Oracle JDBC Drivers with Tomcat

I try to connect to Oracle DB with the JDBC Drivers throught Tomcat JNDI access.
I've tried with the oracle.jdbc.driver.OracleDriver and I have an UnsupportedOperationException when calling the getConnection() method on ma dataSource ref.
So I've tried with the oracle.jdbc.pool.OracleConnectionPoolDataSource and I have an java.sql.SQLException:
Cannot create JDBC driver of class
'oracle.jdbc.pool.OracleConnectionPoolDataSource' for connect URL
'jdbc:oracle:thin:@(description=(address=(host=meditws322)(protocol=tcp)(port=1521)
)(connect_data=(sid=HABILLE)))'
Please help I'm about to break down

Thanks for your reply. I use Oracle JDBC driver. The XSQLConfig.xml was changed to have the following setting:
<connection-manager>
<factory>oracle.xml.xsql.XSQLOracleDatasourceConnectionManager</factory>
</connection-manager>
I'm using Tomcat 4.1.x and Apache Commons DBCP Datasources with org.apache.commons.dbcp.BasicDataSourceFactory. The configuration file does set driverClassName to oracle.jdbc.driver.OracleDriver. All other queries embedded in .xsql files work great, I only have issues with queries containing CURSOR() statements. If I switch back to built-in database connectivity, by changing XSQLConfig.xml and connection parameters in .xsql files everything is working again. When I attempt to use DataSources, I get things like this "oracle.jdbc.driver.OracleResultSetImpl@15780d9" instead of nested XML. The non-nested portion of XML looks fine also, so it is retrieving the data from the database properly. Please let me know if I can provide any additional information that could help in resolving this. Thanks in advance!
-M-

Similar Messages

Mysql jdbc drivers with tomcat?

I am having trouble getting mySQL drivers to work on Tomcat. I have used the driver before with iPlanet Web Server, but I can't seem to get it to work with Tomcat. I am getting this error:
org.apache.jasper.JasperException: In <driver>, invalid driver class name: "org.gjt.mm.mysql.Driver"
The jar for the driver is in my WEB-INF/lib directory of my webapp. Seems like it isn't picking up the jar in the classpath. It was my understanding that jars in this dir were loaded automatically. Is there some way to log the classpath loaded in Tomcat?

run this in one of your jsps and see whats in your classpath.
System.getProperty("java.class.path",".");
I've never a had a problem with it before, but I'm using
mysql-connector-java-2.0.14

Bug in Oracle JDBC Drivers with {ts ?}

Oracle fails to set bind variables correctly when using the {ts ?} in an insert. It works ok if you use {d ?}.
Ex:
String st = "INSERT INTO BL(NM,TSTAMP) VALUES (?,{ts ?} )";
System.out.println(dbConn.nativeSQL(st));
java.sql.PreparedStatement stmt = dbConnn.prepareStatement(st);
stmt.setString(1,"test");
stmt.setString(2,"2000-08-18 09:33:45");
int xx = stmt.executeUpdate();
Oracle Reports:
INSERT INTO BL (NM,TSTAMP) VALUES (:1,TO_DATE (?, 'YYYY-MM-DD HH24:MI:SS'))
ConnectionPoolManager failed:java.sql.SQLException: ORA-00911: invalid character
Notice the ? doesn't change to :2.
Whoops.
Also when does Oracle plan to implement {fn }
scalars. There are work arounds but they are not portable. If not soon we will switch our suggested database for our clients.
null

Horea
In the ejb-jar.xml, in the method a cursor is closed, set <trans-attribute>
to "Never".
<assembly-descriptor>
<container-transaction>
<method>
<ejb-name></ejb-name>
<method-name></method-name>
</method>
<trans-attribute>Never</trans-attribute>
</container-transaction>
</assembly-descriptor>
Deepak
Horea Raducan wrote:
Is there a known bug in Oracle JDBC thin driver version 8.1.6 that would
prevent it from closing the open cursors ?
Thank you,
Horea

Oracle JDBC Drivers 8.1.6.0.1

In the readme file of Oracle JDBC drivers 8.1.6.0.1 (http://technet.oracle.com/software/tech/java/sqlj_jdbc/files/Readme_01.txt)
it mentioned that it supports "connection pooling" and "distributed transactions".
Later on in the same file under "Oracle JDBC Connection Caching", it says it "facilitates" users in their own connection pooling. Does this mean there is not complete implementation of connection pooling in the driver and users has to do the work themselves?
null

