Field that is not persistent in Entity class

Hi all,
I have entity class "Author" it has OneToMany relationship with "Article" Entity.
I want to create nbArticles in Author class, just is Long variable to get number of Articles created by this Author. That field is not persist just calculated from query, how can i define new field in Entity class without JPA manages persistance over it? Thanks.
PD: sorry for my English, im from South America
Best regards,

Thanks a lot.
Best regards,

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Hi,
Declare a range as :
ranges : r_hkont for bseg-hkont.
fill in the values
r_hkont-sign = 'I'.
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Original Question:
Is there any way to prevent fields from being submitted? I have fields that are only conditionally displayed on the screen, but the values are submitted every time.
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Hi,
Declare a range as :
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Hello,
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I send all methods codes by order :
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Hi,
I'm seeing a strange behavior in Weblogic (10.3.3) when using EclipseLink (2.0.2).
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Why should this be the case?
I downloaded EclipseLinks' source and debugged the application. It seems that the problem occurs because "*+descriptors+*" collection field in "*+org.eclipse.persistence.internal.sessions.AbstractSession+*" class doesn't have the entity's descriptor and thus it doesn't recognize it as an Entity. I reckon restarting the server updates that cache. But what about the second solution? Why is that working? Is "maven" directory in JAR file's META-INF directory known to weblogic?
Edited by: Keibi on Jul 11, 2012 5:36 PM
Edited by: Keibi on Jul 11, 2012 5:37 PM

