Accessing JMX via JNDI?

Hi all,
I've used JMX just a bit via custom jsps and the HttpAdapter that ships with Coherence. I would like to know how, if at all, to access the MBeans via JNDI. Running in WLS 8.1, I can access the WebLogic MBeans by looking up the MBean server via JNDI or by looking up the WLS-specific MBeanHome via JNDI. Can I do something similar with the Coherence MBeans? In my jsp, I can get the default MBeanServer via the MBeanServerFactory and then look up something like "Coherence:type=Service,*" and go from there. With JNDI, I look up "weblogic.management.server" but can't use it to look up any Coherence MBeans. Is there a different MBean server I should be looking up? Something else completely?
Also, is there a way to use something more like strong typing? In other words, can I cast an object to something like ServiceMBean and call methods like getRequestTotalCount() on it? I know this works with WLS, but they document the interfaces. I haven't seen anything similar for Coherence.
thanks
john

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Access ADSI through JNDI ?

Hi All,
Im a newbie to JNDI. Could you please answer to my following query:
I wanted to access the ADSI (Microsoft's Active Directory Services Interface) with the client java code.
I am aware that we can do this by using JNDI since a service provider is
availaible for NDS and LDAP.
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JNDI is similar to ADSI in that it provides a set of interfaces and directory service providers.
You can access Active Directory directly using JNDI via the LDAP protocol. Here is a list of some of the posts I have submitted.
JNDI, Active Directory and Authentication (Part 1) (Kerberos)
http://forum.java.sun.com/thread.jspa?threadID=579829&tstart=300
JNDI, Active Directory & Authentication (part 2) (SSL)
http://forum.java.sun.com/thread.jspa?threadID=581425&tstart=50
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http://forum.java.sun.com/thread.jspa?threadID=581868&tstart=150
JNDI, Active Directory & Authentication (part 4) (SASL EXTERNAL)
http://forum.java.sun.com/thread.jspa?threadID=641047&tstart=0
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http://forum.java.sun.com/thread.jspa?threadID=578347&tstart=0
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http://forum.java.sun.com/thread.jspa?threadID=603815&tstart=15
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http://forum.java.sun.com/thread.jspa?threadID=582103&tstart=15
JNDI, Active Directory & Changing Passwords
http://forum.java.sun.com/thread.jspa?threadID=592611&tstart=50
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http://forum.java.sun.com/thread.jspa?threadID=581444&tstart=150
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http://forum.java.sun.com/thread.jspa?threadID=585034&tstart=150
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http://forum.java.sun.com/thread.jspa?threadID=585031&tstart=150
JNDI, Active Directory and Error codes
http://forum.java.sun.com/thread.jspa?threadID=578674&tstart=200
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http://forum.java.sun.com/thread.jspa?threadID=578338&tstart=200
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http://forum.java.sun.com/thread.jspa?threadID=588430&messageID=3045217
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http://forum.java.sun.com/thread.jspa?threadID=726601&tstart=0
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Connector access via JNDI?

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[#|2005-01-20T19:59:00.836-0500|INFO|sun-appserver-pe8.1|javax.enterprise.system.tools.verifier|_ThreadID=24;|INFO: Look in file "/var/tmp//main-site.war20050120075858.txt" for detailed results.|#]
[#|2005-01-20T19:59:03.214-0500|INFO|sun-appserver-pe8.1|javax.enterprise.system.tools.deployment|_ThreadID=25;|Total Deployment Time: 30206 msec, Total EJB Compiler Module Time: 0 msec, Portion spent EJB Compiling: 0%|#]
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     at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:188)
     at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:520)
     at com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:143)
     at com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:171)Looking at the text file yields:
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      Test Name : tests.web.WebResourceType
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SJSAS 9.1 does not expose EJB 3.0 remote Interface via JNDI

