Uow registerObject: Missing descriptor for java.lang.Integer

I get this message on uow.registerObject
Missing descriptor for java.lang.Integer.
Any help greatly appreciated,
Thanks,
Vivek

Are you trying to register an Integer with the UOW? You don't have to register primitives. Odds are you're not doing this, but this exception will still be thrown if you have accidentally mapped a DTF as a 1-1 (i.e, if an Order has a price that is an Integer and you accidentally have it as a 1-1 mapping). Or, if you have a 1-M relationship and an Integer gets into the collection. Etc.
In a nutshell, this error is saying that somehow you have an Integer where TopLink is expecting some sort of business class mapped.
- Don

Similar Messages

ClassCastException for java.lang.Integer in JSF

Hi,
I am a newbie, i am working on adding 2 numbers in jsf.
Where i have a addNumber.jsp:-
Number1:<h:inputText value"#{AddBean.num1)}"/>
Number2:<h:inputText value"#{AddBean.num2)}"/>
<h:commandButton value="Add" action="#{AddBean.sum}"/>
In AddBean.java
I have getters and setters for num1 & num2 property whose datatype is int.
public int sum(){
System.out.println("Inside sum");
return (num1+num2);
Here when i click the Add button the sum() is fired where it is printing "Inside sum" after that i am getting a "ClassCastException saying that java.lang.Integer". Which means i can only use Integer object for calculation rather than using primitive datatype(int)?
What is the problem here? Pls. do explain?
Thanks

The action method should be declared void or return a String. It is to be used for the navigation-case entries in the faces-config.xml. If you want a postback to the same page, just declare it void. It should not return the intented "result" of the action. Store the result somewhere as a bean property.
The following example should work:<h:form>
    <h:inputText value="#{addBean.number1}" />
    <h:inputText value="#{addBean.number2}" />
    <h:commandButton value="Add" action="#{addBean.sum}" />
    <h:outputText value="#{addBean.result}" />
</h:form>AddBeanprivate int number1; // + getter + setter
private int number2; // + getter + setter
private int result; // + getter only
public void sum() {
    result = number1 + number2;
}And I'd rather to use Integer instead of int, but that's more a design choice.

Exception Description: Missing descriptor for ...

I have this to query:
codes:
UnitOfWork uow = getSessionFactory().acquireUnitOfWork();
Vector params = new Vector(1);
params.add(argCompanyId);
VsaSpaVendor result = (VsaSpaVendor)uow.executeQuery("findVendorByCompanyId", VsaSpaVendor.class, params);
uow.commit();
return result;
then I startup the embedded oc4j in jdeveloper,I got the following errors,
but when I deploy my application to a standalone oc4j server, it works.
errors:
Caused by: Exception [TOPLINK-6007] (Oracle TopLink - 10g Release 3 (10.1.3.3.0) (Build 070608)): oracle.toplink.exceptions.QueryException
Exception Description: Missing descriptor for [class com.vs.espa.model.VsaSpaVendor].
Query: ReadObjectQuery(com.vs.espa.model.VsaSpaVendor)
     at oracle.toplink.exceptions.QueryException.descriptorIsMissing(QueryException.java:358)
     at oracle.toplink.queryframework.ReadObjectQuery.checkDescriptor(ReadObjectQuery.java:211)
     at oracle.toplink.queryframework.ObjectLevelReadQuery.checkPrePrepare(ObjectLevelReadQuery.java:566)
     at oracle.toplink.queryframework.ObjectLevelReadQuery.checkEarlyReturn(ObjectLevelReadQuery.java:501)
     at oracle.toplink.queryframework.DatabaseQuery.execute(DatabaseQuery.java:564)
     at oracle.toplink.queryframework.ObjectLevelReadQuery.execute(ObjectLevelReadQuery.java:779)
     at oracle.toplink.queryframework.ReadObjectQuery.execute(ReadObjectQuery.java:388)
     at oracle.toplink.queryframework.ObjectLevelReadQuery.executeInUnitOfWork(ObjectLevelReadQuery.java:836)
     at oracle.toplink.publicinterface.UnitOfWork.internalExecuteQuery(UnitOfWork.java:2604)
     at oracle.toplink.publicinterface.Session.executeQuery(Session.java:993)
     at oracle.toplink.publicinterface.Session.executeQuery(Session.java:950)
     at oracle.toplink.publicinterface.Session.readObject(Session.java:2541)
     at com.vs.espa.model.EspaPublicFacadeBean.findVendorByCompanyId(EspaPublicFacadeBean.java:1037)
     at com.vs.espa.model.EspaPublicFacadeBean.findUserByUserName(EspaPublicFacadeBean.java:796)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at com.evermind.server.ejb.interceptor.joinpoint.EJBJoinPointImpl.invoke(EJBJoinPointImpl.java:35)
     at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:119)
     at com.evermind.server.ejb.interceptor.system.SetContextActionInterceptor.invoke(SetContextActionInterceptor.java:44)
     at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:119)
     at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
     at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:119)
     at com.evermind.server.ejb.interceptor.system.TxRequiredInterceptor.invoke(TxRequiredInterceptor.java:50)
     ... 129 more
Anyone can tell me why?
Jerry

