Example/tutorial for WLI 8.1 Clustering

          Hi,
          I am new to clustering and was looking for any tutorial or an example for clustering
          a WLI application.
          There is a WLS Cluster example + tutorial [a sample J2ee Application which can
          be deployed on a WLS cluster]. I am looking for something similar for WLI. Where
          can I find it?
          I also did go thru the WLI deployment document which has some interesting info.
          My env:
          WLI 8.1 SP1
          Windows 2K/XP
          JDK 1.4x
          Any help would be useful!
          Thanks,
          DKV

          The "deploy.pdf" [Deploymnet doc] helped.
          Now I have a WLI cluster. However, I tried to install the "sampleApp" [integration
          sample] on the WLI Cluster and am having problems with The Adapters.
          The Admin console says the deployment was a sucess - however the WLIConsole
          says that the Adapter deploy failed. Any idea why this would happen and how do
          we solve this issue?
          The stack trace is:
          com.bea.wlai.client.DeploymentException: Deployment of app view 'sampleApp_FunctionDemo_CustomerMgmt'
          failed for the following reason: Could not create Resource Adapter instance 'sampleApp_FunctionDemo_CustomerMgmt__Default':
          com.bea.wlai.client.DeploymentException: Error loading persistent configuration
          for adapter instance 'sampleApp_FunctionDemo_CustomerMgmt__Default': java.lang.NullPointerException
          java.lang.NullPointerException at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.getAdapterInstanceConfiguration(AdapterInstanceConfigurationHelper.java:494)
          at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.loadAdapterInstance(AdapterInstanceConfigurationHelper.java:408)
          at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:70)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          java.lang.NullPointerException -------- Begin level 0 Exception Stack Trace --------
          com.bea.wlai.client.DeploymentException: Error loading persistent configuration
          for adapter instance 'sampleApp_FunctionDemo_CustomerMgmt__Default': java.lang.NullPointerException
          java.lang.NullPointerException at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.getAdapterInstanceConfiguration(AdapterInstanceConfigurationHelper.java:494)
          at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.loadAdapterInstance(AdapterInstanceConfigurationHelper.java:408)
          at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:70)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          java.lang.NullPointerException at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:76)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          -------- End level 0 Exception Stack Trace -------- -------- Begin level 1 Exception
          Stack Trace -------- java.lang.NullPointerException at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.getAdapterInstanceConfiguration(AdapterInstanceConfigurationHelper.java:494)
          at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.loadAdapterInstance(AdapterInstanceConfigurationHelper.java:408)
          at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:70)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          -------- End level 1 Exception Stack Trace -------- com.bea.wlai.client.DeploymentException:
          Could not create Resource Adapter instance 'sampleApp_FunctionDemo_CustomerMgmt__Default':
          com.bea.wlai.client.DeploymentException: Error loading persistent configuration
          for adapter instance 'sampleApp_FunctionDemo_CustomerMgmt__Default': java.lang.NullPointerException
          java.lang.NullPointerException at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.getAdapterInstanceConfiguration(AdapterInstanceConfigurationHelper.java:494)
          at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.loadAdapterInstance(AdapterInstanceConfigurationHelper.java:408)
          at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:70)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          java.lang.NullPointerException -------- Begin level 0 Exception Stack Trace --------
          com.bea.wlai.client.DeploymentException: Error loading persistent configuration
          for adapter instance 'sampleApp_FunctionDemo_CustomerMgmt__Default': java.lang.NullPointerException
          java.lang.NullPointerException at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.getAdapterInstanceConfiguration(AdapterInstanceConfigurationHelper.java:494)
          at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.loadAdapterInstance(AdapterInstanceConfigurationHelper.java:408)
          at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:70)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          java.lang.NullPointerException at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:76)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          -------- End level 0 Exception Stack Trace -------- -------- Begin level 1 Exception
          Stack Trace -------- java.lang.NullPointerException at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.getAdapterInstanceConfiguration(AdapterInstanceConfigurationHelper.java:494)
          at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.loadAdapterInstance(AdapterInstanceConfigurationHelper.java:408)
          at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:70)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          -------- End level 1 Exception Stack Trace -------- com.bea.wlai.client.DeploymentException:
          Error loading persistent configuration for adapter instance 'sampleApp_FunctionDemo_CustomerMgmt__Default':
          java.lang.NullPointerException java.lang.NullPointerException at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.getAdapterInstanceConfiguration(AdapterInstanceConfigurationHelper.java:494)
          at com.bea.wlai.management.internal.AdapterInstanceConfigurationHelper.loadAdapterInstance(AdapterInstanceConfigurationHelper.java:408)
          at com.bea.wlai.AdapterDeploymentCache.createAdapterDeploymentInfo(AdapterDeploymentCache.java:70)
          at com.bea.wlai.AdapterDeployer.deployAdapter(AdapterDeployer.java:230) at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstance(ApplicationViewDeployer.java:722)
          at com.bea.wlai.ApplicationViewDeployer.deployAdapterInstances(ApplicationViewDeployer.java:614)
          at com.bea.wlai.ApplicationViewDeployer.internalDeploy(ApplicationViewDeployer.java:512)
          at com.bea.wlai.ApplicationViewDeployer.access$200(ApplicationViewDeployer.java:67)
          at com.bea.wlai.ApplicationViewDeployer$DeployTask.runTask(ApplicationViewDeployer.java:2500)
          at com.bea.wlai.Task.internalRunTask(Task.java:91) at com.bea.wlai.Task.access$000(Task.java:5)
          at com.bea.wlai.Task$1.run(Task.java:71) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
          at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at
          com.bea.wlai.Task.runAs(Task.java:65) at com.bea.wlai.TaskHandler.run(TaskHandler.java:79)
          java.lang.NullPointerException
          "DKV" <[email protected]> wrote:
          >
          > Hi,
          >
          >I am new to clustering and was looking for any tutorial or an example
          >for clustering
          >a WLI application.
          >
          >There is a WLS Cluster example + tutorial [a sample J2ee Application
          >which can
          >be deployed on a WLS cluster]. I am looking for something similar for
          >WLI. Where
          >can I find it?
          >
          >I also did go thru the WLI deployment document which has some interesting
          >info.
          >
          >My env:
          >
          >WLI 8.1 SP1
          >
          >Windows 2K/XP
          >
          >JDK 1.4x
          >
          >Any help would be useful!
          >
          >Thanks,
          >
          >DKV