I have successfully deployed a simple Stateful EJB 3.0 bean (CartBean, like the one in the Java EE 5 tutorial remote interface Cart) on SJSAS 9.1, located on machine host1.
After I deployed the CartBean, I browsed the SJSAS and noticed the existence of the following JNDI entries:
ejb/Cart
ejb/Cart__3_x_Internal_RemoteBusinessHome__
ejb/Cart#main.Cart
ejb/mgmt
ejb/myOtherEJB_2_x_bean ( +myOtherEJB_2_x_bean+ is a different 2.x bean that I have deployed as well)So, I am trying to access the remote interface of the CartBean from a remote machine, host2. The client application is a Java-standalone client.
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corbaname:iiop:host1:3700#ejb/Cart
On the other hand, the following lookups succeed:
corbaname:iiop:host1:3700#ejb/mgmt
corbaname:iiop:host1:3700#myOtherEJB_2_x_bean
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https://glassfish.dev.java.net/javaee5/ejb/EJB_FAQ.html

EJB called via JNDI in a Repository Service :: ClassCastException

Hi SDN,
I've got a problem in calling an EJB from a Repository Service...
Here the steps I've follow:
- An EJB has been created with some Business Methods in it; it has been packaged in an EAR and deployed;
- This EJB is looked up succesfully via JNDI in a WDJ application and also in an Abstract Portal Component; I use the following guides:
[Accessing EJB Apps using JNDI|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/0736159e-0301-0010- 9ea4-c63d83d0797b?QuickLink=index&overridelayout=true]
[Referencing an EJB in an Abstract Portal Component|http://wiki.sdn.sap.com/wiki/display/HOME/ConnectingEJBUsing ExternalJars]
- A Repository Service has been created and registered on "CREATE_CHILD_TEMPLATE" ResourceEvent; I can see from logs that this service works correctly;
   - I've copied in the PAR lib and private/lib folders two jars (ejb20.jar and the JAR created building the EJB) and they are added to the build path;
- If I try to look up the EJB via JNDI in the received service method, I get a ClassCastException...
Here some code:
try {
     //I use System.err to see log in the Default Trace
     System.err.println("Initialize EJB");
     //TestJNDIHome class seems to be visible at runtime, following instruction does not throw any exception
     System.err.println("ToString TestJNDIHome: " + TestJNDIHome.class.toString());
     //EJB and PAR are on the same J2EE engine, so no InitialContext parameters, I'm right?
     InitialContext context = new InitialContext();
     Object jndiobj = context.lookup("altevie.com/testear/TestJNDIBean");
     System.err.println("Classe oggetto recuperato da lookup: " + jndiobj.getClass());
     TestJNDIHome home = (TestJNDIHome) javax.rmi.PortableRemoteObject.narrow(jndiobj, TestJNDIHome.class);
     testJNDI = home.create();
} catch (NamingException ex) {
     System.err.println("NamingException :: " + ex.getLocalizedMessage());
} catch (RemoteException ex) {
     System.err.println("RemoteException :: " + ex.getLocalizedMessage());
} catch (CreateException ex) {
     System.err.println("CreateException :: " + ex.getLocalizedMessage());
Here the portalapp.xml (in the same PAR there are two objects, the Repository Service and an Abstract Portal Component, but I've got the same problem also removing the Abstract Portal Component...):
<application>
<application-config>
    <property name="com.sap.engine.interfaces.cross.ObjectReferenceImpl" value="SAPJ2EE::altevie.com/testEAR"/>
    <property name="SharingReference" value="usermanagement, knowledgemanagement, landscape, htmlb, exportalJCOclient, exportal"/>
    <property name="PrivateSharingReference" value="SAPJ2EE::altevie.com/testEAR"/>
</application-config>
<components>
    <component name="TestJSP">
      <component-config>
        <property name="ClassName" value="com.comer.eps.epcomp.TestJSP"/>
      </component-config>
      <component-profile/>
    </component>
</components>
<services>
    <service name="RFServiceWrapper">
      <service-config>
        <property name="className" value="com.sap.netweaver.rf.wrapper.RFServiceWrapper"/>
        <property name="startup" value="true"/>
      </service-config>
    </service>
</services>
</application>
javax.rmi.PortableRemoteObject.narrow method call throws a ClassCastException...
From the previous println I can see the lookup method returns a com.sap.engine.interfaces.cross.ObjectReferenceImpl object, I do not know if it is correct...
I've tried to lookup the Local (localejbs/altevie.com/testear/TestJNDIBean) and Remote (altevie.com/testear/TestJNDIBean) JNDI Bean name, but I get the same error...
I'm sure the JNDI name is correct (it works with WDJ and Abstract Portal Component... I've also tested via LOOKUP command using telnet to connect to J2EE AS and I've checked JNDI Registry and EJB Container services in Visual Admin)...
Here the stack trace of the error:
java.lang.ClassCastException: com.comer.eps.ejb.AccessiEJBHome
     at com.sap.engine.services.cross.PortableRemoteObjectContainer.narrow(PortableRemoteObjectContainer.java:179)
     at com.sap.engine.system.PortableRemoteObjectProxy.narrow(PortableRemoteObjectProxy.java:24)
     at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:134)
     at com.comer.eps.repsrv.onsave.RipubblicaByDE.initializeEJB(RipubblicaByDE.java:145)
Can you help me? Why JNDI lookup works in an Abstract Portal Application and doesn't in a Repository Service (same code...)?
Thank you so much and best regards,
Manuel
Text Formatted: Manuel Xiccato on Sep 27, 2011 12:29 PM

