Info! required on subscribing a Weblogic MDB to an Oracle AQ queue

Hi,
we are developing an event notification application and are planning to use Oracle AQ for message propagation, from Oracle DB(oracle 9i) to an application in WLS (Version 9.2). I's there any comprehensive tutorial on how to subscribe a MDB in weblogic to a Queue in AQ.
if any available please kindly reply to this posting.
thanks,
prakash

Did you ever receive information on MDB to AQ? I'm doing a very similar thing.
--Jay

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Which database driver is required for weblogic 10.3 and Oracle DB 11g both on MS2008 separate server

Hi,
i am trying to configure JDBC with weblogic. Can any one tell me which deriver needs to be selected for weblogic 10.3 and Oracle DB 11g both on MS2008 separate server.
if i use BEA oracle Driver (Type 4) version 9.0.1, 9.2.0,10,11, i find error (see snap:2)
Connection test failed.
[BEA][Oracle JDBC Driver]Error establishing socket. Unknown host: hdyhtc137540d weblogic.jdbc.base.BaseExceptions.createException(Unknown Source) weblogic.jdbc.base.BaseExceptions.getException(Unknown Source) weblogic.jdbc.oracle.OracleImplConnection.makeConnectionHelper(Unknown Source) weblogic.jdbc.oracle.OracleImplConnection.makeConnection(Unknown Source) weblogic.jdbc.oracle.OracleImplConnection.connectAndAuthenticate(Unknown Source) weblogic.jdbc.oracle.OracleImplConnection.open(Unknown Source) weblogic.jdbc.base.BaseConnection.connect(Unknown Source) weblogic.jdbc.base.BaseConnection.setupImplConnection(Unknown Source) weblogic.jdbc.base.BaseConnection.open(Unknown Source) weblogic.jdbc.base.BaseDriver.connect(Unknown Source) com.bea.console.utils.jdbc.JDBCUtils.testConnection(JDBCUtils.java:505) c om.bea.console.actions.jdbc.datasources.createjdbcdatasource.CreateJDBCDataSource.testConn ectionConfiguration(CreateJDBCDataSource.java:369) sun.reflect.GeneratedMethodAccessor 826.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl. java:25) java.lang.reflect.Method.invoke(Method.java:597) org.apache.beehive.netui .pageflow.FlowController.invokeActionMethod(FlowController.java:870) org.apache.beehiv e.netui.pageflow.FlowController.getActionMethodForward(FlowController.java:809) org.ap ache.beehive.netui.pageflow.FlowController.internalExecute(FlowController.java:478) or g.apache.beehive.netui.pageflow.PageFlowController.internalExecute(PageFlowController.java :306) org.apache.beehive.netui.pageflow.FlowController.execute(FlowController.java:336 ) ...
and
when i use oracle's driver (thin) version 9.0.1, 9.2.0,10,11, i find error
Connection test failed.
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Throttling MDB performance running against MQSeries queue

I have an unusual requirement for an application. We have a non-transactional MQSeries queue that is bound as a foreign JMS destination in client mode (thanks to the folks on the forum who helped me configure that!).
          The problem is that the cluster that we are running our application on has limited capacity and I need to make sure that the MDB that will be listening to the queue does not surpass a certain TPS limit (say, 1 TPS). This article explains how to throttle performance using a separate execute thread -- http://e-docs.bea.com/wls/docs81/perform/AppTuning.html#1105201
          However, this requires you to set the MDB's "dispatch-policy' attribute to the lower priority queue in ejb-jar.xml. However, the documentation on this attribute -- http://edocs.beasys.com/wls/docs81/ejb/DDreference-ejb-jar.html#1113605 -- indicates that this attribute is only honoured if the source queue is transactional in nature.
          What to do? A transactional queue is a hard sell to our infrastructure folks. Can I use the extended transactional client and have this work?
          FYI - using the max-beans-in-free-pool does not do a sufficiently good job of limiting performance.
          Any other ideas?

another possibility might be the following scenario:
          create a local jms-destination, maybe with a jdbc-store.
          then use the weblogic bridge to transfer messages into the local jms-queue.
          at this point you can configure flow-control for the connection factory
          to limit transferred messages.
          the problem in this case is, that unprocessed messages have to be stored
          on the application server or in the database.
          but maybe this can help you.
          --Klaas
          gbrail schrieb:
          > As the doc describes, your MDB's "onMessage" method is invoked by a thread created by MQ. That means we have no control over it, or how fast it runs. I don't know of any "throttling" features in MQ either that would help.
          >
          > The only (ugly!) suggestion I can think of is that you should set "max-beans-in-free-pool" to 1 and periodically "sleep" in your onMessage method so that you don't get messages too fast!
          >
          > (And even if you were able to use a separate execute queue, or a transactional queue, you still could potentially get messages more than once per second, so you might still need to sleep anyway.)

