Java.lang.NullPointerException at oracle.jbo.server.QueryCollection.findByKey(QueryCollection.java:5110)

We have deployed our ADF application in production. We developed using JDeveloper Version 11.1.2.1.0. In a page fragment, there is a inputComboboxListOfValues which is binded to a list of values binding. This list of values binding is mapped to an attribute of a view object which has a lov from a view accessor (through view link).
In this inputComboboxListOfValues component, we get this error sometimes in production and we are neither able to re-produce the error nor able to find the reason for the error.
java.lang.NullPointerException
at oracle.jbo.server.QueryCollection.findByKey(QueryCollection.java:5110)
at oracle.jbo.server.ViewRowSetImpl.findByKey(ViewRowSetImpl.java:5488)
at oracle.jbo.server.ViewRowSetImpl.findByAltKey(ViewRowSetImpl.java:5311)
at oracle.jbo.server.ViewObjectImpl.findByAltKey(ViewObjectImpl.java:11566)
at oracle.adf.model.binding.DCIteratorBinding.findRowsByKeyValues(DCIteratorBinding.java:5065)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlLOVBinding$ListOfValuesModelImpl.getValueFromSelection(FacesCtrlLOVBinding.java:1715)
at oracle.adfinternal.view.faces.renderkit.rich.SimpleInputListOfValuesRendererBase.decodeInternal(SimpleInputListOfValuesRendererBase.java:133)
at oracle.adfinternal.view.faces.renderkit.rich.SimpleInputComboboxListOfValuesRenderer.decodeInternal(SimpleInputComboboxListOfValuesRenderer.java:86)
at oracle.adfinternal.view.faces.renderkit.rich.LabeledInputRenderer.decodeInternal(LabeledInputRenderer.java:56)
at oracle.adf.view.rich.render.RichRenderer.decode(RichRenderer.java:342)
at org.apache.myfaces.trinidad.render.CoreRenderer.decode(CoreRenderer.java:292)
at org.apache.myfaces.trinidad.component.UIXComponentBase.__rendererDecode(UIXComponentBase.java:1334)
at org.apache.myfaces.trinidad.component.UIXComponentBase.decode(UIXComponentBase.java:865)
at org.apache.myfaces.trinidad.component.UIXComponentBase.processDecodes(UIXComponentBase.java:965)
at org.apache.myfaces.trinidad.component.UIXEditableValue.processDecodes(UIXEditableValue.java:287)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl$ApplyRequestValuesCallback.invokeContextCallback(LifecycleImpl.java:1548)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnComponent(UIXComponentBase.java:1735)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnComponent(UIXComponentBase.java:1750)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnComponent(UIXComponentBase.java:1750)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnComponent(UIXComponentBase.java:1750)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnComponent(UIXComponentBase.java:1750)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.invokeOnComponent(ContextSwitchingComponent.java:222)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnComponent(UIXComponentBase.java:1750)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnComponent(UIXComponentBase.java:1750)
at org.apache.myfaces.trinidad.component.UIXComponentBase.invokeOnChildrenComponents(UIXComponentBase.java:1627)
Please help us to solve this issue.

Timo,
I noticed that in the application module, these are the settings for passsivation:
jbo.dofailover=false
jbo.passivationstore=null
Do you recommend to change to above settings to
jbo.dofailover=true
jbo.passivationstore=file
We are not using cluster for production environment...
Please suggest..