Hi SDN,
I've got a problem in calling an EJB from a Repository Service...
Here the steps I've follow:
- An EJB has been created with some Business Methods in it; it has been packaged in an EAR and deployed;
- This EJB is looked up succesfully via JNDI in a WDJ application and also in an Abstract Portal Component; I use the following guides:
[Accessing EJB Apps using JNDI|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/0736159e-0301-0010- 9ea4-c63d83d0797b?QuickLink=index&overridelayout=true]
[Referencing an EJB in an Abstract Portal Component|http://wiki.sdn.sap.com/wiki/display/HOME/ConnectingEJBUsing ExternalJars]
- A Repository Service has been created and registered on "CREATE_CHILD_TEMPLATE" ResourceEvent; I can see from logs that this service works correctly;
   - I've copied in the PAR lib and private/lib folders two jars (ejb20.jar and the JAR created building the EJB) and they are added to the build path;
- If I try to look up the EJB via JNDI in the received service method, I get a ClassCastException...
Here some code:
try {
     //I use System.err to see log in the Default Trace
     System.err.println("Initialize EJB");
     //TestJNDIHome class seems to be visible at runtime, following instruction does not throw any exception
     System.err.println("ToString TestJNDIHome: " + TestJNDIHome.class.toString());
     //EJB and PAR are on the same J2EE engine, so no InitialContext parameters, I'm right?
     InitialContext context = new InitialContext();
     Object jndiobj = context.lookup("altevie.com/testear/TestJNDIBean");
     System.err.println("Classe oggetto recuperato da lookup: " + jndiobj.getClass());
     TestJNDIHome home = (TestJNDIHome) javax.rmi.PortableRemoteObject.narrow(jndiobj, TestJNDIHome.class);
     testJNDI = home.create();
} catch (NamingException ex) {
     System.err.println("NamingException :: " + ex.getLocalizedMessage());
} catch (RemoteException ex) {
     System.err.println("RemoteException :: " + ex.getLocalizedMessage());
} catch (CreateException ex) {
     System.err.println("CreateException :: " + ex.getLocalizedMessage());
Here the portalapp.xml (in the same PAR there are two objects, the Repository Service and an Abstract Portal Component, but I've got the same problem also removing the Abstract Portal Component...):
<application>
<application-config>
    <property name="com.sap.engine.interfaces.cross.ObjectReferenceImpl" value="SAPJ2EE::altevie.com/testEAR"/>
    <property name="SharingReference" value="usermanagement, knowledgemanagement, landscape, htmlb, exportalJCOclient, exportal"/>
    <property name="PrivateSharingReference" value="SAPJ2EE::altevie.com/testEAR"/>
</application-config>
<components>
    <component name="TestJSP">
      <component-config>
        <property name="ClassName" value="com.comer.eps.epcomp.TestJSP"/>
      </component-config>
      <component-profile/>
    </component>
</components>
<services>
    <service name="RFServiceWrapper">
      <service-config>
        <property name="className" value="com.sap.netweaver.rf.wrapper.RFServiceWrapper"/>
        <property name="startup" value="true"/>
      </service-config>
    </service>
</services>
</application>
javax.rmi.PortableRemoteObject.narrow method call throws a ClassCastException...
From the previous println I can see the lookup method returns a com.sap.engine.interfaces.cross.ObjectReferenceImpl object, I do not know if it is correct...
I've tried to lookup the Local (localejbs/altevie.com/testear/TestJNDIBean) and Remote (altevie.com/testear/TestJNDIBean) JNDI Bean name, but I get the same error...
I'm sure the JNDI name is correct (it works with WDJ and Abstract Portal Component... I've also tested via LOOKUP command using telnet to connect to J2EE AS and I've checked JNDI Registry and EJB Container services in Visual Admin)...
Here the stack trace of the error:
java.lang.ClassCastException: com.comer.eps.ejb.AccessiEJBHome
     at com.sap.engine.services.cross.PortableRemoteObjectContainer.narrow(PortableRemoteObjectContainer.java:179)
     at com.sap.engine.system.PortableRemoteObjectProxy.narrow(PortableRemoteObjectProxy.java:24)
     at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:134)
     at com.comer.eps.repsrv.onsave.RipubblicaByDE.initializeEJB(RipubblicaByDE.java:145)
Can you help me? Why JNDI lookup works in an Abstract Portal Application and doesn't in a Repository Service (same code...)?
Thank you so much and best regards,
Manuel
Text Formatted: Manuel Xiccato on Sep 27, 2011 12:29 PM

