Best JDBC driver.

We are currently using MS JDBC driver, which does not perform very well. can someone suggest some other JDBC drivers? and why it's better than MS JDBC driver.
Thanks.

How do you know the JDBC driver is the problem? Have you profiled it?
What are you doing with the database?
Do your tables have proper indexes? Are the queries optimized? Have you run EXPLAIN PLAN on them?
Sure it's not network latency on your code? Could you be doing (n+1) queries by doing a SELECT and then iterating over the result instead of doing a JOIN?
You can try jTDS, but if your code is the problem it won't make any difference.
http://jtds.sourceforge.net/
%

Similar Messages

Separating native JDBC driver JAR from applet JAR - best way?

Since I want to allow the customers/users of my applet to choose their own native JDBC driver to purchase at their site, I don't bundle the JDBC driver into my applet's JAR file. During my testing, here's what I've done:
1. Deployed my applet HTML and JAR files to a web server folder.
2. Extracted my JDBC driver JAR file's contents to that same web server folder.
(My applet HTML contains 2 parameters that allow the applet to use the JDBC driver -- class name and connection string template.)
This works fine, but I'm wondering if I'm using the best techniques.
Questions:
1. Do the contents of the JDBC driver need to be extracted from its JAR file? If not, what do I do, if anything, to allow my applet to "see/find" the driver class within the JAR?
2. If the JDBC JAR file DOES need to have its contents extracted, is there a way to extract them to a central folder somewhere on the web server and have a variety of applets use them? If so, what do I need to do to make my applet "see/find" the file(s) in the central folder?
Possibly looking for this stucture on the web server:
/WebApps/JDBCfiles
/WebApps/MyDbApplet1
/WebApps/MyDbApplet2
/WebApps/MyDbApplet3
Any advice/recommendations? Thanks.

Is it possible for a client application to access a jarred JDBC driver? I'd like to deliver a JDBC driver packed in a jar file, however, it won't work, here is what I am tring to do
try {
Class.forName("mfg.jdbc.myDriver").newInstance(); //--> throw an exception
m_Connection = DriverManager.getConnection(szURL, props);
catch(Exception e) {/...}
Before class myDriver and other classes from package mfg.jdbc were jarred, a client application used to get the connection just fine, now I get an exception "java.lang.ClassNotFoundException: mfg.jdbc.myDriver"
I am using Java 2 Platform, no problem in running a jarred command like java -jar jarredclass.jar
Any tips and hints would be gratfully received!
Simon

MSSQL JDBC driver missing for installation of NW '04 SR1

Hi all,
during the installation of NW '04 SR1/EP6 on a system running MSSQL Server 2000 SP4 SAPinst crashes with the following error:
ERROR 2007-03-06 22:33:34
MDB-05800 <html>Cannot find jdbc driver for MS SQL Server</html>
I searched this forum, the notes and asked Dr. Google but to no avail. Can anybody give me a hint what's the problem, please?
Best regards,
Bernd

Thanks a lot for your help Dan! Your suggestion has shown me the right direction. As I wrote the directory you mentioned was indeed missing. I copied it from another installation and it worked.
At least it seemed to work, but I've got another problem concerning the database connection during the installation. While performing the step "Load Java Database content" SAPinst crashes again with the following output:
com.sap.inst.jload.Jload main
SEVERE: couldn't connect to DB
com.sap.sql.log.OpenSQLException: Could not load class com.ddtek.jdbc.sqlserver.SQLServerDriver.
The strange thing is that I found two different SQL driver on the machine with the working installation! One was located in the installation media directory, the files WebAS is working with are obviously another version, because they have significantly different files sizes!
Does someone have a hint which versions of SQL Server and driver files do work together?

OpenSQLException: JDBC driver not supported?