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by JDBC_TX ():
In the readme file of Oracle JDBC drivers 8.1.6.0.1 (http://technet.oracle.com/software/tech/java/sqlj_jdbc/files/Readme_01.txt)
it mentioned that it supports "distributed transactions".
As I understand, JDBC transaction is connection based and uses Oracle internal transaction manager. In order to do "distributed transactions", I must have at least two connections open at the same time each to its own database instance. How does the two connections coordinate the transactions? I thought in order to support "distributed transactions", one has to build a higher layer to encapsulate the two connections and therefore coordinate the distributed transactions. Any examples will be welcome.<HR></BLOCKQUOTE>
The two branches of the transaction are coordinated using 2-phase commit.
For samples look under
$ORACLE_HOME/jdbc/demo/samples/oci8/jdbc20-samples/
null

Is in ORACLE JDBC drivers connection pooling support

Hi All!
Can anybody give me information about subj?
Any information appreciated

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Mike:
Hi All!
Can anybody give me information about subj?
Any information appreciated<HR></BLOCKQUOTE>
Yes, Oracle JDBC drivers do support connection pooling. Download the latest drivers to get samples and refer doc for more details.

Workaround for using Oracle JDBC extension with WLS pooling

Reading the newsgroup I saw that many of us encountered the problems
with ClassCastException when tried to use Oracle JDBC extension
with WLS pooling. I also had.
In this case BEA recommends to use dangerous
method getVendorConnection() which exposes
the physical connection object to your code.
Yes it's really dangerous because of unsafe usage may breaks
WLS pooled connection(s).
Moreover, this practice will make your JDBC code
unportable (your JDBC code in addition to Oracle dependence
became Weblogic dependent):
void doSmth() {
Connection con = ...;
Connection vCon = ((WLConnection)con).getVendorConnection();
// + mess of usage con in one places and vCon in others
// (where Oracle extensions are needed)
// !Don't forget to don't close vCon!
Sux.
I found the workaround.
Introduction
============
Yes the real cause of ClassCastException is that
in depth of Oracle driver the casting
to class oracle.jdbc.driver.OracleConnection
(not to interface oracle.jdbc.OracleConnection)
is performed.
Someone can say that this is bug or pure desing.
Weblogic pooled connection provide dynamic
implementation for all public interfaces
which real physical (wrapped) connection object implements.
Great feature!
But I guess that all interface methods implemented
by simple call-delegation to physical (wrapped) connection object.
In case of oracle.jdbc.OracleConnection interface
this approach doesn't work for at least one its method:
public OracleConnection unwrap()
WLS pooled connection shoudn't implement this method by
delegation to physical connection object BUT should
return physical connection object itself!
// Wrong implementation of unwrap()
// delegation is used
public OracleConnection unwrap() {
return physicalConnection.unwrap();
// Right implementation of unwrap()
// physical connection returned
public OracleConnection unwrap() {
return physicalConnection;
Workaround
==========
1. Develop your own OracleConnection wrapper class:
import oracle.jdbc.OracleConnection;
import weblogic.jdbc.extensions.WLConnection;
public class MyOracleConnectionImpl implements OracleConnection {
private OracleConnection con;
public MyOracleConnectionImpl(OracleConnection connection)
throws SQLException
this.con = connection;
public OracleConnection unwrap() {
return (OracleConnection)
((WLConnection)con).getVendorConnection();
/* Implement all other methods by delegation to con object */
2. Don't get Connections directly from DataSource --
develop your own simple (may be static) utility
class which retrives Connections from dataSource
and returns them wrapped into your MyOracleConnectionImpl
to your code from some method:
puclic abstract class MyConnectionSource {
public static Connection getConnection() {
Connection con = // get it from DataSource
return new MyOracleConnectionImpl((OracleConnection)con);
3. Add attribute RemoveInfectedConnectionsEnabled="false"
to definition of your JDBCConnectionPool within config.xml
You may do it because of you `safely` use vendorConnection --
you don't expose it to application code.
4. Enjoy the Oracle JDBC extensions in your code!
Example:
Connection con = MyConnectionSource.getConnection;
ArrayDescriptor add =
ArrayDescriptor.createDescriptor("your_type", con);
Hope it helps to someone.
Best regards,
Eugene Voytitsky