How would moving the persistence.xml file help?
Here is the stacktrace:
Error 500--Internal Server Error
javax.ejb.EJBTransactionRolledbackException: EJB Exception: : java.lang.IllegalArgumentException: Object: com.xxx.entities.XyzEntity@13b8dea is not a known entity type.
     at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.registerNewObjectForPersist(UnitOfWorkImpl.java:4184)
     at org.eclipse.persistence.internal.jpa.EntityManagerImpl.persist(EntityManagerImpl.java:368)
     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:597)
     at weblogic.deployment.BasePersistenceContextProxyImpl.invoke(BasePersistenceContextProxyImpl.java:93)
     at weblogic.deployment.TransactionalEntityManagerProxyImpl.invoke(TransactionalEntityManagerProxyImpl.java:91)
     at weblogic.deployment.BasePersistenceContextProxyImpl.invoke(BasePersistenceContextProxyImpl.java:80)
     at weblogic.deployment.TransactionalEntityManagerProxyImpl.invoke(TransactionalEntityManagerProxyImpl.java:26)
     at $Proxy68.persist(Unknown Source)
     at com.xxx.persistence.DatabaseBean.PersistEntity(DatabaseBean.java:19)
     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:597)
     at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.jee.spi.MethodInvocationVisitorImpl.visit(MethodInvocationVisitorImpl.java:37)
     at weblogic.ejb.container.injection.EnvironmentInterceptorCallbackImpl.callback(EnvironmentInterceptorCallbackImpl.java:54)
     at com.bea.core.repackaged.springframework.jee.spi.EnvironmentInterceptor.invoke(EnvironmentInterceptor.java:50)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
     at $Proxy74.PersistEntity(Unknown Source)
     at com.xxx.persistence.DatabaseBean_7z3dqu_DatabaseImpl.PersistEntity(DatabaseBean_7z3dqu_DatabaseImpl.java:56)
     at com.xxx.persistence.DatabaseBean_7z3dqu_DatabaseImpl_WLSkel.invoke(Unknown Source)
     at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:174)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:345)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:259)
     at com.xxx.persistence.DatabaseBean_7z3dqu_DatabaseImpl_1033_WLStub.PersistEntity(Unknown Source)
     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:597)
     at weblogic.ejb.container.internal.RemoteBusinessIntfProxy.invoke(RemoteBusinessIntfProxy.java:84)
     at $Proxy72.PersistEntity(Unknown Source)
     at com.xxx.bll.PlaceOrderBean.Save(PlaceOrderBean.java:21)
     at com.xxx.bll.PlaceOrderBean.addOrder(PlaceOrderBean.java:17)
     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:597)
     at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.jee.spi.MethodInvocationVisitorImpl.visit(MethodInvocationVisitorImpl.java:37)
     at weblogic.ejb.container.injection.EnvironmentInterceptorCallbackImpl.callback(EnvironmentInterceptorCallbackImpl.java:54)
     at com.bea.core.repackaged.springframework.jee.spi.EnvironmentInterceptor.invoke(EnvironmentInterceptor.java:50)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
     at $Proxy73.addOrder(Unknown Source)
     at com.xxx.bll.PlaceOrderBean_u8t8vo_PlaceOrderImpl.addOrder(PlaceOrderBean_u8t8vo_PlaceOrderImpl.java:56)
     at com.xxx.bll.PlaceOrderBean_u8t8vo_PlaceOrderImpl_WLSkel.invoke(Unknown Source)
     at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:174)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:345)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:259)
     at com.xxx.bll.PlaceOrderBean_u8t8vo_PlaceOrderImpl_1033_WLStub.addOrder(Unknown Source)
     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:597)
     at weblogic.ejb.container.internal.RemoteBusinessIntfProxy.invoke(RemoteBusinessIntfProxy.java:84)
     at $Proxy71.addOrder(Unknown Source)
     at com.xxx.web.PlaceOrderServlet.service(PlaceOrderServlet.java:32)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3686)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
; nested exception is:
     java.lang.IllegalArgumentException: Object: com.xxx.entities.XyzEntity@13b8dea is not a known entity type.; nested exception is: java.lang.IllegalArgumentException: Object: com.xxx.entities.XyzEntity@13b8dea is not a known entity type.
     at weblogic.ejb.container.internal.BaseRemoteObject.handleSystemException(BaseRemoteObject.java:818)