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Sorry, already solved it. If you are interested at all, just email me and I will explain my mistake :-)

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TIA,
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     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:125)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
     at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
     at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
     at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
     at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
     at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
     at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
     at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
     at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
     at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
     at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
     at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
     at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
     at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
     at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
     at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
     at java.lang.Thread.run(Thread.java:680)
Caused by: javax.naming.NameNotFoundException: javax.transaction.TransactionManager not found
     at com.sun.enterprise.naming.impl.TransientContext.doLookup(TransientContext.java:248)
     at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:215)
     at com.sun.enterprise.naming.impl.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:77)
     at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.lookup(LocalSerialContextProviderImpl.java:119)
     at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:505)
     ... 96 more

Hi,
this has nothing to do with Glassfish as it seems. Any reason you don't generate the sequence in the database (on-insert trigger) and set the PK attribute type to DBSequence? This is the most straight forward and declarative approach.
Frank

Java.lang.NullPointerException at oracle.xml.xsql.XSQLHttpUtil.HttpRequestAsXMLDocume

Hello Everyone,
I get the following error in the <request> element of my XML result from any XSQL page. This always occurs when the page is linked from a JSP page using a simple hyperlink, accessed with <jsp:forward> or accessed with <jsp:include>. This occurs both when I include a request parameter and when I don't.
If I access the XSQL page directly through its URL in my browser or as a link from a regular HTML page this does not occur.
However, once I link or include to the XSQL page and get the error I continue to get it until I stop and restart the server.
Oracle XDK Java 9.2.0.2.0 Production
Development Environment: WebSphere Studio Application Developer 4.02
OS: NT 4.0 SP6
Even this simple Hello World! example produces the error when linked from a JSP page:
<?xml version="1.0"?>
<page connection="ghms" xmlns:xsql="urn:oracle-xsql">
     <xsql:include-request-params/>
<xsql:query>
          SELECT 'Helo World!' AS text
          FROM DUAL
</xsql:query>
</page>
Error:
<request>java.lang.NullPointerException
     at oracle.xml.xsql.XSQLHttpUtil.HttpRequestAsXMLDocument(XSQLHttpUtil.java:116)
     at oracle.xml.xsql.XSQLServletPageRequest.getRequestParamsAsXMLDocument(XSQLServletPageRequest.java:382)
     at oracle.xml.xsql.actions.XSQLIncludeRequestHandler.handleAction(XSQLIncludeRequestHandler.java:39)
     at oracle.xml.xsql.XSQLDocHandler.getDocument(XSQLDocHandler.java:149)
     at oracle.xml.xsql.XSQLPageProcessor.process(XSQLPageProcessor.java:140)
     at oracle.xml.xsql.XSQLServlet.doGet(XSQLServlet.java:60)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.ibm.servlet.engine.webapp.StrictServletInstance.doService(ServletManager.java:827)
     at com.ibm.servlet.engine.webapp.StrictLifecycleServlet._service(StrictLifecycleServlet.java:167)
     at com.ibm.servlet.engine.webapp.IdleServletState.service(StrictLifecycleServlet.java:297)
     at com.ibm.servlet.engine.webapp.StrictLifecycleServlet.service(StrictLifecycleServlet.java:110)
     at com.ibm.servlet.engine.webapp.ServletInstance.service(ServletManager.java:472)
     at com.ibm.servlet.engine.webapp.ValidServletReferenceState.dispatch(ServletManager.java:1012)
     at com.ibm.servlet.engine.webapp.ServletInstanceReference.dispatch(ServletManager.java:913)
     at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:523)
     at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:282)
     at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:112)
     at com.ibm.servlet.engine.srt.WebAppInvoker.doForward(WebAppInvoker.java:91)
     at com.ibm.servlet.engine.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:184)
     at com.ibm.servlet.engine.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:67)
     at com.ibm.servlet.engine.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:106)
     at com.ibm.servlet.engine.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:125)
     at com.ibm.servlet.engine.oselistener.OSEListenerDispatcher.service(OSEListener.java:315)
     at com.ibm.servlet.engine.http11.HttpConnection.handleRequest(HttpConnection.java:60)
     at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:323)
     at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:252)
     at com.ibm.ws.util.CachedThread.run(ThreadPool.java:122)
</request>

