax and convert it according to the database user is using. I don't know whether it is possible or not. Please help me to check the feasibility of this.

I don't know if there are drivers that do what you want to do. However, there are a lot of open source drivers out there. If they don't do exactly what you want, by looking at their code you may get a better understanding of what it takes to code a jdbc driver.
Here are some links of other jdbc drivers (googled: open source jdbc)
the db engines provide jdbc drivers, so most all in the first link should have implementations.
http://java-source.net/open-source/database-engines
http://www.manageability.org/blog/stuff/jdbc-proxy-drivers/view
http://java-source.net/open-source/jdbc
I have my own performance tuning/monitoring api called JAMon. Currently it has the ability to track SQL performance, Exceptions and more by adding the following simple line of code to your program. The code below is db independent.
My next release will provide a jdbc proxy driver, so even the following code won't be needed.
import com.jamonapi.proxy.*;
Connection conn=...
Connection monConn=MonProxyFactory.monitor(conn);

Where can I get a db2 jdbc driver with connection pool

hi,all
I want to look for a free jdbc driver to connect to db2 using with connection pool.
it isn't present in db2java.zip
thanks and regards
[email protected]

To find JDBC drivers take a look at SUN's overview at http://industry.java.sun.com/products/jdbc/drivers

JDBC Driver: MS Access

I need to connect locally to a mdb file on a Windows OS and manipulate its data. I have tried the sun.jdbc.odbc.JdbcOdbcDriver but it does not support primary keys manipulation. I have read numerous topics about JDBC drivers for MS Access, some of them also in this forum. The suggested drivers I found so far are commercial; I definitely need a non-commercial one for testing purposes. So please do not respond to this post, advertising commercial drivers (like HXTT for example).
I've had a look at http://jackcess.sourceforge.net/ but it requires specific code syntax and I would like to use a driver without rewriting my application. Then I've found http://rmijdbc.objectweb.org/ but it only allows remote access to an already existent JDBC driver.
Any suggestion about a non-commercial JDBC driver for MS Access? Thanks in advance.

When I try:java.sql.ResultSet rs_PrimaryKeys =
Database_MetaData.getPrimaryKeys(null, null,
for_TableName); with the
sun.jdbc.odbc.JdbcOdbcDriver, it's reported that "the
driver does not support this operation yet". Right, but that doesn't mean you can't work around it.
Besides,
it does not allow to do
rs_Columns.getString("sameIntValueHere");more than one time within the same rowwise iteration
of rs_Columns.next()
There's no workaround for that. It's just the nature of streams/iterators/cursors.
Any
ideas/suggestions for a workaround will be more than
gladly received! This issue is causing me headaches
for days and I've finally decided to share my
struggle here...You can work around the primary key problem.
As far as the ResultSet question goes, you should not be using ResultSets that way. Iterate through the ResultSet, load the data into an object or data structure, and close it right away in the narrowest scope possible.
%

Jdbc driver running with 32 AND 64 bits Oracle 9i version ?

I would like to be sure that a thin java jdbc driver is independent with the fact that oracle9i is running as 32 or 64 bits. Thanks

It is. It is separated by the wire protocol.

Weblogic 8.1 has type 4 JDBC driver to access oracle8.1.7

Hi,
          Does WebLogic 8.1 has a type 4 JDBC driver that can be used to access Oracle 8.1.7.2/
          BLOB data ?. Does any one have example for updateBLOB using wl type4 JDBC driver for oracle?
          Thanks,
          Anant


Anant wrote:
          > Hi,
          > Does WebLogic 8.1 has a type 4 JDBC driver that can be used to access Oracle 8.1.7.2/
          > BLOB data ?. Does any one have example for updateBLOB using wl type4 JDBC driver for oracle?
          >
          > Thanks,
          > Anant
          You might get better responses to this if you post it in
          weblogic.developer.interest.jdbc
          ~Ryan Upton

No suitable driver when connect MS SQL server from Oracle 10g using JTDS

Hi,
I have developed a java servlet application connection to MS SQL using jtds-1.2.jar. I have try to deploy this application to Oracle 9ias and it works fine.
However, when I deploy the same application to Oracle 10g (10.1.2.0.2), I encounter this error - java.sql.SQLException: No suitable driver.
I have copy the jtds-1.2.jar to Ora10g/jdbc/lib, Ora10g/j2ee/home/lib and also the Ora10g/j233/OC$J_GENERAL/applications/sampleApp/sampleApp/WEB-INF/lib folder, and also setup the data source via the EM interface. The data-source.xml entry is as follows:
<data-source location="jdbc/ess" class="com.evermind.sql.DriverManagerDataSource" xa-location="jdbc/xa/essS" ejb-location="jdbc/ess" connection-driver="net.sourceforge.jtds.jdbc.Driver" username="scott" url="jdbc:jtds:sqlserver://202.xx.xx.xx:1433/sampleDB" inactivity-timeout="30" name="ess"/>
</data-sources>
Is there any configuration that I've forgotten to set?

>
I have developed a java servlet application
connection to MS SQL using jtds-1.2.jar. I have try
to deploy this application to Oracle 9ias and it
works fine.
However, when I deploy the same application to Oracle
10g (10.1.2.0.2), I encounter this error -
java.sql.SQLException: No suitable driver.
I have copy the jtds-1.2.jar to Ora10g/jdbc/lib,
Ora10g/j2ee/home/lib and also the
Ora10g/j233/OC$J_GENERAL/applications/sampleApp/sample
App/WEB-INF/lib folder, and also setup the data
source via the EM interface.
Is there any configuration that I've forgotten to set?The JAR file needs to be in a place the container can locate it correctly. This is the applib directory for your OC4J instance.
Which I believe from what you have entered is:
Ora10g/j2ee/OC4J_GENERAL/applib
There's a general JDBC 3rd party driver set of documentation here:
http://download.oracle.com/docs/cd/B14099_11/web.1012/b14012/datasrc.htm#sthref592
This is not using jtds-1.2.jar but it shows how another set of 3rd party jdbc libs are used with the server.
-steve-

URGENT!Can I user a THIN jdbc driver to access a CLOB field from oracle 8.0.5 DB?

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