Jdeveloper 1.1.1.7 and DCTaskFlowBinding.getRegionModel()

Hi,
when i upgrade jdev 11.1.1.6 to 11.1.1.7, i am getting the following exception. can anyone tell me how to get RegionModel without using DCTaskFlowBinding?
oracle.jbo.JboException: JBO-29000: Unexpected exception caught: java.lang.NoSuchMethodError, msg=oracle/adf/controller/internal/binding/DCTaskFlowBinding.getRegionModel()Loracle/adf/view/rich/model/RegionModel;[[
at oracle.adf.model.binding.DCInvokeMethod.invokeMethod(DCInvokeMethod.java:699)
at oracle.adf.model.binding.DCDataControl.invokeMethod(DCDataControl.java:2143)
at oracle.adf.model.bc4j.DCJboDataControl.invokeMethod(DCJboDataControl.java:3118)
at oracle.adf.model.bean.DCBeanDataControl.invokeMethod(DCBeanDataControl.java:445)
at oracle.adf.model.binding.DCInvokeMethod.callMethod(DCInvokeMethod.java:261)
at oracle.jbo.uicli.binding.JUCtrlActionBinding.doIt(JUCtrlActionBinding.java:1635)
at oracle.adf.model.binding.DCDataControl.invokeOperation(DCDataControl.java:2151)
at oracle.adf.model.bean.DCBeanDataControl.invokeOperation(DCBeanDataControl.java:473)
at oracle.adf.model.adapter.AdapterDCService.invokeOperation(AdapterDCService.java:314)
at oracle.jbo.uicli.binding.JUCtrlActionBinding.invoke(JUCtrlActionBinding.java:740)
at oracle.jbo.uicli.binding.JUEventConsumer.handleEvent(JUEventConsumer.java:89)
at oracle.adf.controller.internal.binding.TaskFlowEventNameResolverForNestedBC$EventConsumerWrapper.handleEvent(TaskFlowEventNameResolverForNestedBC.java:76)
at oracle.adf.model.binding.events.EventDispatcherImpl.invokeEvent(EventDispatcherImpl.java:445)
at oracle.adf.model.binding.events.EventDispatcherImpl.dispatchEventToConsumer(EventDispatcherImpl.java:417)
at oracle.adf.model.binding.events.EventDispatcherImpl.dispatchEventForSubscription(EventDispatcherImpl.java:385)
at oracle.adf.model.binding.events.EventDispatcherImpl.dispatchEventForCurrentContainer(EventDispatcherImpl.java:284)
at oracle.adf.model.binding.events.EventDispatcherImpl.dispatchEvent(EventDispatcherImpl.java:200)
at oracle.adf.model.binding

Hi,
DCTaskFlowBinding is a class in an internal package that is for internal framework use only. You can cast the task flow binding reference to DCBindingContainer. To access the region model, use EL as Timo suggested
Frank

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and replace the file <jdevhome1013>\j2ee\home\lib\asm.jar from file asm.jar that folloies Hibernate 3.0
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Thanks.

Jim, you are my Idol!!!!
I'm evaluating JDeveloper (for the first time, not migrating from a previous version), so I'm realy brand new with this environment.
Now that I see that you (maybe) go in the same direction I go, please, give me your opinion about one point.
I can see JDeveloper gives the developer a lot of code-generating advantages if you accept using ADF and the rest of the whole Oracle proposed environment. Specifically, the amazing speed you can get on binding the three tiers: database (with connections and drag-and-drops for tables), Business Objects and logic (with middle tier wizards) and presentation tier (with that great drag-and-drop jsp creation tool). I think all this tools can really make a speed-difference
But I dont like proprietary solutions, I like open-source-standards, so I prefer Hibernate (3.0.5), any structural-framework, like Struts or whichever, and for example JSF for the presentation tier (still evaluating this point)
Ive seen that tutorial about using Hibernate + JSF with JDeveloper (http://www.oracle.com/technology/pub/articles/vohra_hibernate.html) but it didnt satisfied me too much: Its written for Hibernate 2.1.8 and migrating to Hibernate 3.0 is not possible without a headache
So finally, I decided to import a neutrally built Struts + Hibernate 3.0 project and try to speed it up using JDeveloper. And then it was when I hit my head against this problem youve just solved! Jiiiimy, Jiiiiimy!!!! :-))))))
So, finally, my questions:
1) Would you say that if Im developing this within this kind of tools, then JDeveloper still gives me much of the speed It gives in the first case? Can I drag-and-speedy-drop from database to model tier, or from model to control or to presentation tiers without introducing any Oracle libraries in my project? How? Do you have any example?
2) In your opinion, which is the best environment for speeding up this whole development process: JDeveloper, Eclipse + Exadel or any other plug-in environment? Any other you may prefer?
Hey, again, thanks a lot!! Oracle should take note of the bug you detected (and maybe pay you some bucks for it :-))
Fer