Please refer to Oracle bug 3973353 in Metalink. The solution is as following:
- extract BC4JRequestProcessor.java from \BC4J\src\bc4jstrutssrc.zip
- copy BC4JRequestProcessor.java to ...\project\src\oracle\jbo\html\struts11\BC4JRequestProcessor.java
- comment the following lines (lines 347 to 351):
// Overide only if the action mapping is a BC4JActionMapping.
// ActionMapping mapping = (ActionMapping)
// request.getAttribute(Globals.MAPPING_KEY);
// if (! (mapping instanceof BC4JActionMapping) )
// return super.processMultipart(request);
Regards,
Rayyen

Java.lang.NullPointerException at com.evermind.server.ObjectReferenceCleane

I am getting the below error when the server is started. Can any one let me know why do we get this error?
13/01/13 23:33:28.432 10.1.3.5.0 Started
13/01/14 00:46:53.915 Internal server error
java.lang.NullPointerException
at com.evermind.server.ObjectReferenceCleaner.resetApplicationLogger(ObjectReferenceCleaner.java:260)
at com.evermind.server.ObjectReferenceCleaner.cleanupApplicationLogger(ObjectReferenceCleaner.java:167)
at com.evermind.server.ObjectReferenceCleaner.loaderDestroyed(ObjectReferenceCleaner.java:94)
at oracle.classloader.EventDispatcher.loaderDestroyed(EventDispatcher.java:254)
at oracle.classloader.PolicyClassLoader.close(PolicyClassLoader.java:1187)
at oracle.classloader.PolicyClassLoader.close(PolicyClassLoader.java:1126)
at oracle.classloader.PolicyClassLoader.close(PolicyClassLoader.java:1069)
at com.evermind.server.ApplicationStateRunning.destroyClassLoaders(ApplicationStateRunning.java:1201)
at com.evermind.server.Application.stateCleanUp(Application.java:3766)
at com.evermind.server.Application.destroy(Application.java:802)
at com.evermind.server.ApplicationServer.destroyApplications(ApplicationServer.java:2337)
at com.evermind.server.ApplicationServer.destroy(ApplicationServer.java:2124)
at com.evermind.server.ApplicationServerShutdownHandler.run(ApplicationServerShutdownHandler.java:93)
at java.lang.Thread.run(Thread.java:662)
13/01/14 00:48:42.413 10.1.3.5.0 Started

I am getting the below error when the server is started. Can any one let me know why do we get this error?
13/01/13 23:33:28.432 10.1.3.5.0 Started
13/01/14 00:46:53.915 Internal server error
java.lang.NullPointerException
at com.evermind.server.ObjectReferenceCleaner.resetApplicationLogger(ObjectReferenceCleaner.java:260)
at com.evermind.server.ObjectReferenceCleaner.cleanupApplicationLogger(ObjectReferenceCleaner.java:167)
at com.evermind.server.ObjectReferenceCleaner.loaderDestroyed(ObjectReferenceCleaner.java:94)
at oracle.classloader.EventDispatcher.loaderDestroyed(EventDispatcher.java:254)
at oracle.classloader.PolicyClassLoader.close(PolicyClassLoader.java:1187)
at oracle.classloader.PolicyClassLoader.close(PolicyClassLoader.java:1126)
at oracle.classloader.PolicyClassLoader.close(PolicyClassLoader.java:1069)
at com.evermind.server.ApplicationStateRunning.destroyClassLoaders(ApplicationStateRunning.java:1201)
at com.evermind.server.Application.stateCleanUp(Application.java:3766)
at com.evermind.server.Application.destroy(Application.java:802)
at com.evermind.server.ApplicationServer.destroyApplications(ApplicationServer.java:2337)
at com.evermind.server.ApplicationServer.destroy(ApplicationServer.java:2124)
at com.evermind.server.ApplicationServerShutdownHandler.run(ApplicationServerShutdownHandler.java:93)
at java.lang.Thread.run(Thread.java:662)
13/01/14 00:48:42.413 10.1.3.5.0 Started