Hi @ all,
I need to connect to a DataSource with the WebAS 7 via SQLJ. As I try to connect to it with the SQL Engine set to "Vendor SQL" I get:
"The given connection "com.sap.engine.services.dbpool.cci.ConnectionHandle" is not an Open SQL connection"
As I try to get a connection to the dataSource via SQLJ with SQL Engine set to "Open SQL" or "Native SQL", I get the following Exception:
ResourceException in method ConnectionFactoryImpl.getConnection(): com.sap.engine.services.dbpool.exceptions.BaseResourceException: SQLException thrown by the physical connection: com.sap.sql.log.OpenSQLException: JDBC driver not supported for MS_SQL_SERVER database.
How can I get the SQLJ- Support?
Kind regards,
Uwe
Message was edited by:
Uwe Kunath

Hi Uwe, all,
for using Native SQL/JDBC or Open SQL/JDBC, the database itself and the JDBC driver must be recognized as being in the supported set. The answer to that depends on what you mean in detail by "Web AS 7". Roughly speaking, it should be the JDBC driver released by Microsoft.
Open SQL/SQLJ is only available with a Open SQL/JDBC data source. Hence, there is no way around using Open SQL/JDBC.
Now, Open SQL/JDBC and Open SQL/SQLJ both requires tables (and other database objects) to be deployed via the Open SQL for Java Dictionary. Up to and including WebAS Java 7.1, the Open SQL/Dictionary supports deployment to the system database, i.e. the database (and schema) used by the installed server itself.
Given the above, the JDBC driver for a Open SQL/JDBC data source must already be present, because it must be the driver used by the server itself. When defining data sources, it is referred to as "system driver".
This leaves us with a Open SQL/JDBC data source to the system schema. You can then also consider to establish a data source alias to the server's system datasource.
Hope this helps. Best Regards, Dietamr

More precise JDBC driver error messages?

Hi,
is there a way to tell the Oracle JDBC driver (9.0.2.3) to provide more detailed error messages in an SQLException message string when a table cannot be found? The usual message "Table or view does not exist" does not provide information on the actual table or view that was missing. I would like the table or view name to be included in the message provided by the SQLException.
(In general I would appreciate more detailed error information in the Oracle JDBC driver exception messages.)
Best regards Uwe

perhaps this might help:
* Get error message of an SQLException with the following form:
* 
* <code>Code=<Vendor-specific error code>:'<error message>':SQLState=<SQLState></code>
* <code>
* Note: SQLState "S1000" is returned for general errors or if driver does not support SQLState.
* @param sqlException SQLException to create error code from.
* @return Specific error message or null if sqlException not available.
public static String toString(SQLException sqlException) {
String result = null;
if (sqlException != null) {
StringBuffer sb = new StringBuffer();
while (sqlException != null) {
sb.append("RDBMS Vendor Code ");
sb.append(sqlException.getErrorCode());
sb.append(": \"");
sb.append(sqlException.getMessage());
sb.append("\" : SQLState=");
sb.append(sqlException.getSQLState());
sqlException = sqlException.getNextException();
result = sb.toString();
}//else: input unavailable
return result;
}//toString()
 * Get string representation of a SQLWarning.
 * @param sqlWarning
 * @return Specific error message or null if sqlWarning not available.
 public static String toString(SQLWarning sqlWarning) {
String result = null;
if (sqlWarning != null) {
StringBuffer sb = new StringBuffer();
while (sqlWarning != null) {
sb.append("errorCode=");
sb.append(sqlWarning.getErrorCode());
sb.append(", SQLState=");
sb.append(sqlWarning.getSQLState());
sb.append(",message=");
sb.append(sqlWarning.getMessage());
sb.append(",cause=");
sb.append(sqlWarning.getCause());
sb.append(";");
sqlWarning = sqlWarning.getNextWarning();
}//next subsequent warning
}//else: input unavailable
return result;
}//toString()

PI 7.1 and Oracle JDBC driver: missing com.sap.aii.adapter.lib.sda

Hello,
I want to deploy the JDBC driver for Oracle databases as described in OSS 1138877 on a brand-new PI7.1 (SP06 Stack) installation. Unfortunately, I can't find com.sap.aii.adapter.lib.sda on the system, so I can't add the ojdbc14.jar file and deplay it using JSPM.
Where can I get it from?
Thank you and best regards,
Herwig

hey,
The JDBC driver installation is different for PI 7.1.
The dowload/modify/deploy .sap.aii.adapter.lib.sda method was used in the earlier versions.(mentioned in the How to guides)
Look at the SAP documentation below -
http://help.sap.com/saphelp_nwpi71/helpdata/en/cf/128a42f802a01ae10000000a155106/frameset.htm
Arvind R