Thank you, James
I create SessionFactory by this:
public EspaPublicFacadeBean() {
this.sessionFactory =
new SessionFactory("META-INF/sessions.xml", "default");
the sessions.xml
<?xml version = '1.0' encoding = 'UTF-8'?>
<!DOCTYPE toplink-configuration PUBLIC "-//Oracle Corp.//DTD TopLink Sessions 9.0.4//EN" "sessions_9_0_4.dtd">
<toplink-configuration>
<session>
<name>default</name>
<project-xml>META-INF/espaMap.xml</project-xml>
<session-type>
<server-session/>
</session-type>
<login>
<driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
<datasource>jdbc/devvsDS</datasource>
<platform-class>oracle.toplink.platform.database.oracle.Oracle10Platform</platform-class>
<user-name>vsc</user-name>
<encryption-class-name>oracle.toplink.internal.security.JCEEncryptor</encryption-class-name>
<encrypted-password>03B2E88B1EC44B3883BEF6EB790DF0F8D62D1A19DF561D1E</encrypted-password>
<uses-native-sequencing>true</uses-native-sequencing>
<sequence-preallocation-size>1</sequence-preallocation-size>
<uses-external-connection-pool>true</uses-external-connection-pool>
<uses-external-transaction-controller>true</uses-external-transaction-controller>
</login>
<external-transaction-controller-class>oracle.toplink.transaction.oc4j.Oc4jTransactionController</external-transaction-controller-class>
<enable-logging>true</enable-logging>
<logging-options>
<log-debug>true</log-debug>
          <log-level>fine</log-level>
<print-thread>true</print-thread>
</logging-options>
</session>
</toplink-configuration>
class-mapping-descriptor defined in espaMap.xml
<opm:class-mapping-descriptor xsi:type="toplink:relational-class-mapping-descriptor">
<opm:class>com.vs.espa.model.VsaSpaVendor</opm:class>
<opm:alias>VsaSpaVendor</opm:alias>
<opm:primary-key>
<opm:field table="VSA_SPA_VENDOR" name="COMPANY_ID" xsi:type="opm:column"/>
</opm:primary-key>
<opm:events xsi:type="toplink:event-policy"/>
<opm:querying xsi:type="toplink:query-policy">
<opm:queries>
<opm:query name="findVendorByCompanyId" xsi:type="toplink:read-object-query">
<opm:criteria operator="equal" xsi:type="toplink:relation-expression">
<toplink:left name="companyId" xsi:type="toplink:query-key-expression">
<toplink:base xsi:type="toplink:base-expression"/>
</toplink:left>
<toplink:right xsi:type="toplink:parameter-expression">
<toplink:parameter name="argCompanyId" xsi:type="opm:column"/>
</toplink:right>
</opm:criteria>
<opm:arguments>
<opm:argument name="argCompanyId">
<opm:type>java.lang.Integer</opm:type>
</opm:argument>
</opm:arguments>
<toplink:timeout>0</toplink:timeout>
<toplink:reference-class>com.vs.espa.model.VsaSpaVendor</toplink:reference-class>
<toplink:cache-usage>primary-key</toplink:cache-usage>
<toplink:lock-mode>none</toplink:lock-mode>
</opm:query>
Any ideas? Or could you give me some sample codes?
Jerry