     at weblogic.ejb.container.internal.BaseRemoteObject.postInvoke1(BaseRemoteObject.java:518)
     at weblogic.ejb.container.internal.StatelessRemoteObject.postInvoke1(StatelessRemoteObject.java:49)
     at weblogic.ejb.container.internal.BaseRemoteObject.__WL_postInvokeTxRetry(BaseRemoteObject.java:445)
     at com.xxx.persistence.DatabaseBean_7z3dqu_DatabaseImpl.PersistEntity(DatabaseBean_7z3dqu_DatabaseImpl.java:68)
     at com.xxx.persistence.DatabaseBean_7z3dqu_DatabaseImpl_WLSkel.invoke(Unknown Source)
     at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:174)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:345)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:259)
     at com.xxx.persistence.DatabaseBean_7z3dqu_DatabaseImpl_1033_WLStub.PersistEntity(Unknown Source)
     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:597)
     at weblogic.ejb.container.internal.RemoteBusinessIntfProxy.invoke(RemoteBusinessIntfProxy.java:84)
     at $Proxy72.PersistEntity(Unknown Source)
     at com.xxx.bll.PlaceOrderBean.Save(PlaceOrderBean.java:21)
     at com.xxx.bll.PlaceOrderBean.addOrder(PlaceOrderBean.java:17)
     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:597)
     at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.jee.spi.MethodInvocationVisitorImpl.visit(MethodInvocationVisitorImpl.java:37)
     at weblogic.ejb.container.injection.EnvironmentInterceptorCallbackImpl.callback(EnvironmentInterceptorCallbackImpl.java:54)
     at com.bea.core.repackaged.springframework.jee.spi.EnvironmentInterceptor.invoke(EnvironmentInterceptor.java:50)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
     at $Proxy73.addOrder(Unknown Source)
     at com.xxx.bll.PlaceOrderBean_u8t8vo_PlaceOrderImpl.addOrder(PlaceOrderBean_u8t8vo_PlaceOrderImpl.java:56)
     at com.xxx.bll.PlaceOrderBean_u8t8vo_PlaceOrderImpl_WLSkel.invoke(Unknown Source)
     at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:174)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:345)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:259)
     at com.xxx.bll.PlaceOrderBean_u8t8vo_PlaceOrderImpl_1033_WLStub.addOrder(Unknown Source)
     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:597)
     at weblogic.ejb.container.internal.RemoteBusinessIntfProxy.invoke(RemoteBusinessIntfProxy.java:84)
     at $Proxy71.addOrder(Unknown Source)
     at com.xxx.web.PlaceOrderServlet.service(PlaceOrderServlet.java:32)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3686)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: java.lang.IllegalArgumentException: Object: com.xxx.entities.XyzEntity@13b8dea is not a known entity type.
     at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.registerNewObjectForPersist(UnitOfWorkImpl.java:4184)
     at org.eclipse.persistence.internal.jpa.EntityManagerImpl.persist(EntityManagerImpl.java:368)
     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:597)
     at weblogic.deployment.BasePersistenceContextProxyImpl.invoke(BasePersistenceContextProxyImpl.java:93)
     at weblogic.deployment.TransactionalEntityManagerProxyImpl.invoke(TransactionalEntityManagerProxyImpl.java:91)
     at weblogic.deployment.BasePersistenceContextProxyImpl.invoke(BasePersistenceContextProxyImpl.java:80)
     at weblogic.deployment.TransactionalEntityManagerProxyImpl.invoke(TransactionalEntityManagerProxyImpl.java:26)
     at $Proxy68.persist(Unknown Source)
     at com.xxx.persistence.DatabaseBean.PersistEntity(DatabaseBean.java:19)
     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:597)
     at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.jee.spi.MethodInvocationVisitorImpl.visit(MethodInvocationVisitorImpl.java:37)
     at weblogic.ejb.container.injection.EnvironmentInterceptorCallbackImpl.callback(EnvironmentInterceptorCallbackImpl.java:54)
     at com.bea.core.repackaged.springframework.jee.spi.EnvironmentInterceptor.invoke(EnvironmentInterceptor.java:50)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
     at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
     at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
     at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
     at $Proxy74.PersistEntity(Unknown Source)
     at com.xxx.persistence.DatabaseBean_7z3dqu_DatabaseImpl.PersistEntity(DatabaseBean_7z3dqu_DatabaseImpl.java:56)
     ... 61 more