How can I find the JDBC Driver version

Hi,
How can I find the JDBC Driver version installed on my Sun Solaris machine which
has Weblogic Server 7.0 installed on it. Is there some kind of tool/command to
do so or does Weblogic console say something about it
Thanks
Parikshit Khanna

Parikshit Khanna wrote:
Hi,
How can I find the JDBC Driver version installed on my Sun Solaris machine which
has Weblogic Server 7.0 installed on it. Is there some kind of tool/command to
do so or does Weblogic console say something about it
Thanks
Parikshit KhannaThere is a jdbc DatabaseMetaData call getDriverVersion().
The best thing to do is to download Oracle's latest appropriate
driver from their site, and edit the start-weblogic script to
make sure the downloaded driver is ahead of any weblogic stuff in
the server's classpath. We do ship a driver, but Oracle usually
has a newer better one very soon after that...
Joe

In Trouble with the Oracle JDBC Driver version - 10.1.0.5.0

Hi !
Without any problems i'm using the Oracle JDBC Driver version - 10.1.0.3.0 to access to the
Oracle database (Oracle Database 10g Release 10.2.0.1.0 - 64bit Production).
But exchanging the JDBC Driver 10.1.0.3.0 to 10.1.0.5.0 brings up the following problem:
the statement
con.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability)
(with parameters resultSetType = 1003, resultSetConcurrency = 1007, resultSetHoldability= 1)
returns null !
while using the Oracle JDBC Driver version - 10.1.0.3.0 the statement (with same parameters)
returns a correct PreparedStatement.
Every hint or idea is welcome.
Best regards,
Claus

Duplicate post:
In Trouble with the Oracle JDBC Driver version - 10.1.0.5.0
Claus,
Pardon me if I am stating the obvious, but why don't you use the 10.2 JDBC driver with your 10.2 database? The driver is part of the database distribution. Otherwise, you can download the driver from the OTN Web site.
Good Luck,
Avi.

Java.lang.OutOfMemoryError (Microsoft SQL Server JDBC driver)

Hi everyone,
I am getting a java.lang.OutOfMemoryError when performing a simple query to a database. The query produces only one row (and will always produce only one row). However, the statement that produces the second column in the resultset is very long (>256) characters, so could that be it?
Also, I am executing thousands of SQL statements with no difficulty. I have double-checked that I am cleaning up all of my database resources, so I don't think that this is it. Do I have to do anything else besides closing the statement and resultset?
There is no stack trace, otherwise I would have posted it :(
Also, as an aside - is the Microsoft JDBC driver for SQL Server the best one to use? It seems poorly supported and slow at times. Are there any alternatives?
Thanks for your time :)
Ben

It is running after thousands of other queries. I'll test to see what happens if I run it by itself.
I am closing the connection. In fact, I am running all of these statements over the same connection and simply opening and closing resultsets.
So a bug in the driver you think?
Thanks for the reply :)
Ben

Choosing jdbc driver for Oracle 9.0.1 with sdk 1.4.1?

Hi all experts...
I am really beating my head over this... I had java sdk 1.3.1 installed and i am writing an application for oracle database 9.0.1 The driver i had was a classes12.zip file that i included in the classpath to run the application.
Now, i have upgraded my java to 1.4.1 but my application is not picking up the zip file anymore! I am getting No suitable driver:08001 error and NoClassDefFoundError. I checked the oracle website, they dont have a 9.0.1 driver for sdk 1.4.
Is my current driver compatible?
Do i have to upgrade my oracle DB to 9.2 and use another driver?
Or is just one of those classpath problems?
Part of my code is given below:
private static Statement createStatement(String driver, String url, String user, String password)throws IllegalArgumentException, SQLException, ClassNotFoundException
if (url == null || driver == null)
 throw new IllegalArgumentException("No database specified");
try
Class.forName(driver);
catch(ClassNotFoundException e)
System.out.println("Class not found: "+driver);
conn = DriverManager.getConnection(url, user, password);
return conn.createStatement();
CLASSPATH=C:\projects\MauiWSxml\resources\classes12.zip;
I will be grateful to any help ...Pleeeeessseeee
Thanks in advance