Configuring Weblogic's jDriver for Oracle to use in distributed transactions

 Here is some errata to the instructions at "Configuring XA JDBC drivers" section of the online beta documentation:
 http://www.weblogic.com/docs60/adminguide/managetx.html#1041268
 The sample JDBC connection pool using Weblogic jDriver for Oracle should be:
 <JDBCConnectionPool
 Name="fundsXferAppPool"
 Targets="myserver"
 URL="jdbc:weblogic:oracle:localdb"
 DriverName="weblogic.jdbc.oci.xa.XADataSource"
 InitialCapacity="0"
 MaxCapacity="5"
 CapacityIncrement="1"
 Properties="user=scott;password=tiger;server=localdb;rmid=0"
 />
 <JDBCTxDataSource
 Name="fundsXferDataSource"
 Targets="myserver,server1"
 JNDIName="myapp.fundsXfer"
 PoolName="fundsXferAppPool"
 />
 Here is an example of an additional XA connection pool for a second database instance:
 <JDBCConnectionPool
 Name="fundsXferAppPool2"
 Targets="myserver"
 URL="jdbc:weblogic:oracle:localdb2"
 DriverName="weblogic.jdbc.oci.xa.XADataSource"
 InitialCapacity="0"
 MaxCapacity="5"
 CapacityIncrement="1"
 Properties="user=scott;password=tiger;server=localdb2;rmid=1"
 />
 <JDBCTxDataSource
 Name="fundsXferDataSource2"
 Targets="myserver,server1"
 JNDIName="myapp.fundsXfer2"
 PoolName="fundsXferAppPool2"
 />
 Please note the different "rmid" values for the 2 different database instances. Note also that the above sample only applies for Beta 1. Instructions may change in the future for Beta 2.
 Also, all the names of the data source properties shown in "Table 8-2 Data Source Properties for WebLogic jDriver for Oracle" should start with lower case.
 The Beta 1 online documentation will soon be updated to reflect the above. Our apologies for any inconvenience caused.
 -- Priscilla Fung, BEA Systems, Inc.


 Thanks
 Mark
 "Sree Bodapati" <[email protected]> wrote:
 >Hi Mark,
 >
 >Yes you need 8.1.6 DB Server or higher for WebLogic's jDriver for Oracle/XA
 >as well.
 >
 >/
 >sree
 >
 >
 >"Mark Cordobal" <[email protected]> wrote in message
 >news:[email protected]..
 >>
 >> I read that XA features require version Oracle8i release 8.1.6 or later
 >of
 >the Oracle
 >> server.
 >> Does this apply only to Oracle JDBC drivers (which implement 2pc on top
 >of
 >JAVA_XA
 >> package) or also to Weblogic's jDriver for Oracle/XA ?
 >> I mean, if I have two Oracle 8.06 (or however < 8.1.6) jdbc Resource
 >Manager, can
 >> I implement (wlserver 6.1sp2) a distributed xa transaction using
 >Weblogic's jDriver
 >> for Oracle/XA ?
 >> Or is it (jdriver) built also on top of JAVA_XA package, and so the db
 >server XA
 >> compliancy is a must ?
 >>
 >> Thanks in advance
 >>
 >> Mark
 >
 >

JDBC CONNECTION POOL FOR WEBLOGIC 8.1 TO ORACLE 8.1.6

I am having problems with my connection pool. When I try to use the classes12 driver I get periodic TNS:connection closed errors and I can not set my initial pool size very high because one will fail with this error. When I try to use the ojdbc14 driver I get a character set not supported error. I am using the nls_charset12.jar file
I am running weblogic 8.1 sp2. I am connecting to an Oracle 8.1.6 database.
Any suggestions would be greatly appreciated.
Thanks
Eric