Exception Description: Entity class [] has no primary key....

Received the following error in jdeveloper - some info on how to fix would be greatly appreciated
[EclipseLink/JPA Client] Adding Java options: -javaagent:C:\oracle\MiddlewareNew\jdeveloper\modules\oracle.toplink_11.1.1\eclipselink.jar
C:\Oracle\MiddlewareNew\jdk160_05\bin\javaw.exe -client -classpath C:\JDeveloper\mywork\APP_CM_AUTONUM_GEN\.adf;C:\JDeveloper\mywork\APP_CM_AUTONUM_GEN\SAM_CM_AUTONUM_GEN\classes;C:\oracle\MiddlewareNew\jdeveloper\modules\oracle.toplink_11.1.1\toplink.jar;C:\oracle\MiddlewareNew\jdeveloper\modules\oracle.toplink_11.1.1\antlr.jar;C:\oracle\MiddlewareNew\modules\com.bea.core.antlr.runtime_2.7.7.jar;C:\oracle\MiddlewareNew\modules\javax.persistence_1.0.0.0_1-0.jar;C:\oracle\MiddlewareNew\jdeveloper\modules\oracle.toplink_11.1.1\eclipselink.jar;C:\oracle\MiddlewareNew\jdeveloper\modules\oracle.xdk_11.1.1\xmlparserv2.jar;C:\oracle\MiddlewareNew\jdeveloper\modules\oracle.xdk_11.1.1\xml.jar;C:\oracle\MiddlewareNew\modules\javax.jsf_1.2.0.0.jar;C:\oracle\MiddlewareNew\modules\javax.ejb_3.0.1.jar;C:\oracle\MiddlewareNew\modules\javax.enterprise.deploy_1.2.jar;C:\oracle\MiddlewareNew\modules\javax.interceptor_1.0.jar;C:\oracle\MiddlewareNew\modules\javax.jms_1.1.1.jar;C:\oracle\MiddlewareNew\modules\javax.jsp_1.1.0.0_2-1.jar;C:\oracle\MiddlewareNew\modules\javax.jws_2.0.jar;C:\oracle\MiddlewareNew\modules\javax.activation_1.1.0.0_1-1.jar;C:\oracle\MiddlewareNew\modules\javax.mail_1.1.0.0_1-1.jar;C:\oracle\MiddlewareNew\modules\javax.xml.soap_1.3.1.0.jar;C:\oracle\MiddlewareNew\modules\javax.xml.rpc_1.2.1.jar;C:\oracle\MiddlewareNew\modules\javax.xml.ws_2.1.1.jar;C:\oracle\MiddlewareNew\modules\javax.management.j2ee_1.0.jar;C:\oracle\MiddlewareNew\modules\javax.resource_1.5.1.jar;C:\oracle\MiddlewareNew\modules\javax.servlet_1.0.0.0_2-5.jar;C:\oracle\MiddlewareNew\modules\javax.transaction_1.0.0.0_1-1.jar;C:\oracle\MiddlewareNew\modules\javax.xml.stream_1.1.1.0.jar;C:\oracle\MiddlewareNew\modules\javax.security.jacc_1.0.0.0_1-1.jar;C:\oracle\MiddlewareNew\modules\javax.xml.registry_1.0.0.0_1-0.jar;C:\oracle\MiddlewareNew\wlserver_10.3\server\lib\weblogic.jar -javaagent:C:\oracle\MiddlewareNew\jdeveloper\modules\oracle.toplink_11.1.1\eclipselink.jar SAM.CMAUTONUMGENClient
java.lang.reflect.InvocationTargetException
     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:597)
     at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:323)
     at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:338)
Caused by: java.lang.reflect.InvocationTargetException
     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:597)
     at org.eclipse.persistence.internal.jpa.deployment.JavaSECMPInitializerAgent.initializeFromAgent(JavaSECMPInitializerAgent.java:45)
     at org.eclipse.persistence.internal.jpa.deployment.JavaSECMPInitializerAgent.premain(JavaSECMPInitializerAgent.java:38)
     ... 6 more
Caused by: javax.persistence.PersistenceException: Exception [EclipseLink-28018] (Eclipse Persistence Services - 1.0.2 (Build 20081024)): org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Predeployment of PersistenceUnit [SAM_CM_AUTONUM_GEN] failed.
Internal Exception: Exception [EclipseLink-7161] (Eclipse Persistence Services - 1.0.2 (Build 20081024)): org.eclipse.persistence.exceptions.ValidationException
Exception Description: Entity class [class oracle.SamCmAutonumGen] has no primary key specified. It should define either an @Id, @EmbeddedId or an @IdClass. If you have defined PK using any of these annotations then please make sure that you do not have mixed access-type (both fields and properties annotated) in your entity class hierarchy.
     at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:870)
     at org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.callPredeploy(JPAInitializer.java:101)
     at org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.initPersistenceUnits(JPAInitializer.java:149)
     at org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.initialize(JPAInitializer.java:135)
     at org.eclipse.persistence.internal.jpa.deployment.JavaSECMPInitializer.initializeFromAgent(JavaSECMPInitializer.java:145)
     ... 12 more
Caused by: Exception [EclipseLink-28018] (Eclipse Persistence Services - 1.0.2 (Build 20081024)): org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Predeployment of PersistenceUnit [SAM_CM_AUTONUM_GEN] failed.
Internal Exception: Exception [EclipseLink-7161] (Eclipse Persistence Services - 1.0.2 (Build 20081024)): org.eclipse.persistence.exceptions.ValidationException
Exception Description: Entity class [class oracle.SamCmAutonumGen] has no primary key specified. It should define either an @Id, @EmbeddedId or an @IdClass. If you have defined PK using any of these annotations then please make sure that you do not have mixed access-type (both fields and properties annotated) in your entity class hierarchy.
     at org.eclipse.persistence.exceptions.EntityManagerSetupException.predeployFailed(EntityManagerSetupException.java:210)
     ... 17 more
Caused by: Exception [EclipseLink-7161] (Eclipse Persistence Services - 1.0.2 (Build 20081024)): org.eclipse.persistence.exceptions.ValidationException
Exception Description: Entity class [class oracle.SamCmAutonumGen] has no primary key specified. It should define either an @Id, @EmbeddedId or an @IdClass. If you have defined PK using any of these annotations then please make sure that you do not have mixed access-type (both fields and properties annotated) in your entity class hierarchy.
     at org.eclipse.persistence.exceptions.ValidationException.noPrimaryKeyAnnotationsFound(ValidationException.java:1245)
     at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.validatePrimaryKey(EntityAccessor.java:1173)
     at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.process(EntityAccessor.java:486)
     at org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processORMMetadata(MetadataProcessor.java:443)
FATAL ERROR in native method: processing of -javaagent failed
     at org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:303)
     at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:830)
     ... 16 more
Exception in thread "main" Process exited with exit code 1.