Neither JMX nor JNDI seems working with OEP 12.1.3 (regression ?)

Hi,
I'm currently writing an OEP application, on the 12.1.3 version.
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Apps and music are forever tied to the Apple ID under which they were purchased. If you don't want to continue to get that message, delete the apps and purchase them again with your new Apple ID.

Using Interactive Report with SQL query accessing tables via db link

Is there a known issue with using the interactive report in version 3.1.2.00.02 with SQL that is accessing tables via a database link? I get the error 'not all variables bound', I do not get this error when using the standard report for the same SQL?
Thanks,
Edited by: [email protected] on May 26, 2009 2:59 PM

Varad,
Good question, failed to check that. In fact there are errors. Dump file c:\oraclexe\app\oracle\admin\xe\bdump\xe_s002_3640.trc
Mon Jun 15 08:48:11 2009
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
Windows XP Version V5.1 Service Pack 3
CPU : 2 - type 586, 1 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:1051M/2038M, Ph+PgF:2273M/3934M, VA:1302M/2047M
Instance name: xe
Redo thread mounted by this instance: 1
Oracle process number: 16
Windows thread id: 3640, image: ORACLE.EXE (S002)
*** ACTION NAME:(PAGE 2) 2009-06-15 08:48:11.743
*** MODULE NAME:(APEX:APPLICATION 112) 2009-06-15 08:48:11.743
*** SERVICE NAME:(SYS$USERS) 2009-06-15 08:48:11.743
*** CLIENT ID:(ADMIN:232384011651572) 2009-06-15 08:48:11.743
*** SESSION ID:(24.931) 2009-06-15 08:48:11.743
*** 2009-06-15 08:48:11.743
ksedmp: internal or fatal error
ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] [_LdiDateFromArray+55] [PC:0x608B04F3] [ADDR:0x0] [UNABLE_TO_WRITE] []
Current SQL statement for this session:
select Stage,Procedure,Stp,FW,Reslt,MSG,date_run
from bi_msg_VW@dwitnm
order by 1
----- PL/SQL Call Stack -----
object line object
handle number name
2FE1EA14 1207 package body SYS.DBMS_SYS_SQL
2FE1F064 328 package body SYS.DBMS_SQL
2ABDC520 5097 package body APEX_030200.WWV_RENDER_REPORT3
2BD5E55C 1538 package body APEX_030200.WWV_FLOW_DISP_PAGE_PLUGS
2BD5E55C 366 package body APEX_030200.WWV_FLOW_DISP_PAGE_PLUGS
335BDA88 11190 package body APEX_030200.WWV_FLOW
2BDBD1C8 255 procedure APEX_030200.F
2AB58D10 30 anonymous block
----- Call Stack Trace -----
I didn't include the call stack, it is too large. Now I'm even more puzzled that the IR would work while a sql report would fail.
Bob