[TOPLINK-6007]: Exception Description: Missing descriptor for

Hi,
We developed an ADF application with TopLink in JDeveloper 10.1.3.3. All things are right in JDeveloper's embedded OC4J.
But after we deployed it to standalone OC4J 10.1.3.3, we find following errors (in CMD window):
TOPLINK-6007] (Oracle TopLink - 10g Release 3 (10.1.3.3.0) (Build 07
*0428)): oracle.toplink.exceptions.QueryException*
*Exception Description: Missing descriptor for [class oracle.model.class1].*
Query: ReadObjectQuery(oracle.model.class1)
And find other erros related to this class1 (in this application's application.log)
javax.faces.el.EvaluationException: javax.faces.el.EvaluationException: Error getting property 'allNameList' from bean of type oracle.view.backing.UserPrivilege: java.lang.ClassCastException: oracle.model.class1
     at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:190)
     at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:143)
     at javax.faces.component.UISelectItems.getValue(UISelectItems.java:130)
     at oracle.adfinternal.view.faces.renderkit.uix.SelectItemSupport.addSelectItems(SelectItemSupport.java:262)
     at oracle.adfinternal.view.faces.renderkit.uix.SelectManyShuttleRenderer._getSelectItems(SelectManyShuttleRenderer.java:178)
     at oracle.adfinternal.view.faces.renderkit.uix.SelectManyShuttleRenderer.encodeBegin(SelectManyShuttleRenderer.java:60)
     at oracle.adf.view.faces.component.UIXComponentBase.encodeBegin(UIXComponentBase.java:593)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode._renderComponent(UIComponentUINode.java:297)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:262)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:239)
     at oracle.adfinternal.view.faces.ui.composite.ContextPoppingUINode$ContextPoppingRenderer.render(ContextPoppingUINode.java:224)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:346)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:301)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderChild(BaseRenderer.java:412)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:330)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:222)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderContent(BaseRenderer.java:129)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.render(BaseRenderer.java:81)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.XhtmlLafRenderer.render(XhtmlLafRenderer.java:69)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:346)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:301)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderChild(BaseRenderer.java:412)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:330)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:222)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderContent(BaseRenderer.java:129)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.render(BaseRenderer.java:81)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.XhtmlLafRenderer.render(XhtmlLafRenderer.java:69)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:346)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:301)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderChild(BaseRenderer.java:412)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:330)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:222)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderContent(BaseRenderer.java:129)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.BorderLayoutRenderer.renderIndexedChildren(BorderLayoutRenderer.java:42)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.BorderLayoutRenderer.renderContent(BorderLayoutRenderer.java:71)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.render(BaseRenderer.java:81)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.XhtmlLafRenderer.render(XhtmlLafRenderer.java:69)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:346)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:301)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderChild(BaseRenderer.java:412)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:330)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:222)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderContent(BaseRenderer.java:129)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.render(BaseRenderer.java:81)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.XhtmlLafRenderer.render(XhtmlLafRenderer.java:69)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:346)
     at oracle.adfinternal.view.faces.ui.BaseUINode.render(BaseUINode.java:301)
     at oracle.adfinternal.view.faces.ui.composite.UINodeRenderer.renderWithNode(UINodeRenderer.java:90)
     at oracle.adfinternal.view.faces.ui.composite.UINodeRenderer.render(UINodeRenderer.java:36)
     at oracle.adfinternal.view.faces.uinode.UIXComponentUINode.renderInternal(UIXComponentUINode.java:177)
     at oracle.adfinternal.view.faces.uinode.UINodeRendererBase.encodeEnd(UINodeRendererBase.java:53)
     at oracle.adf.view.faces.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:624)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode._renderComponent(UIComponentUINode.java:317)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:262)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:239)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderChild(BaseRenderer.java:412)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:330)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:222)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderContent(BaseRenderer.java:129)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.render(BaseRenderer.java:81)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.XhtmlLafRenderer.render(XhtmlLafRenderer.java:69)
     at oracle.adfinternal.view.faces.uinode.UIXComponentUINode.renderInternal(UIXComponentUINode.java:177)
     at oracle.adfinternal.view.faces.uinode.UINodeRendererBase.encodeEnd(UINodeRendererBase.java:53)