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Hello,
When can we expect the new JSF tutorial for beta 1 ? This would make it a bit easier to get around with JSF.
Also as a formerly ASP.NET developer (2j ago) most people will benift from a website where the examples or how to's are published and the code is explained. See http://www.asp.net/tutorials/quickstart.aspx
Even in the beta stage of early asp.net this site was up and running. Me and my team members have used it more than once to find a solution for our problems...
Hope sun or others can make work of this ?
Luc

it was allready updated...But hopefully this is not all that sun will provide as a tutorial. The updated chapters 20-22 of the tutorial concerning jsf seem to me like a "search and replace" update.
For example the section of the selectmany_checkboxlist is simply wrong. selectitem is now defined in the core tld (it has to be <f:selectitem.... There are nearly no complex examples for the use of the api in managed beans, renderers and so on.
<h:selectmany_checkboxlist
value="#{MyCarBean.currentOptions}">
<h:selectitem itemLabel="Sunroof"
value="#{MyCarBean.sunRoofSelected}">
</h:selectitem>
<h:selectitem itemLabel="Cruise Control"
value=
"#{MyCarBean.cruiseControlSelected}" >
</h:selectitem>
</h:selectmany_checkboxlist>
best regards
Jan Prill

AbstractMethodError running tutorial for version 2.2.6

I get the following error trying to run the tutorial for version 2.2.6:
=================================================
Running tutorial.SeedDatabase to fill the
database with some example data
=================================================
[java]
[java] Kodo JDO Beta
[java] Copyright (C) 2001
[java]
[java] Database Information:
[java] java.lang.AbstractMethodError
[java] at
com.solarmetric.kodo.impl.jdbc.JDBCPersistenceManagerFactory.
<init>(JDBCPersistenceManagerFactory.java:153)
[java] at
com.solarmetric.kodo.impl.jdbc.JDBCPersistenceManagerFactory.
<init>(JDBCPersistenceManagerFactory.java:96)
[java] at tutorial.JDOFactory.<clinit>(Unknown Source)
[java] at tutorial.SeedDatabase.main(Unknown Source)
[java] Exception in thread \"main\"
BUILD FAILED
My environment is Win2000, JDK 1.3
Any ideas why this happens?
Thanks,
kore

I'm sorry, I deleted the 2.2.6 version and installed 2.2.5.
Everything's fine now. OTOH, I read in earlier messages that this could
be a known bug related to JDK 1.4, so I may have messed up the JDK
versions. :)
Thank you for your answer, anyway.
Patrick Linskey wrote:
Kore,
Are you using the EE or SE evaluation? Can you post the results of:
java com.solarmetric.kodo.runtime.JDOVersion
-Patrick
On 6/27/02 10:55 AM, "kore" <[email protected]> wrote:
I get the following error trying to run the tutorial for version 2.2.6:
=================================================
Running tutorial.SeedDatabase to fill the
database with some example data
=================================================
[java]
[java] Kodo JDO Beta
[java] Copyright (C) 2001
[java]
[java] Database Information:
[java] java.lang.AbstractMethodError
[java] at
com.solarmetric.kodo.impl.jdbc.JDBCPersistenceManagerFactory.
<init>(JDBCPersistenceManagerFactory.java:153)
[java] at
com.solarmetric.kodo.impl.jdbc.JDBCPersistenceManagerFactory.
<init>(JDBCPersistenceManagerFactory.java:96)
[java] at tutorial.JDOFactory.<clinit>(Unknown Source)
[java] at tutorial.SeedDatabase.main(Unknown Source)
[java] Exception in thread \"main\"
BUILD FAILED
My environment is Win2000, JDK 1.3
Any ideas why this happens?
Thanks,
kore