Hello Eugene Voytitsky,
Thanks Eugene Voytitsky for your idea
I have tried the solution suggested by You, but it did not work.
It still throws ClassCastException.
I am sorry for posting the whole code of two classes below.
I did this to give you more clarity.
I am also indicating the place where the exception was thrown..
Please let me know if I am doing something wrong.
OracleConnection Wrapper class
package ejbTesting;
// sql imports
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
// util imports
import java.util.Map;
import java.util.Properties;
// imports from Oracle Driver Classes
import oracle.jdbc.OracleConnection;
import oracle.jdbc.OracleOCIFailover;
import oracle.jdbc.OracleSavepoint;
// import from Weblogic extensions
import weblogic.jdbc.extensions.WLConnection;
public class WeblogicConnectionWrapper implements OracleConnection
     // oracle connection object
     private OracleConnection connection;
     public WeblogicConnectionWrapper (OracleConnection orclConnection)
          try
               this.connection = orclConnection;
          catch(Exception unexpected )
               unexpected.printStackTrace();
     public OracleConnection unwrap()
          try
          // The datasource returns a weblogic.jdbc.pool.Connection
          // This needs to be type casted to weblogic.jdbc.extensions.WLConnection
          // Only this weblogic.jdbc.extensions.WLConnection CAN BE type casted
          // to OracleConnection
     return (OracleConnection) ((WLConnection) connection).getVendorConnection();
     catch(Exception sqlException )
          sqlException.printStackTrace ();
          return null;
     /* Implement all other methods by delegation to connection object */
public Connection _getPC()
return connection._getPC();
public void archive(int i, int j, String s)
throws SQLException
connection.archive(i, j, s);
public void assertComplete()
throws SQLException
connection.assertComplete();
public void clearWarnings()
throws SQLException
connection.clearWarnings();
public void close()
throws SQLException
connection.close();
public void commit()
throws SQLException
connection.commit();
public Statement createStatement()
throws SQLException
return connection.createStatement();
public Statement createStatement(int i, int j)
throws SQLException
return connection.createStatement(i, j);
public boolean getAutoClose()
throws SQLException
return connection.getAutoClose();
public boolean getAutoCommit()
throws SQLException
return connection.getAutoCommit();
public CallableStatement getCallWithKey(String s)
throws SQLException
return connection.getCallWithKey(s);
public String getCatalog()
throws SQLException
return connection.getCatalog();
public boolean getCreateStatementAsRefCursor()
return connection.getCreateStatementAsRefCursor();
public int getDefaultExecuteBatch()
return connection.getDefaultExecuteBatch();
public int getDefaultRowPrefetch()
return connection.getDefaultRowPrefetch();
public Object getDescriptor(String s)
return connection.getDescriptor(s);
public boolean getExplicitCachingEnabled()
throws SQLException
return connection.getExplicitCachingEnabled();
public boolean getImplicitCachingEnabled()
throws SQLException
return connection.getImplicitCachingEnabled();
public boolean getIncludeSynonyms()
return connection.getIncludeSynonyms();
public Object getJavaObject(String s)
throws SQLException
return connection.getJavaObject(s);
public DatabaseMetaData getMetaData()
throws SQLException
return connection.getMetaData();
public Properties getProperties()
return connection.getProperties();
public boolean getRemarksReporting()
return connection.getRemarksReporting();
public boolean getRestrictGetTables()
return connection.getRestrictGetTables();
public String getSQLType(Object obj)
throws SQLException
return connection.getSQLType(obj);
public String getSessionTimeZone()
return connection.getSessionTimeZone();
public int getStatementCacheSize()
throws SQLException
return connection.getStatementCacheSize();
public PreparedStatement getStatementWithKey(String s)
throws SQLException
return connection.getStatementWithKey(s);
public int getStmtCacheSize()
return connection.getStmtCacheSize();
public short getStructAttrCsId()
throws SQLException
return connection.getStructAttrCsId();
public boolean getSynchronousMode()
return connection.getSynchronousMode();
public int getTransactionIsolation()
throws SQLException
return connection.getTransactionIsolation();
public Map getTypeMap()
throws SQLException
return connection.getTypeMap();
public String getUserName()
throws SQLException
return connection.getUserName();
public boolean getUsingXAFlag()
return connection.getUsingXAFlag();
public SQLWarning getWarnings()
throws SQLException
return connection.getWarnings();
public boolean getXAErrorFlag()
return connection.getXAErrorFlag();
public boolean isClosed()
throws SQLException
return connection.isClosed();
public boolean isLogicalConnection()
return connection.isLogicalConnection();
public boolean isReadOnly()
throws SQLException
return connection.isReadOnly();
public String nativeSQL(String s)
throws SQLException
return connection.nativeSQL(s);
public Object openJoltConnection(String s, short word0, short word1)
return connection.openJoltConnection(s, word0, word1);
public void oracleReleaseSavepoint(OracleSavepoint oraclesavepoint)
throws SQLException
connection.oracleReleaseSavepoint(oraclesavepoint);
public void oracleRollback(OracleSavepoint oraclesavepoint)
throws SQLException
connection.oracleRollback(oraclesavepoint);
public OracleSavepoint oracleSetSavepoint()
throws SQLException
return connection.oracleSetSavepoint();
public OracleSavepoint oracleSetSavepoint(String s)
throws SQLException