     at oracle.adf.view.faces.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:624)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode._renderComponent(UIComponentUINode.java:317)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:262)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:239)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderChild(BaseRenderer.java:412)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.RowLayoutRenderer.renderChild(RowLayoutRenderer.java:95)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:330)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:222)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderContent(BaseRenderer.java:129)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.render(BaseRenderer.java:81)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.XhtmlLafRenderer.render(XhtmlLafRenderer.java:69)
     at oracle.adfinternal.view.faces.uinode.UIXComponentUINode.renderInternal(UIXComponentUINode.java:177)
     at oracle.adfinternal.view.faces.uinode.UINodeRendererBase.encodeEnd(UINodeRendererBase.java:53)
     at oracle.adf.view.faces.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:624)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode._renderComponent(UIComponentUINode.java:317)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:262)
     at oracle.adfinternal.view.faces.uinode.UIComponentUINode.render(UIComponentUINode.java:239)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderChild(BaseRenderer.java:412)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:330)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderIndexedChild(BaseRenderer.java:222)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.renderContent(BaseRenderer.java:129)
     at oracle.adfinternal.view.faces.ui.BaseRenderer.render(BaseRenderer.java:81)
     at oracle.adfinternal.view.faces.ui.laf.base.xhtml.XhtmlLafRenderer.render(XhtmlLafRenderer.java:69)
     at oracle.adfinternal.view.faces.uinode.UIXComponentUINode.renderInternal(UIXComponentUINode.java:177)
     at oracle.adfinternal.view.faces.uinode.UINodeRendererBase.encodeEnd(UINodeRendererBase.java:53)
     at oracle.adf.view.faces.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:624)
     at oracle.adfinternal.view.faces.renderkit.RenderUtils.encodeRecursive(RenderUtils.java:54)
     at oracle.adfinternal.view.faces.renderkit.core.CoreRenderer.encodeChild(CoreRenderer.java:242)
     at oracle.adfinternal.view.faces.renderkit.core.CoreRenderer.encodeAllChildren(CoreRenderer.java:265)
     at oracle.adfinternal.view.faces.renderkit.core.xhtml.PanelPartialRootRenderer.renderContent(PanelPartialRootRenderer.java:65)
     at oracle.adfinternal.view.faces.renderkit.core.xhtml.BodyRenderer.renderContent(BodyRenderer.java:117)
     at oracle.adfinternal.view.faces.renderkit.core.xhtml.PanelPartialRootRenderer.encodeAll(PanelPartialRootRenderer.java:147)
     at oracle.adfinternal.view.faces.renderkit.core.xhtml.BodyRenderer.encodeAll(BodyRenderer.java:60)
     at oracle.adfinternal.view.faces.renderkit.core.CoreRenderer.encodeEnd(CoreRenderer.java:169)
     at oracle.adf.view.faces.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:624)
     at javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:645)
     at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:568)
     at oracle.adf.view.faces.webapp.UIXComponentTag.doEndTag(UIXComponentTag.java:100)
     at UserPrivilegejspx._jspService(_UserPrivilege_jspx.java:1169)
     at com.orionserver[Oracle Containers for J2EE 10g (10.1.3.3.0) ].http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
     at oracle.jsp.runtimev2.JspPageTable.compileAndServe(JspPageTable.java:724)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:414)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:287)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:51)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:193)
     at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:283)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:198)
     at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:346)
     at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:152)
     at oracle.adfinternal.view.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:157)
     at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:107)
     at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
     at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:137)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:214)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:228)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:197)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:123)
     at oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:103)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:162)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)
Caused by: javax.faces.el.EvaluationException: Error getting property 'allNameList' from bean of type oracle.view.backing.UserPrivilege: java.lang.ClassCastException: oracle.model.class1
     at com.sun.faces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:109)
     at oracle.adfinternal.view.faces.model.FacesPropertyResolver.getValue(FacesPropertyResolver.java:92)
     at com.sun.faces.el.impl.ArraySuffix.evaluate(ArraySuffix.java:187)
     at com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:171)
     at com.sun.faces.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:263)
     at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:160)
     ... 138 more
Caused by: java.lang.ClassCastException: oracle.model.class1
     at oracle.view.backing.UserPrivilege.getAllNameList(UserPrivilege.java:60)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at com.sun.faces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:99)
     ... 143 more
How to resolve?
Thanks,
Melody