How can I persist a Java object to the PCD via JNDI ?

Hi,
I'm trying to persist XML data on the PCD via JNDI. I'm using
portal version 6.2.0.4.200408172051.
I followed the instructions in the "Portal Runtime Technology 640"
document.
The example they showed was:
import javax.naming.Context;
Context context = PortalRegistry.getCentralConfigurationContext();
Context applicationContext = context.lookup("MyAppName");
It was possible to obtain 'applicationContext' in the above example by
using:-
Context context = PortalRegistry.getCentralConfigurationContext();
String appName = request.getComponentContext().getApplicationName();
Context applicationContext = (Context) context.lookup(appName);
However, any attempt to bind, rebind an object (implementing IStreamSource)
resulted in NamingExcptions. As did 'listBindings' and 'list' (see below).
BeanWrapper d = new BeanWrapper("test input");
applicationContext.rebind("PCD_LOOKUP_KEY", d);
// where 'd' implements IStreamSource
class BeanWrapper implements IStreamSource {
String content = "balh";
BeanWrapper(String s) {
content = s;
public InputStream getInputStream() throws IOException {
ByteArrayInputStream bis = new ByteArrayInputStream(content.getBytes());
return bis;
} // getInputStream
} // BeanWrapper
I don't know what I've done wrong. I couldn't find any more documentation
on this topic...
Any help would be appreciated.
cheers,
Michael
javax.naming.NameNotFoundException: [Xfs] Object not found. Root exception is javax.naming.NamingException: [Xfs] Object not found
at com.sapportals.portal.pcd.gl.xfs.BasicContext.lookup(BasicContext.java:840)
at com.sapportals.portal.pcd.gl.PcdPersContext.lookup(PcdPersContext.java:422)
at com.sapportals.portal.pcd.gl.PcdFilterContext.filterLookup(PcdFilterContext.java:387)
at com.sapportals.portal.pcd.gl.PcdProxyContext.basicContextLookup(PcdProxyContext.java:1083)
at com.sapportals.portal.pcd.gl.PcdProxyContext.proxyLookupLink(PcdProxyContext.java:1170)
at com.sapportals.portal.pcd.gl.PcdProxyContext.proxyLookup(PcdProxyContext.java:1132)
at com.sapportals.portal.pcd.gl.PcdProxyContext.getBasicObject(PcdProxyContext.java:1330)
at com.sapportals.portal.pcd.gl.PcdProxyContext.getBasicContext(PcdProxyContext.java:1306)
at com.sapportals.portal.pcd.gl.PcdProxyContext.rebind(PcdProxyContext.java:473)
at com.sapportals.portal.pcd.gl.PcdGlContext.rebind(PcdGlContext.java:1185)
at com.sapportals.portal.pcd.gl.PcdProxyContext.rebind(PcdProxyContext.java:515)
at com.sapportals.portal.pcd.gl.PcdProxyContext.rebind(PcdProxyContext.java:683)
at com.sapportals.portal.pcd.gl.PcdProxyContext.rebind(PcdProxyContext.java:688)
at com.sapportals.portal.prt.jndisupport.util.AbstractContextWrapper.rebind(AbstractContextWrapper.java:46)
at com.siemens.pct.employee.cu_selector.CUSelector.saveCuBeanToPCD(CUSelector.java:305)
at com.siemens.pct.employee.cu_selector.CUSelectorUpload.doUpload(CUSelectorUpload.java:70)
at java.lang.reflect.Method.invoke(Native Method)
at com.sapportals.portal.prt.component.AbstractPortalComponent.handleRequestEvent(AbstractPortalComponent.java:700)
at com.sapportals.portal.prt.component.AbstractPortalComponent.handleEvent(AbstractPortalComponent.java:412)
at com.sapportals.portal.prt.pom.ComponentNode.handleEvent(ComponentNode.java:250)
at com.sapportals.portal.prt.pom.PortalNode.fireEventOnNode(PortalNode.java:333)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:627)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:208)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:532)
at java.security.AccessController.doPrivileged(Native Method)
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)
at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:832)
at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:666)
at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:313)
at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)
at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1288)
at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)
at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)
at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)
at java.security.AccessController.doPrivileged(Native Method)
at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)