return connection.oracleSetSavepoint(s);
public int pingDatabase(int i)
throws SQLException
return connection.pingDatabase(i);
public CallableStatement prepareCall(String s)
throws SQLException
return connection.prepareCall(s);
public CallableStatement prepareCall(String s, int i, int j)
throws SQLException
return connection.prepareCall(s, i, j);
public CallableStatement prepareCallWithKey(String s)
throws SQLException
return connection.prepareCallWithKey(s);
public PreparedStatement prepareStatement(String s)
throws SQLException
return connection.prepareStatement(s);
public PreparedStatement prepareStatement(String s, int i, int j)
throws SQLException
return connection.prepareStatement(s, i, j);
public PreparedStatement prepareStatementWithKey(String s)
throws SQLException
return connection.prepareStatementWithKey(s);
public void purgeExplicitCache()
throws SQLException
connection.purgeExplicitCache();
public void purgeImplicitCache()
throws SQLException
connection.purgeImplicitCache();
public void putDescriptor(String s, Object obj)
throws SQLException
connection.putDescriptor(s, obj);
public void registerApiDescription(String s, short word0, short word1, String
s1)
connection.registerApiDescription(s, word0, word1, s1);
public void registerSQLType(String s, Class class1)
throws SQLException
connection.registerSQLType(s, class1);
public void registerSQLType(String s, String s1)
throws SQLException
connection.registerSQLType(s, s1);
public void registerTAFCallback(OracleOCIFailover oracleocifailover, Object
obj)
throws SQLException
connection.registerTAFCallback(oracleocifailover, obj);
public void rollback()
throws SQLException
connection.rollback();
public void setAutoClose(boolean flag)
throws SQLException
connection.setAutoClose(flag);
public void setAutoCommit(boolean flag)
throws SQLException
connection.setAutoCommit(flag);
public void setCatalog(String s)
throws SQLException
connection.setCatalog(s);
public void setCreateStatementAsRefCursor(boolean flag)
connection.setCreateStatementAsRefCursor(flag);
public void setDefaultExecuteBatch(int i)
throws SQLException
connection.setDefaultExecuteBatch(i);
public void setDefaultRowPrefetch(int i)
throws SQLException
connection.setDefaultRowPrefetch(i);
public void setExplicitCachingEnabled(boolean flag)
throws SQLException
connection.setExplicitCachingEnabled(flag);
public void setImplicitCachingEnabled(boolean flag)
throws SQLException
connection.setImplicitCachingEnabled(flag);
public void setIncludeSynonyms(boolean flag)
connection.setIncludeSynonyms(flag);
public void setReadOnly(boolean flag)
throws SQLException
connection.setReadOnly(flag);
public void setRemarksReporting(boolean flag)
connection.setRemarksReporting(flag);
public void setRestrictGetTables(boolean flag)
connection.setRestrictGetTables(flag);
public void setSessionTimeZone(String s)
throws SQLException
connection.setSessionTimeZone(s);
public void setStatementCacheSize(int i)
throws SQLException
connection.setStatementCacheSize(i);
public void setStmtCacheSize(int i)
throws SQLException
connection.setStmtCacheSize(i);
public void setStmtCacheSize(int i, boolean flag)
throws SQLException
connection.setStmtCacheSize(i, flag);
public void setSynchronousMode(boolean flag)
connection.setSynchronousMode(flag);
public void setTransactionIsolation(int i)
throws SQLException
connection.setTransactionIsolation(i);
public void setTypeMap(Map map)
throws SQLException
connection.setTypeMap(map);
public void setUsingXAFlag(boolean flag)
connection.setUsingXAFlag(flag);
public void setWrapper(OracleConnection oracleconnection)
connection.setWrapper(oracleconnection);
public void setXAErrorFlag(boolean flag)
connection.setXAErrorFlag(flag);
public void shutdown(int i)
throws SQLException
connection.shutdown(i);
public void startup(String s, int i)
throws SQLException
connection.startup(s, i);
Util class to get Wrapped Connections from
datasource
package ejbTesting;
// j2ee imports
import javax.naming.InitialContext;
import javax.sql.DataSource;
// sql imports
import java.sql.Connection;
// imports from Oracle Driver Classes
import oracle.jdbc.OracleConnection;
* Wrapper class for the DataSource Connection from Weblogic pool
public class DataSourceConnectionWrapper
     // datasource variable
     private static transient DataSource datasource = null;
     private static String dbName = "jdbc/workbench";
* Method that returns the database connection
     public static Connection getConnection()
          try
               // initialsing the datasource object
               initialiseDataSource ();
               // Getting a connection from the datasource
               Connection con = datasource.getConnection( );
               // wrapping it custom wrapper class and
               // returning the connection object
               return new WeblogicConnectionWrapper((OracleConnection)con);
          catch(Exception exception )
               exception.printStackTrace();
               return null;
     private static void initialiseDataSource( ) throws Exception
if ( datasource == null )
try
InitialContext ic = new InitialContext( );
datasource = (DataSource) ic.lookup( dbName );
catch (Exception ne )
throw new Exception( "NamingException while looking up DataSource with
JNDI name" +
dbName + ": \n" + ne.getMessage( ) );
Exception Stack Trace
The line 46 in DataSourceConnectionWrapper
corresponds to
return new WeblogicConnectionWrapper((OracleConnection)con);
Which I feel is logical as the connection which we get from Weblogic
datasource cannot be type casted to OracleConnection
java.lang.ClassCastException: weblogic.jdbc.pool.Connection
at ejbTesting.DataSourceConnectionWrapper.getConnection(DataSourceConnectionWrapper.java:46)