eric brantingham wrote:
Hi, thanks for your assistance. Here is the log dump.You should add a 1-second login delay for the pool. (loginDelaySeconds=1).
Oracle can get swamped and ocasionally fail valid connection requests if
too many are sent in a short time, such as when a pool is being initially
populated. This setting will put a delay between successive connection
requests, and should solve the problem.
Joe
>
####<Aug 30, 2004 9:45:15 AM EDT> <Warning> <JDBC> <sun1523.daytonoh.ncr.com> <s
moaServer> <ExecuteThread: '22' for queue: 'weblogic.kernel.Default'> <<anonymou
s>> <> <BEA-001129> <Received exception while creating connection for pool "nolo
aConnectionPool": ORA-12537: TNS:connection closed
>
####<Aug 30, 2004 9:45:15 AM EDT> <Info> <JDBC> <sun1523.daytonoh.ncr.com> <smoa
Server> <ExecuteThread: '22' for queue: 'weblogic.kernel.Default'> <<anonymous>>
<> <BEA-001156> <Stack trace associated with message 001129 follows:
java.sql.SQLException: ORA-12537: TNS:connection closed
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:114)
at oracle.jdbc.oci8.OCIDBAccess.check_error(OCIDBAccess.java:1503)
at oracle.jdbc.oci8.OCIDBAccess.logon(OCIDBAccess.java:309)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:198)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.ja
va:251)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:224)
at weblogic.jdbc.common.internal.ConnectionEnvFactory.makeConnection(Con
nectionEnvFactory.java:175)
at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(Con
nectionEnvFactory.java:111)
at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourceP
oolImpl.java:1103)
at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourceP
oolImpl.java:1040)
at weblogic.common.resourcepool.ResourcePoolImpl.reserveResource(Resourc
ePoolImpl.java:320)
at weblogic.common.resourcepool.ResourcePoolImpl.reserveResource(Resourc
ePoolImpl.java:252)
at weblogic.jdbc.common.internal.ConnectionPool.reserve(ConnectionPool.j
ava:428)
at weblogic.jdbc.common.internal.ConnectionPoolManager.reserve(Connectio
nPoolManager.java:78)
at weblogic.jdbc.common.internal.RmiDataSource.getPoolConnection(RmiData
Source.java:288)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSour
ce.java:310)
at user.User.getDbPoolConnection(User.java:174)
at order.OrderMasterCustomer.dbRetrieveOrderCustomerHeaderData(OrderMast
erCustomer.java:1181)
at order.OrderMasterCustomer.dbRetrieveOrderCustomer(OrderMasterCustomer
java:1108)
at order.OrderMasterCustomer.dbSetPropertiesFromOrder(OrderMasterCustome
r.java:1660)
at order.Order.dbSetPropertiesFromOrder(Order.java:1031)
at servlets.submitPages.OpenOrderSubmit.actionSearch(OpenOrderSubmit.jav
a:367)
at servlets.submitPages.OpenOrderSubmit.service(OpenOrderSubmit.java:107
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)

Why getting WebLogic Connection when using Oracle Driver?

Does anyone know why I would be getting back an instance of weblogic.jdbc.rmi.SerialConnection
when retrieving a connection out of the connection pool, via my JDBC TX DataSource,
when my JDBC Connection pool is configured to use oracle.jdbc.OracleDriver. Seems
that since I'm using the Oracle driver I should not be getting back this WebLogic
connection.
Any insight is appreciated :)
thanks,
Dan