There was a recent thread on this issue,
Missing Descriptor in Servlet
Basically TopLink does not get notified of the undeployment of an app, so cannot remove the session from the SessionManager. (unless you are using CMP)
If you can receive notification of the deploy/undeploy you could remove or refresh the session from the session manager.
A simple way to do this would be to keep a static boolean variable in your apps class that accesses the session from the session manager. The first time you access the session refresh it and set the static to true.
To refresh a session from the session manager use the API,
SessionManager.getSession(XMLSessionConfigLoader/XMLLoader xmlLoader, String sessionName, ClassLoader classLoader, boolean shouldLoginSession, boolean shouldRefreshSession)
i.e.
SessionManager.getManager().getSession(new XMLSessionConfigLoader/XMLLoader("sessions.xml/or your file name/path"), "yourSessionName", yourClassLoader, true, true);
Only use this API the first time you access the session from the app.
You can also use the following code to remove a session,
SessionManager.getManager().getSessions().remove("yourSessionName");
I have logged this issue internally, hopefully a better solution will be provided in the 10.1.3 release.

Dyna Form +Validator Framework--- peculair problem with java.lang.Integer

In my struts application , i m using Dyna Action form,and Validator framework
<form-bean
name="myDynaForm"
type="org.apache.struts.validator.DynaValidatorForm">
<form-property name="name" type="java.lang.String"/>
<form-property name="phoneNo" type="java.lang.Integer"/>
</form-bean>
Now if user does not enter name , then a error meassage is dispalyed,
and aslo this time phoneNo shows 0.
why 0 is displayed here?
Can anybody tell me

Hi all,
If my memory serves me well, the exception is thrown because the application needs a working calendar for a person provided in time mangement. Make sure the correct infotypes are used. Also the organization structure needs to be set up correctly. The manager needs someone to approve and the employee needs someone to get approved by.
Regards, Marcel.

Can't convert int to java.lang.Integer.

Hi everyone.
I'm working on an auction site at the moment and have problems gaining a bidID number. This is part of my code and my error.
AuctionFacade aHse = (AuctionFacade) application.getAttribute("AuctionFacade");
String strTraderName = (String)session.getAttribute("traderName");
String strPassword = (String)session.getAttribute("password");
String strIDNum = request.getParameter("auctionID");
Integer intID = Integer.valueOf(strIDNum);
Integer [] bids = aHse.getAllBids(intID);
float fltYourBid = aHse.getBidPrice(bids.length);
^
Can't convert int to java.lang.Integer.
can anyone help please?

So, does "aHse.getBidPrice" expect an int or an Integer as its parameter? And does it return an int, or an Integer, or what? The answer to those questions may lead to your solution -- look at what you are actually using as the parameter, for example.

Integer and java.lang.Integer?

hi
I'm using DefaultTableModel method getValueAt which takes 2 integers as parameters
i have the vector colnumbers which has integers in it. Im trying to get these integers back out again to use in the getValue at method but the compilercomplains that i need int,int nad not int, java.lang.Integer.
Why are there 2 different integers? and how do i just get it back as int????
thanks
Vector unsorted = new Vector();
for(int j=0; j<colnumbers.size(); j++)
for(int i=0; i<=max_rows; i++)
     unsorted.add(tm.getValueAt(i,(Integer)colnumbers.elementAt(j)));
}

unsorted.add(
tm.getValueAt(
    i,
    ((Integer) colnumbers.elementAt( j )).intValue()
);you just needed to parenthesize to indicate that intValue() gets called on the result of casting colnumbers.elementAt( j ) to type Integer.