Great progress! Excellent!
I'd recommend that you get rid of that CLASSPATH system variable immediately. Don't use it anymore.
I don't know what code you're using, but I KNOW that what I'm posting next will work:
import java.sql.*;
import java.util.*;
public class DataConnection
 public static final String DEFAULT_DRIVER = "sun.jdbc.odbc.JdbcOdbcDriver";
 public static final String DEFAULT_URL = "jdbc:odbc:DRIVER={Microsoft Access Driver (*.mdb)};DBQ=c:\\Edu\\Java\\Forum\\DataConnection.mdb";
 public static final String DEFAULT_USERNAME = "admin";
 public static final String DEFAULT_PASSWORD = "";
 /** Database connection */
 private Connection connection;
 * Driver for the DataConnection
 * @param command line arguments
 * <ol start='0'>
 * <li>SQL query string</li>
 * <li>JDBC driver class</li>
 * <li>database URL</li>
 * <li>username</li>
 * <li>password</li>
 * </ol>
 public static void main(String [] args)
 DataConnection db = null;
 try
 if (args.length > 0)
 String sql = args[0];
 String driver = ((args.length > 1) ? args[1] : DEFAULT_DRIVER);
 String url = ((args.length > 2) ? args[2] : DEFAULT_URL);
 String username = ((args.length > 3) ? args[3] : DEFAULT_USERNAME);
 String password = ((args.length > 4) ? args[4] : DEFAULT_PASSWORD);
 db = new DataConnection(driver, url, username, password);
 Object result = db.executeSQL(sql);
 System.out.println(result);
 else
 System.out.println("Usage: db.DataConnection <sql> <driver> <url> <username> <password>");
 catch (SQLException e)
 System.err.println("SQL error: " + e.getErrorCode());
 System.err.println("SQL state: " + e.getSQLState());
 e.printStackTrace(System.err);
 catch (Exception e)
 e.printStackTrace(System.err);
 finally
 if (db != null)
 db.close();
 db = null;
 * Create a DataConnection
 * @throws SQLException if the database connection fails
 * @throws ClassNotFoundException if the driver class can't be loaded
 public DataConnection() throws SQLException,ClassNotFoundException
 this(DEFAULT_DRIVER, DEFAULT_URL, DEFAULT_USERNAME, DEFAULT_PASSWORD);
 * Create a DataConnection
 * @throws SQLException if the database connection fails
 * @throws ClassNotFoundException if the driver class can't be loaded
 public DataConnection(final String driver,
 final String url,
 final String username,
 final String password)
 throws SQLException,ClassNotFoundException
 Class.forName(driver);
 this.connection = DriverManager.getConnection(url, username, password);
 * Clean up the connection
 public void close()
 try
 this.connection.close();
 catch (Exception e)
 ; // do nothing; you've done your best
 * Execute ANY SQL statement
 * @param SQL statement to execute
 * @returns list of row values if a ResultSet is returned,
 * OR an altered row count object if not
 * @throws SQLException if the query fails
 public Object executeSQL(final String sql) throws SQLException
 Object returnValue = null;
 Statement statement = this.connection.createStatement();
 boolean hasResultSet = statement.execute(sql);
 if (hasResultSet)
 ResultSet rs = statement.getResultSet();
 ResultSetMetaData meta = rs.getMetaData();
 int numColumns = meta.getColumnCount();
 List rows = new ArrayList();
 while (rs.next())
 Map thisRow = new LinkedHashMap();
 for (int i = 1; i <= numColumns; ++i)
 String columnName = meta.getColumnName(i);
 Object value = rs.getObject(columnName);
 thisRow.put(columnName, value);
 rows.add(thisRow);
 rs.close();
 statement.close();
 returnValue = rows;
 else
 int updateCount = statement.getUpdateCount();
 returnValue = new Integer(updateCount);
 return returnValue;
}Put this code in a directory with your classes12.zip. Type:
javac -d . -classpath classes12.zip DataConnection.javaYou should get a DataConnection.class file in that directory. Then type:
java -classpath classes12.zip DataConnection <sql> oracle.jdbc.driver.OracleDriver jdbc:oracle:thin:@<host>:1521:<database> <username> <password>where <sql> is any SQL statement that will work against your Oracle instance, <host> is the database server, <database> is the Oracle instance, <username> and <password> give you access to Oracle. (DON'T type the chevons <> - I just included them for illustration.)
If that won't connect, change the name of classes12.zip to classes12.jar and try again.
This WILL work. - MOD