I have problems with step-by-step tutorial for ejb3.0

I have seen the step-by-step tutorial for ejb3.0 using Jdeveloper and Oracle Application Server following the link: http://www.oracle.com/technology/products/jdev/101/tutorials/ejb_30/ejb_30.htm
The tutorial uses an Oracle database.
I tried to use a MSSQLServer 2000 database instead of the Oracle database an i got the folowing error:
javax.naming.NamingException: Lookup error: java.net.ConnectException: Connection refused: connect; nested exception is:
     java.net.ConnectException: Connection refused: connect [Root exception is java.net.ConnectException: Connection refused: connect]
     at com.evermind.server.rmi.RMIClientContext.lookup(RMIClientContext.java:68)
     at javax.naming.InitialContext.lookup(InitialContext.java:351)
     at buslogic.HRAppFacadeClient.main(HRAppFacadeClient.java:11)
Caused by: java.net.ConnectException: Connection refused: connect
     at java.net.PlainSocketImpl.socketConnect(Native Method)
     at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
     at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
     at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
     at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:364)
     at java.net.Socket.connect(Socket.java:507)
     at java.net.Socket.connect(Socket.java:457)
     at java.net.Socket.<init>(Socket.java:365)
     at java.net.Socket.<init>(Socket.java:207)
     at com.evermind.server.rmi.RMIClientConnection.createSocket(RMIClientConnection.java:641)
     at oracle.oc4j.rmi.ClientSocketRmiTransport.createNetworkConnection(ClientSocketRmiTransport.java:46)
     at oracle.oc4j.rmi.ClientRmiTransport.connectToServer(ClientRmiTransport.java:86)
     at com.evermind.server.rmi.RMIClientConnection.connect(RMIClientConnection.java:609)
     at com.evermind.server.rmi.RMIClientConnection.lookup(RMIClientConnection.java:151)
     at com.evermind.server.rmi.RMIClient.lookup(RMIClient.java:235)
     at com.evermind.server.rmi.RMIClientContext.lookup(RMIClientContext.java:55)
     ... 2 more
What should i change to make it work with the MSSQLServer 2000 database?
Could anyone help me with this problem?
Thanx!!

Hi,
I don't know the example but maybe I can give you some hints though. Your stacktrace doesn't look to be related to a datasource issue. So I see two questions:
1) What's about the error?
2) How to change the datasource from Oracle to MS SQLServer 2000?
Hope you didn't start at the end of the tutorial! ;-)
1)
The client tries to connect to the RMI-port of an OC4J instance to do some JNDI lookups, but cannot connect to the server socket.
Some questions:
Is your OC4J instance up and running BEFORE you start the client?
If you answer with yes:
Which port does the RMI server listen on? (netstat -a)
Is this port the same the client tries to use?
If you answer with yes:
Do you connect locally or via a network (do you use a firewall)?
2) The steps should include:
a) Create the database schema in SQLServer (this might include a conversion of ORACLE specific SQL to SQLServer specific syntax, Sequences and stuff like that)
b) Add the correct JDBC.Driver to your project
c) Create and test the datasource (try to use JDev)
d) Make sure that the EJB3 persistence implementation of OC4J (toplink) does support all necessary features of the MS Database. For example I'm not sure if native db sequences are supported for other RDBMS than Oracle. Don't know if you need them for your example
In theory this should all be quite simple and you don't have to write db specific code. ;-)
Hope this helps. If not, please ask more specifically!
Regards,
Eric

Book for Web application(site) (Application(site) for voice tutorial) for m

Please tell me some not very book or example for developing Web application(site) (Application(site) for voice tutorial) for mobile devices what use web services(for the voice tutorial)
Please(if can ,if can not it's all right) application to be like version for attaching on the web server.

Use the resources you pay for with a dev account in the iOS Dev Center(s).
iOS Human Interface Guidelines
iOS Starting Point
Start Developing iOS Apps Today
App Development Overview
App Store Review Guidelines for iOS Apps
Your First iOS App
iTunes Connect Developer Guide
iTunes Connect Guide
Learning Objective-C: A Primer
Also: iTunes U

Example/tutorial for WLI 8.1 Clustering

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