Java.lang.Integer behaviour

Hi all,
While preparing for my SCJP6 i was playing with the java.lang.Integer integer wrapper. I found some behaviour which I could not explain. Below is the code and output on jre6.
public void test(){
          Integer int1 = 100;
          Integer int2 = 100;
          System.out.println(int1!=int2);
          System.out.println(int1==int2);
          System.out.println(int1.equals(int2));
     }OUTPUT:
false
true
true
     public void test(){
          Integer int1 = 1000;
          Integer int2 = 1000;
          System.out.println(int1!=int2);
          System.out.println(int1==int2);
          System.out.println(int1.equals(int2));
     }OUTPUT:
true
false
true
As you can see the == and != operators behave differently for values 100 and 1000.
Please let me know why is it so.
Thanks.

Thanks for the post,
again i'd stress on the fact that I want to be able to determine the behavior of == and != operator regardless of whether i should use them or not.
Some place i have read that == actually Unboxes the object and compares the values and not the Object ref where as != always compares the obj ref only.
The behavior i have found is that both operators work on the actual object reference. If the Object value is >-129 and <128 then the JVM uses the same underlying object(cached one) and if the value is out of this range then new object is created.
So
Integer i=1000,i2=1000;
i==i2 OUTPUT false
i!=i2 OUTPUT true.
Integer i=100,i2=100;
i==i2 OUTPUT true
i!=i2 OUTPUT false.
I just want a web link where I can confirm my findings.
Edited by: rishabhchandra on Jun 20, 2009 7:30 PM

Java.lang.Integer defaulting to zero

I am using JAXB for several years, but never dived into details.
I am not using a schema.
When I am unmarshalling a XML file, JAXB always defaults my java.lang.Integer attributes to zero instead to null, when the attribute is not given in the XML file.
How can I change this? I like the Integers to be null, just like in a "normal" Java program.
Thanks
Markus

mkarg wrote:
When I am unmarshalling a XML file, JAXB always defaults my java.lang.Integer attributes to zero instead to null, when the attribute is not given in the XML file.I am using JAXB 2.1.3 in JDK 1.6. It uses java.math.BigInteger instead of java.lang.Integer for xs:integer types in schema.
It assigns null when attribute is not given in XML, this is similar to your need.
Which version of JAXB are you using?

Missing descriptor for class ...

I have this code to query (using SQLCall)
Session session = TopLinkSession.getSession();
     SQLCall call = new SQLCall("select c_pays_fonds from TDT31_UEB where no_cli=#no_cli");
     ReadObjectQuery query = new ReadObjectQuery(Tdt31Ueb.class);
     query.setCall(call);
     query.addArgument("no_cli");
     query.bindAllParameters();
     Vector arguments = new Vector();
     arguments.add(getCompte().getClientGarant().getNoCli());
     result = (Tdt31Ueb) session.executeQuery(query, arguments);
session.release();
When running, i have the error :
EXCEPTION [TOPLINK-6007] (TopLink - 9.0.3.4 (Build 432)): oracle.toplink.exceptions.QueryException
EXCEPTION DESCRIPTION: Missing descriptor for [class com.bnpparibas.bfi.ebo.atlas.dto.Tdt31Ueb].
QUERY: ReadObjectQuery(com.bnpparibas.bfi.ebo.atlas.dto.Tdt31Ueb)
     at oracle.toplink.exceptions.QueryException.descriptorIsMissing(Unknown Source)
     at oracle.toplink.queryframework.ObjectLevelReadQuery.checkDescriptor(Unknown Source)
     at oracle.toplink.queryframework.ReadObjectQuery.checkEarlyReturn(Unknown Source)
     at oracle.toplink.queryframework.DatabaseQuery.execute(Unknown Source)
     at oracle.toplink.queryframework.ReadQuery.execute(Unknown Source)
     at oracle.toplink.publicinterface.Session.internalExecuteQuery(Unknown Source)
     at oracle.toplink.publicinterface.Session.executeQuery(Unknown Source)
     at oracle.toplink.publicinterface.Session.executeQuery(Unknown Source)
     at com.bnpparibas.bfi.fmk.server.toplink.FmkDatabaseSession.executeQuery(Unknown Source)
     at com.bnpparibas.bfi.ebo.atlas.rg.EboRG032.getValue(EboRG032.java:38)
     at com.bnpparibas.bfi.eau.atlas.extracteur.ExtracteurStructure.extrait(Unknown Source)
     at com.bnpparibas.bfi.ebo.atlas.extracteur.ExtracteurGarantie.extraitGarantie(Unknown Source)
     at com.bnpparibas.bfi.ebo.atlas.extracteur.ExtracteurGarantie.extrait(Unknown Source)
     at com.bnpparibas.bfi.ebo.atlas.exe.ExtractionGarantie.execute(Unknown Source)
     at com.bnpparibas.bfi.ebo.atlas.exe.ExtractionGarantie.main(Unknown Source)
Any idea?
Laurent