Hi,
you may want to try the J2EE forum here on OTN in case you don't get a sufficient answer to the problem.
Frank

Finding Fields that have validation... HELP I'm Stuck!

I have a very complex form with 15 views which is status driven (draft, submit, complete, return, UAT, cancel)
I can run the form through all statuses except RETURN, when I set status=return, all of the sudden some validation comes up that says required fields are not filled out, look for the asterisk or dashed border to find them. The thing is, they are not on the
canvas... I have checked EVERYTHING. I went through every field within myFields, I even restructured everything, checked ALL rules with the rule inspector, checked everything to do with the status, I cannot find it at all...
Is there a way for infopath to TELL ME what field it thinks needs data to validate? I am at wits end and have spent over two full days on this.
Sadly I don't know exactly when this stopped working, so I cannot restore to a previous form version.
I am looking for something to show me the field that is required. I don't even have access to run any code (I don't have Visual Studio Tools for Applications, nor can I install it).

So I found the validation error.
To anyone that finds this from a search: I have several "hidden fields" that are not on the canvas, but get populated from other values and or set by rules or button presses.
This specific issue was because I had a button press setting: "isReturned" to "TRUE" when status=return but apparently only True is accepted for boolean. I changed my fields to string instead to get rid of that complication. Rather an annoyance as InfoPath
shows TRUE/FALSE in the available dropdown values, but if you set the value to that (in caps) from something else, it doesn't work properly.
Another note: The reason I was able to find this was I added the "Go To Next Error" button to the ribbon, which is not there by default. (I am using infopath filler)
To do that: File>Options>Customize Ribbon>"Choose commands from" Commands not in ribbon>Go To Next Error> Add
Then when I had the error, I could click it and it would actually show me the field and error instead of the generic "validation error check for asterisk".
I really wish I had found this months ago, but probably one of those hard learned lessons for people beginning with infopath.

Create a foreign key from a field that is part of a mulitple primary key

Hi,
i had a table named T_A, with a double primary key : (A,B)
Then i created a table named T_B with a field : C.
I want this field T_B.C to take only values that already exist in field T_A.A.
So i tried to create a foreign key on my field T_B.C, pointing on the field T_A.A : an error message appeared "not possible to create a foreign key on a field that is not a primary key".
How can i solve this....? If U have any idea, please mail me !!
THANX very much.