NullPointerException in Class oracle.jdbc.driver.PhysicalConnection

Can anybody help me? We try to build a STRUCT by using the Class oracle.spatial.geometry.JGeometry for save this in a Oracle Database at runtime. Since we changed to Oracle IAS 10.1.2.0.2 we got the following error by doing that:
java.lang.NullPointerException
 at oracle.jdbc.driver.PhysicalConnection.isDescriptorSharable(PhysicalConnection.java:5078)
 at oracle.sql.ARRAY.<init>(ARRAY.java:118)
 at oracle.spatial.geometry.JGeometry.store(JGeometry.java:1289)
 at de.jogwart.database.ORCL2GeometryHelpers.A(Unknown Source)
Does anybody know this mistake? Does anybody know what the methode "isDescriptorSharable" do?

Hi!
I'm facing the same problem. Do you solve this issue?
Best regards,
Gerardo

Class Not found : oracle.jdbc.driver.OracleDriver when calling web service

Hi,
I have installed the Oracle Data Integrator Public Web Services on Apache Tomcat 5.5 application server with Apache Axis2
When I try to call the web service OdiInvoke using the operation "listScenario" using only the JdbcDriver as input parameter, the response I get back from the web service call is:
java.lang.ClassNotFoundException: Class Not found : oracle.jdbc.driver.OracleDriver
Using the operator "getWebServiceVersion" I get a successfull response back som the connection seems fine.
Obviously the error has to do with the driver not beeing available but where should I put the driver? Or how do I make it available? When working from Topology Manager, all connections are fine.
Best regards
M

Solved it on my own by putting ojdbc14.jar in the following directory: <Apache-Tomcat install dir>/webapps/axis2/WEB-INF/lib/
Thought I'd share in case some one else has same issue
/M

Query TImeout with ORACLE JDBC driver

I want to halt an execution of query if an query takes more than specified time. Not only the query should be cancelled but the error should be thrown at client. I am using ORACLE 11g JDBC driver.
I have used statement.setQueryTimeout() for the same. Moreover, my application is an OLTP system handling thousands of calls per second and one call is of 4 to 5 queries. Can anyone explain whether querytimeout will work in this case and its drawbacks if any.

Dear user10366531,
Your question about setQueryTimeout() has been already disscussed in this topic (Setup "QueryThreshold" parameter
(Chris Jenkins aswered).
Best regards,
Gennady

JDBC driver error to connect to an MS Access DB

Hi All,
We have created a file to JDBC scenario on XI 3.0. My XI server is on a Linux server and the db the receiver CC is trying to connect to is an MS Access 2007.
The CC parameters are configured as follow:
JDBC Driver: jdbc.odbc.JdbcOdbcDriver
Connection: jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=
xxxxxx\xxxxx\Test.mdb
On the communication monitoring we are getting the following error message:
Error when attempting to get processing resources: com.sap.aii.af.service.util.concurrent.ResourcePoolException: Unable to create new pooled resource: DriverManagerException: Cannot establish connection to URL 'jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=
xxxxxx\xxxxx\Test.mdb': java.lang.NullPointerException
In regards with the above message and after reviewing several posts, I have two questions I would like to confirm with you:
a- Do I have to perform a JDBC driver deployment to connect to a MS Access DB? If so, which one.
b- Is there a suitable JDBC driver on Linux to connect to a MS Access DB? If there is not such a driver, Is there any available workaround for this?
Please, let us know your recommendations about this or what I should check to identify the cause of the above error.
Thanks and best regards