There are a couple of possibilities that come to mind not knowing all the details of your code.
One, are you getting the session that has a descriptor defined for your class Tdt31Ueb? You may have more than one session defined and you aren't getting the right one.
Two, you're getting the right session but you either haven't defined a descriptor for Tdt31Ueb or you haven't exported an up to date project.xml from the Workbench (if you're using it). In JDeveloper the project.xml is automatically regenerated when you build your project so this isn't a problem in that environment.
Even if you use a SQLCall, TopLink needs a descriptor with mappings for your class so it know how to map all of the fields of your objects to the result set returned from the query.
--Shaun

Required: java.lang.Integer

This is test.java:
import java.lang.Integer;
class Testit {
Integer ix = (Integer)1;
This is the result of the javac:
javac ca\test.java
ca\test.java:4: inconvertible types
found : int
required: java.lang.Integer
Integer ix = (Integer)1;
^
1 error
Can anyone explain this?
Java is mysterious.
Thanks,
Grant Head

This is because 1 is not object in Java. Any integer is primitive type. They are not object. So you cannot cast them into object. If you want to creat Integer object from integer. Simply do following...
import java.lang.Integer;
class Testit {
Integer ix = new Integer(1);
}However, in C#, everything is object. Any integer, floating points are all object. That's one of difference between Java and C#.
Hope this help. :)
mrbabe

Test suites for Java.lang, java.util ?

Does anyone known a good (free) test suite for java.lang and java.util ?
I heard about "Mauve project" and was wondering how good it is...
any others equivalent projects ?
Thanks a lot !
Eg\\*

Hi,
because I will have to test a specific implementation of these package (on an embedded device).
Eg\\*

How to convert from java.lang.Integer to int

Could you please show me
how to convert from java.lang.Integer to int?
and how to convert from java.lang.Integer to String?
Thanks,
Minh

Could you please show me
how to convert from java.lang.Integer to int?
and how to convert from java.lang.Integer to String?Tip: always keep a browser open on the API docs; if you've got a
couple of MBs to spare, download the docs; it's very convenient.
kind regards,
Jos

Maximum capacity for java.lang.StringBuilder

What is the maximum capacity allowed for java.lang.StringBuilder ? Is it the maximum size of an 'int' ?

My guess is that the data model for StringBuilder is based on an array of characters (I'm not on my home computer so I can't look at the java source code for this). If so, then the capacity for it is the same as the capacity for any java array. This I know to be JVM specification specific. So the answer would vary depending on which JVM you are using.

Is there a forName() for java.lang.reflect.Type?

Is there an equivelant to Class.forName() for all types?
For example:forName("java.util.List<java.lang.Sring>");
//or
forName("int");Such a method would return a java.lang.reflect.Type, instead of return a java.lang.Class
See also
Field.getGenericType()
Method.getGenericReturnType()

incidentally, getGenericType() will give you the
generic type of the member being examined, not the
parameterized type.
that is, if I declare a method like this:
public <T extends MyInterface> T getStuff() {
}I won't be able to reflectively find out what types
of T are being used at runtime, only that it's of
type 'T'. of limited use really
Java's implementation of Generics isn't as good as it
could be, mainly to maintain backwards compatibiityYou are right in that case because that is not a ParameterizedType that is a TypeVariable.
Type can encompass both Types.

Uow registerObject: Missing descriptor for java.lang.Integer

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