Add column A as foreign key into the table T_BHow?
(was the question from the original poster. Adding a column to table T_B that happen to have same name as the corresponding column in table T_A would not allow you to add the foreign key).
SQL> create table t_a (a number, b number, primary key(a, b)) ;
Table created.
SQL> create table t_b(a number, c number, constraint foreign key references t_a(a)) ;
create table t_b(a number, c number, constraint foreign key references t_a(a))
ERROR at line 1:
ORA-02270: no matching unique or primary key for this column-list
SQL>

Field that dosen't permit Copy&paste.

Hi everybody,
     I need to create an input field in a screen that doesnt and wont permit coping from it. In other words an input field that is visible but not selectable. Another way to solve my need would be to restrict the paste of this field.
Ive thought of creating an image from it and posting it but its too complicated and would consume a lot of resources. If anybody has a better idea or knows how to do this please answer.
Thanks a lot.

Hi Jorge,
To have a field that does not allow copying from it is difficult to handle. In fact almost impossible, if there is NO other activity on the screen.
You would have to write your own event handler in ABAP objects and build a trigger mechanism that listens to the activation or déactivation of a field.
However, in order to give you some help, there is a way to cleanup the CLIPBOARD (so any entries in it are removed, thus preventing a CTRL+V (paste) operation.
Simply place this in the first PAI module of your screen:
DATA: myrc TYPE i.
CALL METHOD cl_gui_frontend_services=>clipboard_export
CHANGING
    rc = myrc
EXCEPTIONS
    CNTL_ERROR   = 1
    ERROR_NO_GUI = 2
    others       = 3.
Of course you need to handle possible errors (clean up SY-SUBRC). Also keep in mind, that this does NOT prevent COPY & PASTE operation, as long as the screen has NOT passed the PAI event in your program.
Hope this gives you a clue,
Regards,
Rob.

Detail subform fields repeat if not un-set ; preamble ?

Hi, I have a detail subform <detailform1> with Qty - Desc - Price - Extended. When I pass in the following XML, it seems to repeat fields that were not provided. first line has <qty>2</qty> <Desc>Cartons of Beer</Desc> <Price>$10</Price> <Extended>$20</Extended> second line <Qty>1</Qty> <Extended>$30</Extended> But it appears as 2|Cartons of Beer|$10|$20 1|Cartons of Beer|$10|$30 I was hoping for 2|Cartons of Beer|$10|$20 1|||$30 I am guessing I have to reset the values each line, if they are not passed in the XML. I don't understand the logic of preamble yet, but I am thinking that I need to define an event for the "Entry" of <detailform1> to reset/clear the values of all other fields? If you can help me with the syntax for the preamble, I will send you those 2 cartons of beer. We drink Tooheys-New or XXXX here in Australia. Cheers, Jarrod

I seemed to have got it working. I had a lot of trouble because my XML Group tag was the same as my subform name. Now I have changed my subform to be called "Detail" and my XML Group tag to be "DetailData" <DetailData> <qty>2</qty> <Desc>Cartons of Beer</Desc> <Price>$10</Price> <Extended>$20</Extended> </DetailData> Central Pro turns this <DetailData> XML into this ; ^group G_DetailData ^global qty 2 ^global Desc Cartons of Beer ^global Price $10 ^global Extended $20 ^group G_END_DetailData In my Preamble, I put these 2 lines ^define group:G_DetailData @group:D_Detail.\groupResetFields. ^define group:ResetFields \defineresolveglobal:qty.\defineresolveglobal:Desc.\defineresolveglobal:Price.\definereso lveglobal:Extended. From my limited understanding , the first line says, when the line group G_DetailData appears in the datafile, do the following 1. @group:D_Detail : which views the Detail subform (D_ is for dictionary) 2. then run the group ResetFields second line, defines Group (subprocedure) ResetFields, which sets the global value of each the fields to blank. Looks like I get to keep my beers. haha Cheers, Jarrod

Field that is not persistent in Entity class

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