JDeveloper 10.1.3.3 and Embedded OC4J server

This is the Embedded OC4J server on JDeveloper 10.1.3.3 I have pointed it to compile in Java SDK 1.4.2_14
I have set up the projects datasources to use the JDBC driver ojdbc14.jar
[Starting OC4J using the following ports: HTTP=8988, RMI=23891, JMS=9227.]
**** Unable to obtain password from principals.xml. Using default.
C:\jdev\jdev\system\oracle.j2ee.10.1.3.36.73\embedded-oc4j\config>
C:\j2sdk1.4.2_14\bin\javaw.exe -ojvm -classpath C:\jdev\j2ee\home\oc4j.jar;C:\jdev\jdev\lib\jdev-oc4j-embedded.jar -Xverify:none -DcheckForUpdates=adminClientOnly -Doracle.application.environment=development -Doracle.j2ee.http.socket.timeout=500 -Doc4j.jms.usePersistenceLockFiles=false oracle.oc4j.loader.boot.BootStrap -config C:\jdev\jdev\system\oracle.j2ee.10.1.3.36.73\embedded-oc4j\config\server.xml
[waiting for the server to complete its initialization...]
*WARNING: Code-source C:\jdev\jdbc\lib\ojdbc14.jar (from <library> in /C:/jdev/jdev/mywork/NJTransit/NJTransit-oc4j-app.xml) has the same filename but is not identical to /C:/jdev/jdbc/lib/ojdbc14dms.jar (from <code-source> (ignore manifest Class-Path) in META-INF/boot.xml in C:\jdev\j2ee\home\oc4j.jar). If it contains different versions of the same classes, it will be masked as the latter is already visible in the search path of loader current-workspace-app.root:0.0.0.
*Ready message received from Oc4jNotifier.
Embedded OC4J startup time: 4421 ms.
Target URL -- http://207.200.160.250:8988/NJTransit-NJTransit-context-root/index.jsp
12/03/08 14:58:05 Oracle Containers for J2EE 10g (10.1.3.0.0) initialized
My question is why is it having trouble distinguishing between ojdbc14.jar and ojdbc14dms.jar
as a result I am getting unexpected behavior from the Application
Declaration in my code
int mypidm;
String sql1 = "SELECT SPRIDEN_PIDM FROM SPRIDEN WHERE SPRIDEN_ID = UPPER(?)";
try{
PreparedStatement pstmt = conn.prepareStatement(sql1);
pstmt.setString(1, studid);
ResultSet rs;
rs = pstmt.executeQuery();
//mypidm = rs.getInt("SPRIDEN_PIDM");
This part of the code drops through i.e. rs.next() always gets a false result
while (rs.next()) //evaluates to false so mypidm is always zero.
mypidm = rs.getInt("SPRIDEN_PIDM");
I am thinking that these two things are related.
Any Thoughts.

The tables are not created by default. You can configure your persistence.xml to define how you want tables to be created. The persistence.xml properties are defined in the TopLink class, EntityManagerFactoryProvider (oracle.toplink.<essentials>.ejb.cmp3).
Set the property, "toplink.ddl-generation" to "drop-and-create-tables" if you want them recreated every time your redeploy. Note this will delete all previous data in the tables, so make sure you do not leave this setting on when you go into production.

Will JDeveloper support Struts 1.1 and Struts-EL?

I was pleased to see support for the JSTL and usage of EL in the JDeveloper 10G preview, but disappointed to find that the stable release of Struts 1.1 is not included and that the Struts-EL libraries are not included. Are there known plans to ship the release version of JDeveloper 10G with the these features/support?

I would rather use the JSTL tag libs that come from an official JSTL distribution ( JSP 2.0). I was more interested in seeing that support for the Struts specific EL taglibs was eventually going to be included in JDeveloper. Struts HTML-EL taglib and Bean-EL in particular. I don't want to use the Struts Logic taglib as I can get most all that functionality from the JSTL taglibs. There is somewhat of an overlapping that gets confusing because the struts 1.1 ships the JSTL along with the struts-el tag libraries. Let me know if this clarifies what I am looking for.

Jdeveloper 1.1.1.7 and DCTaskFlowBinding.getRegionModel()

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