Hi Michael,
here my comments to your questions:
0.:[Michael says:]
"So basically you're saying that under SP10 its not possible to store objects on the PCD ... ?"
I want to clarify this:
It is possible to store objects in the PCD in lower releases than SP10 (e.g. SP2). But due to the fact that PCD API is not public before SP10 you should not develop a SP2 iView that programmatically uses the PCD API and complain afterwards because some "tiny" things of it are not working in SP10. It might be that you have to adjust some parts of this SP2 iView.
The kind of object that can be stored in the PCD depends on the fact if the objects have a corresponding object provider or not. If you want to store iViews, roles or one of the other commonly known portal objects you can do it because corresponding object provider (iViewservice, roleservice, etc.) are always available in a running portal.
If you want to store objects (like your BeanWrapper class) then you should write a corresponding object provider (what I explained in my first reply).
1.:[Michael asked:]
Why does list and listBindings fail ? surely that should just
list the existing bound objects ???
Nothing was bound!
Your code line
applicationContext.rebind("PCD_LOOKUP_KEY", d);
throws a NamingException because no object provider for class of object d was found.
So I gess you did a lookup on applicationContext.lookup( "PCD_LOOKUP_KEY" ) before you did the list/listBindings and because this
context does not exist the corresponding "Name not found" exception was thrown?
A list/listBinding on the applicationContext itself should work even if nothing was bound.
2.:[Michael asked:]
Is there not some kind of default object/object provider pair
that can be used to store base types like Strings/Integers etc ?
No. There are no default object providers for java string/integers. But for this case "persisting a string or integer value at any PCD context" the PCD offers another way to do it: Just create an additional attribute (of type STRING or INT) and persist the corresponding value in this attribute (of type IPcdAttribute - an extension of javax.naming.directory.Attribute )
The code for creating a pcd attribute looks e.g. like this:
IPcdObjectFactory pcdObjFactory = ((IPcdGlService) PortalRuntime
                                               .getRuntimeResources()
                                               .getService(IPcdGlService.KEY))
                                               .getPcdObjectFactory();
IPcdAttribute newPcdAttr = pcdObjFactory.createPcdAttribute(     PcdAttributeValueType.STRING,
                                        "new_attrId" );
newPcdAttr.set(     0,
          "new_AttrValue" );
ModificationItem mods[] = new ModificationItem[1];
mods[0] = new ModificationItem(      DirContext.REPLACE_ATTRIBUTE,
                           (Attribute)newPcdAttr );
pcdCtx.modifyAttributes(     "",
                    mods );
Hope, that helps you!
Regards,
Jens

Accessing JMX via JNDI?

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