Oracle JDBC Drivers

We are extracting blobs from an 8.05 database. The following statement works only with an older driver for a version I'm not sure whar it is(size is 1419KB, date is 11/3/00 at 9:25AM).
Nothing special in the sql just extracting the column.
pBlob = (oracle.sql.BLOB)rset.getObject(1);
This works fine with the above mentioned driver. All other drivers I have tested 8.15 for 8i, 8.05, 7.34, 8.04, etc. all give the network datatype unsupported error at this statement. I tried the various examples but they were for the oci8 drivers and did not work with thin.
We use the thin(type 4) driver.
Do the new drivers not support the BLOB type for thin?
Does anyone know which driver version and database that the one I described is from?
Thanks.

user452131,
Yes, there are differences between the Oracle 8i JDBC drivers and the Oracle 9i JDBC drivers.
If you haven't already done so, I suggest perusing the following Web page:
http://www.oracle.com/technology/tech/java/sqlj_jdbc/index.html
Good Luck,
Avi.

Oracle jdbc drivers - cannot resolve symbol

while i'm not new to java, i am new to jdbc. need to connect a java app to an oracle database (hosted by a 3rd party). i have all the connection info. i've crafted a test program, but cannot get it to compile.
here's the code:
import java.sql.*;
public class SimpleJDBC
     public static void main(String[] args) throws SQLException, ClassNotFoundException
     Class.forName(oracle.jdbc.driver.OracleDriver);
     System.out.println("Driver loaded");
     Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@database.host:1521:class"); //, "username", "password");
     System.out.println("Database connected");
     Statement statement = conn.createStatement();
     ResultSet results = statement.executeQuery("select first_name, last_name from user_tbl where last_name = 'Kendall'");
     while(results.next())
          System.out.println(results.getString(1) + "\t" + results.getString(2));
     conn.close();
}i've set the classpath to the location of the ojdbc14.jar, and it shows in the classpath when i do a "set" on the cmd line. i've tried it in netbeans, eclipse, and straight cmd line.
i always come up with the same message (cannot resolve symbol) on the line where i call Class.forName(oracle.jdbc.driver.OracleDriver);.
i've tried compiling and setting the classpath at the same time. i added the ojdbc14.jar to the compile/build paths in both the ides. i even tried using the old classes12.jar. nothing has worked.
i can't figure out what else there is. within the ides, the intellisense will actually let me put that line in (piece by piece), but then it shows an error.
any suggestions?

Place the string name of the driver in quotes.
- Saish

Oracle jdbc driver with debug capability

I have been using MagicDraw UML to reverse engineer DDL and UML classes from Oracle databases. I recently loaded some public domain hydrology data using FEM, a geophysical data translation tool. After doing this, I get:
Parsing failed (Oracle - sample) ORA-00942: table or view does not exist
registerDriver: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@331fd8]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@93068a]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@f18070]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@17b9223]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@107eafc]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@f2a824]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@53d29b]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@27d525]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@15d84e0]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@792357]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@1f92ac0]
skipping: driver[className=oracle.jdbc.driver.OracleDriver,oracle.jdbc.driver.OracleDriver@517dc]
Oracle Jdbc tracing is not avaliable in a non-debug zip/jar file
SQLException: SQLState(42000) vendor code(942)
MagicDraw support has suggested that I use jar or zip that provides debug capability. Where can I find such a driver?