Error Messagejava.lang.NullPointerException in Oracle B2B 11g

Hi all,
We are working on simple PO transaction(outbound flow) between two trading partners using AS2 protocol. B2B picks the data successfully, we are able to see the application message getting generated but niether we are able to see the payload or business message
Following is the error message i get in soa diagnostic log.
Messagejava.lang.NullPointerException
Supplemental Detail at oracle.tip.b2b.system.InitMessageBundle.getStringFromBundle(InitMessageBundle.java:207)
at oracle.tip.b2b.system.InitMessageBundle.getStringFromBundle(InitMessageBundle.java:179)
at oracle.tip.b2b.system.IPException.getSeverity(IPException.java:422)
at oracle.tip.b2b.system.IPException.getMessage(IPException.java:466)
at oracle.tip.b2b.log.LogManagerImpl.log(LogManagerImpl.java:108)
at oracle.tip.b2b.system.B2BDomainException.ipLog(B2BDomainException.java:190)
at oracle.tip.b2b.system.B2BDomainException.<init>(B2BDomainException.java:138)
at oracle.tip.b2b.engine.Engine.copyAndResetPayload(Engine.java:5599)
at oracle.tip.b2b.engine.Engine.handleMessageEvent(Engine.java:3053)
at oracle.tip.b2b.engine.Engine.processEvents(Engine.java:2706)
at oracle.tip.b2b.engine.ThreadWorkExecutor.processEvent(ThreadWorkExecutor.java:540)
at oracle.tip.b2b.engine.ThreadWorkExecutor.run(ThreadWorkExecutor.java:200)
at oracle.integration.platform.blocks.executor.WorkManagerExecutor$1.run(WorkManagerExecutor.java:77)
at weblogic.work.j2ee.J2EEWorkManager$WorkWithListener.run(J2EEWorkManager.java:183)
at weblogic.work.DaemonWorkThread.run(DaemonWorkThread.java:30)
java.lang.NullPointerException
at oracle.tip.b2b.system.InitMessageBundle.getStringFromBundle(InitMessageBundle.java:207)
at oracle.tip.b2b.system.InitMessageBundle.getStringFromBundle(InitMessageBundle.java:179)
at oracle.tip.b2b.system.IPException.getSeverity(IPException.java:422)
at oracle.tip.b2b.system.IPException.getMessage(IPException.java:466)
at oracle.tip.b2b.log.LogManagerImpl.log(LogManagerImpl.java:108)
at oracle.tip.b2b.system.B2BDomainException.ipLog(B2BDomainException.java:190)
at oracle.tip.b2b.system.B2BDomainException.<init>(B2BDomainException.java:138)
at oracle.tip.b2b.engine.Engine.copyAndResetPayload(Engine.java:5599)
at oracle.tip.b2b.engine.Engine.handleMessageEvent(Engine.java:3053)
at oracle.tip.b2b.engine.Engine.processEvents(Engine.java:2706)
at oracle.tip.b2b.engine.ThreadWorkExecutor.processEvent(ThreadWorkExecutor.java:540)
at oracle.tip.b2b.engine.ThreadWorkExecutor.run(ThreadWorkExecutor.java:200)
at oracle.integration.platform.blocks.executor.WorkManagerExecutor$1.run(WorkManagerExecutor.java:77)
at weblogic.work.j2ee.J2EEWorkManager$WorkWithListener.run(J2EEWorkManager.java:183)
at weblogic.work.DaemonWorkThread.run(DaemonWorkThread.java:30)
Can anyone please let me know what could be the issue? I am new to Oracle B2B. Please guide me
Thanks in advance

Make sure that value of "Large Payload Directory" is a valid directory. You can find it at Administration -> Configuration --> Performance. By default it's value is "/tmp" which is not a valid path for all the OS.
Please refer section "A.2 Handling Large Payloads" at -
http://download.oracle.com/docs/cd/E12839_01/integration.1111/e10229/app_perform.htm#BABCDGBD
Regards,
Anuj

Where is this class: oracle.jbo.server.EntityImpl

Does anyone know what jar file contains the following classes:
oracle.jbo.server.EntityImpl
oracle.jbo.server.AttributeDefImpl
Thanks!
-Teri Kemple
[email protected]

It's bc4jmt.jar in BC4J\lib. "mt" probably stands for "middle tier".