innumonenu wrote:
Even we are facing the same problem of ClassCastException when we try to cast to
OracleCallableStatement from the weblogic pool made of Oracle JDBC driver.
What is the URL which explains,
"Our wrappers do provide access to various non-standard
Oracle methods, and we document how to cast (to our concret class or to an interface
we define) in order to access these calls." as said by Joseph.http://e-docs.bea.com/wls/docs70/jdbc/thirdparty.html#1043705
>
>
"Dan Branley" <[email protected]> wrote:
Joseph,
Thanks for the insight. This answers a lot of questions. I appreciate
the thorough
explanation. Your assumption is correct. I am trying to use an Oracle
extension,
specifically I need to call PreparedStatement.setBlob() passing an instance
of
an Oracle BLOB.empty_lob(). I'll take a look at the WLS documentation
for an
alternative.
thanks,
Dan Branley
Joseph Weinstein <[email protected]> wrote:
We never give application code direct access to pooled connections.We
always
supply a wrapper class. These wrapper classes have various extra functionality,
such as cooperating under-the-covers with the transaction coordinator
to provide
EJB/UserTransaction transactional semantics/guarantees, regardless of
the number
of EJBs involved in a given transaction. For instance, when in an EJB/UserTransaction,
our wrapper will cheerfully ignore if application code calls a Connection.commit().
The
application code has no idea really when the transaction is done and
commitable, only
the transaction coordinator does. Most simply, our pools guarantee that
whatever
application reserves a pool connection will have sole use of it until
they close the connection
to return it to the pool. If we allowed direct access to a pooled connection,
one application
could cache the reference, and re-use it later when we presumed to allow
another user to
use it from the pool. Some of our wrapper objects are RMI-enabled so
they work in
external client JVMs and will do JDBC over the wire to the weblogicserver
and it's
pool connections. This wayt application code need not change to work
inside or
outside weblogic.
I suspect this question is because you want to use some of Oracle's
non-standard
extensions to JDBC. Our wrappers do provide access to various non-standard
Oracle methods, and we document how to cast (to our concret class or
to an interface we
define) in order to access these calls. Not all calls can be successfully
proxied by our wrappers
because some Oracle methods (which claim to take java.sql object asarguments)
actually
require oracle specific classes, and reject our proxies, even if they
are standard JDBC objects.
Joe
Dan Branley wrote:
Does anyone know why I would be getting back an instance of weblogic.jdbc.rmi.SerialConnection
when retrieving a connection out of the connection pool, via my JDBCTX DataSource,
when my JDBC Connection pool is configured to use oracle.jdbc.OracleDriver.Seems
that since I'm using the Oracle driver I should not be getting backthis WebLogic
connection.
Any insight is appreciated :)
thanks,
Dan

Help!.... XA error: using Weblogic 6.1 and Oracle 8.1.6

 Hi,
 I am using Weblogic 6.1 with Oracle 8.1.7. I configured a TXDataSource as I wanted
 to use Container Managed Transaction through a Session Bean.
 Connection Pool Settings: -------------------------
 Name - myXAPool URL - jdbc:oracle:thin:@myServer:1521:myDb DriverClassname - oracle.jdbc.xa.client.OracleXADataSource
 TXDataSource Settings : -----------------------
 Name - myXADS
 JNDIName - myXADS
 PoolName - myXAPool
 Everything works fine but once in a while I get the following exception:
 java.sql.SQLException: XA error: XAER_RMERR : A resource manager error has occured
 in the transaction branch start() failed on resource 'myXAPool' Unexpected error
 during start for XAResource 'myXAPool': null
 The connection pool size is 30 and the number connections high reached was 5,
 which means there are enough connections in the pool available at all time.
 It would be really great if you can help me out.
 Thanks in Advance, Sudhir.


Hi Slava,
Sorry about that Oracle instance I am using is 8.1.7.
For the XA Driver I am using the one that comes with Weblogic in weblogic.jar.
And my Weblogic version 6.1 Sp3.
Thanks,
Sudhir.
"Slava Imeshev" <[email protected]> wrote:
Hi Sudhir,
Are you using an instance of 8.1.6 or 8.1.7? In the message header you
say
8.1.6.
Regards,
Slava Imeshev
"Sudhir Babu" <[email protected]> wrote in message
news:[email protected]..
Hi,
I am using Weblogic 6.1 with Oracle 8.1.7. I configured a TXDataSourceas
I wanted
to use Container Managed Transaction through a Session Bean.
Connection Pool Settings: -------------------------
Name - myXAPool URL - jdbc:oracle:thin:@myServer:1521:myDb
DriverClassname - oracle.jdbc.xa.client.OracleXADataSource
TXDataSource Settings : -----------------------
Name - myXADS
JNDIName - myXADS
PoolName - myXAPool
Everything works fine but once in a while I get the following exception:
java.sql.SQLException: XA error: XAER_RMERR : A resource manager errorhas
occured
in the transaction branch start() failed on resource 'myXAPool' Unexpectederror
during start for XAResource 'myXAPool': null
The connection pool size is 30 and the number connections high reachedwas
5,
which means there are enough connections in the pool available at alltime.
It would be really great if you can help me out.
Thanks in Advance, Sudhir.

XA error: using Weblogic 6.1 and Oracle 8.1.6

Hi,
I am using Weblogic 6.1 with Oracle 8.1.7. I configured a TXDataSource as I wanted
to use Container Managed Transaction through a Session Bean.
Connection Pool Settings: -------------------------
Name - myXAPool URL - jdbc:oracle:thin:@myServer:1521:myDb
DriverClassname - oracle.jdbc.xa.client.OracleXADataSource
TXDataSource Settings : -----------------------
Name - myXADS
JNDIName - myXADS
PoolName - myXAPool
Everything works fine but once in a while I get the following exception:
java.sql.SQLException: XA error: XAER_RMERR : A resource manager error has occured
in the transaction branch start() failed on resource 'myXAPool' Unexpected error
during start for XAResource 'myXAPool': null
The connection pool size is 30 and the number connections high reached was 5,
which means there are enough connections in the pool available at all time.
It would be really great if you can help me out.
Thanks in Advance, Sudhir.