In the Downloads section, there are the regular JDBC drivers (i.e. ojdbc14.zip) and the debug JDBC drivers (i.e. ojdbc14_g.zip).
Justin
Distributed Database Consulting, Inc.
www.ddbcinc.com/askDDBC

Using Oracle8 JDBC Drivers with WebLogic 5.1

We are currently using the BEA WebLogic 5.1 application server and Oracle 8.0.4. We are using the JDBC OCI driver that came out-of-the-box with the WebLogic software. However, we would like to use the driver developed by Oracle, instead.
Does the Oracle8 JDBC driver (both type 2 and type 4) interoperate with WebLogic 5.1? If not, what are the problems that prohibit them being used together?
Thanks... Steve Bursch

Summarizing from previous threads on this forum (I have not run this configuration myself):
The main issue is that you will not be able to use Oracle-specific functionality from the Oracle driver.
This includes all types in oracle.sql, or any APIs on oracle.jdbc.driver.OracleXxxx classes, or JPublisher-generated wrappers for SQL Object Types, collections, or REFs.
Also, since Oracle does not support side-channel result sets, but requires explicit REF CURSOR out parameters from stored procedures/functions, you will not be able to return REF CURSORs to the client, from stored proedures or functions - the getCursor() API that is required is Oracle-specific and not part of JDBC.
As long as you limit yourself strictly to standard JDBC types, and do not require the return of result sets from the server, you should probably be fine.

COnfiguring oracle JDBC Driver with Web Sphere

I have oracle 7.3.4(on Solaris) and IBM Web Sphere standard
Edition 2.03 (on NT) I want connect to Oracle ina Servlet. Can
any one help in configuring Oracle JDBC driver in Web
Sphere?
Thanks very much
Tom
null

I have oracle 7.3.4(on Solaris) and IBM Web Sphere standard
Edition 2.03 (on NT) I want connect to Oracle ina Servlet. Can
any one help in configuring Oracle JDBC driver in Web
Sphere?
Thanks very much
Tom
null

Does wls8.1 install with oracle jdbc drivers in the classpath by default?

I just went through the 8.1 install tonight and it looks to me like the
oracle jars are in the default weblogic classpath.
set
WEBLOGIC_CLASSPATH=%JAVA_HOME%\lib\tools.jar;%WL_HOME%\server\lib\weblogic_s
p.jar;%WL_HOME%\server\lib\weblogic.jar;%WL_HOME%\server\lib\ojdbc14.jar
Why is that? I don't have oracle, and with just learning how to use wls, it
took me a bit of time to finally figure this piece out (trying to get MySQL
drivers loaded). Not everyone has Oracle installed, so why put it on the
classpath for all servers/domains when they startup?
Thanks.

I'm not sure what the best practice is.
The Oracle driver is set in
bea/weblogic81/common/commEnv.cmd or commEnv.sh.
There is a WEBLOGIC_CLASSPATH that has the jars in it and I always
put my stuff at the beginning.
I suspect that the preferred way of doing this is to update
/bea/weblogic81/samples/domains/examples/startExamplesServer.cmd
or whatever script is used to start the server.
"Flip" <[remove][email protected]> wrote in message news:[email protected]...
Hey Stephen, thanks for the reply.
You got it to work without probs? COOL! :> Where did you stick the driver
and where did you put the jar reference (in which cmd/sh file and where
abouts in the file)? Inquiring minds want to know! :>>>> I tried looking
on the web, but I was referenced to some PRE_CLASSPATH params, as well, as
putting it into my own directories... I'm just looking to find out what dir
is the best practise to dump the jar file into and where to put the
reference in a classpath.
One small note, I do dev in WIN and run production on linux (that might
change soon, but that's another question, and another server :>).
Thanks.
PS BEA, nice domain config wizard with 8.1! Very sweet, I like the
integrated connection pool and datasource creation!
"Stephen Felts" <[email protected]> wrote in message
news:[email protected]...
The Oracle driver (client jar) is shipped in the box. Having it in theCLASSPATH makes it easier
for customers that use it.
If you don't use it and you want to use another driver, it won't get inthe way
since your alternate driver will have a different classname.
I installed and ran MySQL with no problems.
"Flip" <[email protected]> wrote in message
news:[email protected]...
I just went through the 8.1 install tonight and it looks to me like the
oracle jars are in the default weblogic classpath.
set
WEBLOGIC_CLASSPATH=%JAVA_HOME%\lib\tools.jar;%WL_HOME%\server\lib\weblogic_s
p.jar;%WL_HOME%\server\lib\weblogic.jar;%WL_HOME%\server\lib\ojdbc14.jar
Why is that? I don't have oracle, and with just learning how to usewls, it
took me a bit of time to finally figure this piece out (trying to getMySQL
drivers loaded). Not everyone has Oracle installed, so why put it onthe
classpath for all servers/domains when they startup?
Thanks.