Error: cannot access class oracle.jbo.server.ViewObjectImpl;

hi
while compiling my project
i m getting this error..
Error: cannot access class oracle.jbo.server.ViewObjectImpl; file oracle\jbo\server\ViewObjectImpl.class not found
please help.
regards
naveen

Are the fwk class libraries included in jdev project ?
Thanks
Tapash

ERROR: CORBA Client Test Sample: import oracle.jbo.server.ApplicationModuleImpl;

Hi, guys,
I am deployed the CORBA in my system and it succeed. But when I created a new client to called my CORBA, and I used the code provided in the JDEV3.2 help: Topics: Testing a Business Components CORBA Server Object Deployed to Oracle8i with a Code Client
and it did not work for the deptVo.first(). Since it need the oracle.jbo.server.ApplicationModuleImpl; then I add the import:
import oracle.jbo.server.ApplicationModuleImpl;
When I compiled it, I got the error:
Error: (66) identifier oracle.jbo.server.ApplicationModuleImpl not found. Anybody please help for the import. The package is clearly there, Why NOT FOUND?
Thanks in advance.
Mike
null

Test you app with application module pooling turned off to find out if this is a general problem with passivation of your application. You may need to overwrite the activation/passivation methods of your programmatic VOs.
Timo

URGENT :class oracle.jbo.server.OAJboViewRowImpl has been depricated ...

hey ,
I'm currently wrkin on Oracle IDE 10.1.3.39.81 .. I get an error msg "class oracle.jbo.server.OAJboViewRowImpl has been depricated " ...
upon using getAttributeInternal() .. i could not find any solution using jdoc .. please suggest me a solution to remove the warning ..
Thanks ...

Shiva,
With Release of r12 and Jdeveloper10g, we are using BC4J layer of ADF, which has signifucant enhancement on the bc4j part.So continue using old methods of bc4j, until oracle comes with new javadoc for bc4j in oaf.
Ideally what u said is correct correct u should have
zero errors and zero warnings, but somehow some warnings u cannot avoid :).
--Mukul

Oracle.jbo.server.EntityDefImpl error after EO extension

Hi friends,
I have extened EO for an Oracle seeded page.
Step 1. Extened the EO
Step 2. Added -Djbo.project=xxxx to the run property
Step 3. Added the substitution (oracle EO: extended EO)
After these steps, if I run the page it is throwing error message oracle.jbo.server.EntityDefImpl. If I take out the substitution the page is running properly.
I did not add any piece of code after extending.
This is urgent. Can some one hlep me what is the mistake I am doing here?
Thanks,
Vas

Vas,
Please more details listing all the steps you have taken. It will be easier to diagnose the issue.
Also are you running the page from jdev or instance? What is the full error stack?
--Shiv

Oracle.jbo.server.ViewRowImpl@1b

JComboBox in JTable....
I get an error in method setEdiz(String value) because the value is "oracle.jbo.server.ViewRowImpl@1b" instead of "m3" (first call of this method get "m3", second - "oracle.jbo...."). Why does it happen?
Thanks in advance

[JClient] HOWTO: Using databound comboboxes (for foreign keys) in a JTable
This example doesn't solve this problem in 10.1.3 EA. Did you try to run this example in 10.1.3 EA?

Problem extending "oracle.jbo.server.SessionImp"

nevrmind problem solved
im so embarassed lol
Message was edited by:
Sanja

Vas,
Please more details listing all the steps you have taken. It will be easier to diagnose the issue.
Also are you running the page from jdev or instance? What is the full error stack?
--Shiv

Java.lang.NullPointerException at oracle.jbo.server.QueryCollection.findByKey(QueryCollection.java:5110)

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