Hi Slava,
Sorry about that Oracle instance I am using is 8.1.7.
For the XA Driver I am using the one that comes with Weblogic in weblogic.jar.
And my Weblogic version 6.1 Sp3.
Thanks,
Sudhir.
"Slava Imeshev" <[email protected]> wrote:
Hi Sudhir,
Are you using an instance of 8.1.6 or 8.1.7? In the message header you
say
8.1.6.
Regards,
Slava Imeshev
"Sudhir Babu" <[email protected]> wrote in message
news:[email protected]..
Hi,
I am using Weblogic 6.1 with Oracle 8.1.7. I configured a TXDataSourceas
I wanted
to use Container Managed Transaction through a Session Bean.
Connection Pool Settings: -------------------------
Name - myXAPool URL - jdbc:oracle:thin:@myServer:1521:myDb
DriverClassname - oracle.jdbc.xa.client.OracleXADataSource
TXDataSource Settings : -----------------------
Name - myXADS
JNDIName - myXADS
PoolName - myXAPool
Everything works fine but once in a while I get the following exception:
java.sql.SQLException: XA error: XAER_RMERR : A resource manager errorhas
occured
in the transaction branch start() failed on resource 'myXAPool' Unexpectederror
during start for XAResource 'myXAPool': null
The connection pool size is 30 and the number connections high reachedwas
5,
which means there are enough connections in the pool available at alltime.
It would be really great if you can help me out.
Thanks in Advance, Sudhir.

Problem in using Weblogic 6.1 with Oracle 9i

Hi,
Has anybody experiensing problems in creating connection from Weblogic6.1 to Oracle
9i using thin driver?
We have a piece of codes that works fine with Weblogic 6.1 and Oracle 8.1.7 but
failed to create database connection when we upgrade to database to 9i (the same
code works fine without weblogic).
Thanks
Li
[email protected]

It works after I put the new oracle driver ahead of the weblogic stuff.
Thanks
Li
Joseph Weinstein <[email protected]> wrote:
You should make sure you have the same Oracle driver in the server
classpath, as works in the standalone case. Note that we ship a
thin driver too, so your newer one will ahve to be ahead of all
the weblogic stuff in the server classpath.
Joe
Li Wang wrote:
After upgraded our oracle server to 9i, we found that our applicationdoes not
work. So, I wrote a simple test program that just creates a connectionand exec
a query. The program works find with 9i by itself (of cause). But,when I put
it in Weblogic 6.1 (as Startup class), there are problems.
First, it takes 833700ms to create a connection (It takes 981ms tocreate a connection
outside wls, it takes 900ms to create a connection to oracle8.1.7 insidewls).
Then, it gets "java.sql.SQLException: ORA-00600: internal error code,arguments:
[ttcgcshnd-1], [0], [], [], [], [], [], []"
while executing the query.
We run weblogic and oracle on Windows2000.
The code looks like:
Class.forName("oracle.jdbc.driver.OracleDriver");
String username = "yourusername";
String password = "yourpassword";
String host = "yourhost";
String sid = "yoursid";
String dbURL = "jdbc:oracle:thin:@" + host +":1521:" + sid;
String sql = "select * from yourtable";
System.out.println(dbURL);
Connection connection = DriverManager.getConnection (dbURL, username,password);
Statement statement = connection.createStatement();
statement.executeQuery(sql);
statement.close();
connection.close();
"Jignesh Patel" <[email protected]> wrote:
1. Are you able to create connection pool using Oracle 9i THIN driver
? i.e Define
connection pool & make initial connection => 1. At the time of startup
weblogic
will create connections defined in connection pool.
2. Can you post your error message ?
Thanks
Jignesh Patel
"Li Wang" <[email protected]> wrote:
Hi,
Has anybody experiensing problems in creating connection from Weblogic6.1
to Oracle
9i using thin driver?
We have a piece of codes that works fine with Weblogic 6.1 and Oracle
8.1.7 but
failed to create database connection when we upgrade to database
to
9i
(the same
code works fine without weblogic).
Thanks
Li
[email protected]

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