Multithreaded clients and Oracle JDBC-drivers?

Are the thin and OCI8 drivers for Oracle multithreaded? (I know they're thread safe)
I.e. Can many threads share the same Connection object (and statement objects) to do their requests without the requests being serialized to the DB?
Sun's javadoc of package java.sql says:
We require that all operations on all the java.sql objects be multi-thread safe and able to cope correctly with having several threads simultaneously calling the same object.
Some drivers may allow more concurrent execution than others. Developers can assume fully concurrent execution; if the driver requires some form of synchronization, it will provide it. The only difference visible to the developer will be that applications will run with reduced concurrency.
For example, two Statements on the same Connection can be executed concurrently and their ResultSets can be processed concurrently (from the perspective of the developer). Some drivers will provide this full concurrency. Others may execute one statement and wait until it completes before sending the next.
One specific use of multi-threading is to cancel a long running statement. This is done by using one thread to execute the statement and another to cancel it with its Statement.cancel() method.
Restated again for Oracle; Will threads run concurrently when using the same connection and statements, or will the calls be serialized?

In the connection pool, I specified:
user
password
url
In the deployment tool (Sun Java Appl. Server 8 BE Update 1), I specified the "Resource Reference" for the EJB. This leads to the following entries in sun-ejb-jar.xml:
<res-ref-name>jdbc/pdisasdb</res-ref-name>
   <jndi-name>jdbc/pdisasdb</jndi-name>
      <default-resource-principal>
         <name>myname</name>
         <password>geheim</password>
      </default-resource-principal>
</resource-ref> The strange thing is, that now it works without this entry - but I am not gaga, yesterday it doesnt...

How to update oracle jdbc driver to 11.1.0.7.0 JDBC Drivers

HI,
I got a jdbc exception *" java.lang.ArrayIndexOutOfBoundsException "*.
I have known that it is a Oracle JDBC bug and Oracle BUG number is BUG-6396242.
The problem is too many rows per database transaction and it is fixed at version 11.1.0.7 Oracle JDBC Drivers.
Here is the 11.1.0.7 Oracle JDBC Driver Readme.
http://www.oracle.com/technetwork/database/enterprise-edition/111070-readme-083278.html
and the download
http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-111060-084321.html
My question is :
*1.How to update oracle jdbc drivers with those downloads ?*
(ps. I have replaced ojdbc5_g.jar, ojdbc5.jar, ojdbc6_g.jar, ojdbc6_g.jar in $ORACLE/jdbc, but it did'nt work. )
*2.My Oracle version is 11.1.0.6.0, will it be OK if only update the JDBC driver?*
*3.Do I need to update the jdbc driver where my program runs on the client side ?*
Thanks for answers~ :)

Upgrade your database version to 11.1.0.7.
Installation docs are included with all patches and upgrades.