Hi All, in order to discard any possible issue between Linux and MS access connection, we are currently in the process on configuring a J2SE Plain Adapter Engine on a Windows environment. However, after configuring a JDBC receiver scenario we are getting the following error message in the adapter logs:
Classname=com.sap.aii.messaging.adapter.ModuleXMB2DB
Version=30
Mode=XMB2DB_XML
XI.httport=xxxx
XI.httpService=/db/receiver
db.jdbcDriver=sun.jdbc.odbc.JdbcOdbcDriver
db.connectionURL=jdbc:odbc:Driver={Microsoft Acces Driver (*.mdb)};=<Path to the mdb file>
Error log
15:50:23 (4311): ERROR: Attempt to access JDBC connection failed with "[Microsoft][ODBC Microsoft Access Driver]Optional feature not implemented"
Attempt to initialize JDBC adapter failed
15:50:23 (4340): JDBC adapter initialized with database error. Proceed
15:50:23 (4303): JDBC adapter listener started
Then, the Mode parameter was changed to XMB2DB and the error log is as follow:
15:36:14 (4315): ERROR: Attempt to initialize transform class com.sap.aii.messaging.adapter.Payload2DBBinding failed with exception com.sap.aii.messaging.adapter.trans.TransformException: Error 'com.sap.aii.messaging.adapter.trans.TransformException: Error: Parameter 'db.table' missing' initializing class payload2DBBinding
15:36:14 (4304): Unable to start JDBC adapter (not initialized)
According to our scenario the required mode would be XMB2DB_XML. Could you please let us know the cause of the u201COptional feature not implementedu201D error message is?
The following data may be helpful:
OS version: Windows 2003 Server SP2
JRE (1.6.0_16-b01)
Weu2019ll wait for your recommendations.
Thanks and best regards

WLS 8.1 Type 4 JDBC Driver SQL Server sp_prepare/sp_execute

Hello,
I have a question regarding performance troubleshooting in a production situation using the WLS 8.1 Type 4 JDBC Driver for SQL Server and SQL Server 2000.
This driver compiles a sql statement on the sql server using sp_prepare(), saving a handle to it. It will execute the statement using sp_execute(). Subsequent uses of the same statement will skip the sp_prepare(), and just call sp_execute(). So, ideally, for a particular statement, you should see one sp_prepare, and a lot of sp_execute's.
My WLS app is running along in production, and I detect a performance problem of some sort on the sql server, such as excessive IO, or blocking.
I turn on the sql server profiler, and I can see a bunch of
sp_execute 123, 'one', 'two'
sp_execute 123, 'foo', 'bar'
with bad IO. How do I determine what the original SQL was that was used in the sp_prepare?
The only way I can see to do this is to have the sql server profiler always running to catch every sp_prepare. I can't believe that this is a best practice.
How are you all handling this type of situation?
Thanks,
Dave

Dave Ballard wrote:
Hi Joe,
Thanks for the suggestions. The main issue I have with both is that they
require a server restart to enable. Can't do that on my production system.
The best I've come up with since I posted is to locate the poor
performer/blocker real-time via sysprocesses, then use the sqlhandle column
to call fn_get_sql to get at least some of the sql submitted with sp_prepare().
Not pretty and difficult to do on a busy system.
What's bugging me about the sp_prepare/sp_execute technique used by the driver is:
1) sp_prepare/sp_execute don't seem to be documented anywhereThey are internal to SQLServer, so it'd be MS to document them or not.
2) It is at best inconvenient to have to troubleshoot performance issues (requiring
a server config change, server restart, and manual reconcile of two different,
possibly very large, logs based on timestamp).
Your idea to disable the stored procedure cache is interesting, but still requires
a server restart to enable, and another to disable.
To me this is a large step backwards in manageability of my system. What I don't
understand is that I don't see much discussion about this topic on any forums,
so I wonder if I'm just missing something here (maybe everyone's using Oracle).No, the same sorts of issues would be needed with Oracle. DBMSes must make tradeoffs
between normal-case runtime performance, and the instrumentation that would be needed
to simultaneously monitor performance problems.
Joe
>
Thanks,
Dave

Best JDBC driver.

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