Oracle10g Jdbc Drivers issue with EJB on Weblogic 7

Hi there,
We are facing a critical issue on production environment related to Oracle jdbc drivers.
We have a J2EE application with swing client. We are using MVC framework where client calls go to stateless session bean which redirect it to specific POJO which then uses Entity Beans for persistence.
We have following environment.
JDK1.4.2, Weblogic 7 with SP5, Oracle10g on AIX 5.2
Now the problem is that we were using Oracle 8 jdbc driver classes12.zip for our application. Everything was working smoothly. Recently we moved our weblogic and oracle Servers machines locations, after that movement we started to get an exception when weblogic initializing connection pool that makes connection to a different oracle10g database. Oracle supports ask us to upgrade the jdbc driver. So we moved to 10g driver ojdbc14.jar but during testing one functionality is failing with a exception where rest of application seems to be working fine. The exception occurs when we try to post a record and during the creation of a child entity bean the transactions rollback for some unknown reasons. Using the old oracle8 classes12.zip driver the same code working fine again. We have also tried the classes12.zip driver of Oracle10g but error persist. I have checked the code and deployment descriptors but they seems fine. If i comment the creation of that particular entity bean the parent bean get created successfully and transaction commit successfully. Please also note that we have not created any relation b/w both entity beans not even in the database. They both are sort of independent.
Can any one having any idea why Oracle10g driver not working or what might be the problem with our configuration. Any help will be highly appreciated. Please see the Exception below.
<Jan 29, 2008 6:03:10 PM PKT> <Info> <EJB> <010036> <Exception from ejbStore: javax.ejb.NoSuchEntityException: Instance
of bean 'SecurityRatingHistoryPost' with primary key 'com.cdc.fms.server.setup.security.ratinghistory.SecurityRatingHist
oryEntityPK@93e447fa' not found.
javax.ejb.NoSuchEntityException: Instance of bean 'SecurityRatingHistoryPost' with primary key 'com.cdc.fms.server.setup
.security.ratinghistory.SecurityRatingHistoryEntityPK@93e447fa' not found.
at com.cdc.fms.server.setup.security.ratinghistory.SecurityRatingHistoryEntityBean_7x4361__WebLogic_CMP_RDBMS.__
WL_store(SecurityRatingHistoryEntityBean_7x4361__WebLogic_CMP_RDBMS.java:2208)
at com.cdc.fms.server.setup.security.ratinghistory.SecurityRatingHistoryEntityBean_7x4361__WebLogic_CMP_RDBMS.ej
bStore(SecurityRatingHistoryEntityBean_7x4361__WebLogic_CMP_RDBMS.java:2012)
at weblogic.ejb20.manager.DBManager.storeBean(DBManager.java(Compiled Code))
at weblogic.ejb20.manager.DBManager.beforeCompletion(DBManager.java(Compiled Code))
at weblogic.ejb20.internal.TxManager$TxListener.beforeCompletion(TxManager.java(Compiled Code))
at weblogic.transaction.internal.ServerSCInfo.callBeforeCompletions(ServerSCInfo.java(Compiled Code))
--------------- nested within: ------------------
weblogic.transaction.RollbackException: Unexpected exception in beforeCompletion: sync=weblogic.ejb20.internal.TxManager
$TxListener@44a824cd
Instance of bean 'SecurityRatingHistoryPost' with primary key 'com.cdc.fms.server.setup.security.ratinghistory.SecurityR
atingHistoryEntityPK@93e447fa' not found. - with nested exception:
[javax.ejb.NoSuchEntityException: Instance of bean 'SecurityRatingHistoryPost' with primary key 'com.cdc.fms.server.setu
p.security.ratinghistory.SecurityRatingHistoryEntityPK@93e447fa' not found.]
at weblogic.transaction.internal.TransactionImpl.throwRollbackException(TransactionImpl.java(Compiled Code))
at weblogic.transaction.internal.ServerTransactionImpl.internalCommit(ServerTransactionImpl.java(Compiled Code))
at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTransactionImpl.java(Compiled Code))
at weblogic.ejb20.internal.BaseEJBLocalObject.postInvoke(BaseEJBLocalObject.java(Compiled Code))
at com.cdc.fms.server.common.ConsolidatorSessionBean_fz4673_ELOImpl.processRequest(ConsolidatorSessionBean_fz467
3_ELOImpl.java:57)
at com.cdc.fms.server.common.GatewaySessionBean.processRequest(Unknown Source)
at com.cdc.fms.server.common.GatewaySessionBean_oehtlw_EOImpl.processRequest(GatewaySessionBean_oehtlw_EOImpl.ja
va:407)
at com.cdc.fms.server.common.GatewaySessionBean_oehtlw_EOImpl_WLSkel.invoke(Unknown Source)
<Jan 29, 2008 6:03:10 PM PKT> <Info> <EJB> <010051> <EJB Exception during invocation from home: com.cdc.fms.server.commo
n.GatewaySessionBean_oehtlw_HomeImpl@3e13a4aa threw exception: javax.ejb.EJBException: nested exception is: weblogic.tra
nsaction.RollbackException: Unexpected exception in beforeCompletion: sync=weblogic.ejb20.internal.TxManager$TxListener@
44a824cd
Instance of bean 'SecurityRatingHistoryPost' with primary key 'com.cdc.fms.server.setup.security.ratinghistory.SecurityR
atingHistoryEntityPK@93e447fa' not found. - with nested exception:
[javax.ejb.NoSuchEntityException: Instance of bean 'SecurityRatingHistoryPost' with primary key 'com.cdc.fms.server.setu
p.security.ratinghistory.SecurityRatingHistoryEntityPK@93e447fa' not found.]
javax.ejb.EJBException: nested exception is: weblogic.transaction.RollbackException: Unexpected exception in beforeCompl
etion: sync=weblogic.ejb20.internal.TxManager$TxListener@44a824cd
##################################################################

weblogic 7? when the current production version is 10.2?
don't play yourself. fund a project to upgrade your weblogic version.
can't tell based on what you've posted, and I fear that the stuff you'll have to post to get an answer here will be too much. this isn't a good place to come for an answer.
%

Oracle JDBC Drivers with Tomcat

Similar Messages

Maybe you are looking for