Application Module - No Trx Please

OK, so I have an application module with a bunch of ViewObjects and ViewObjectLinks and no entity objects. All ViewObjects are defined with SQL queries. I use this application module in Stateless mode using BC4J JSP tags only.
Once in awhile (maybe 4 times a day), we get a stack trace like below. The person is "stuck" after it happens the first time - as if they are hanging onto an appmod reference with a stale JDBC connection. That'd be OK except it looks like it's trying to do a rollback using this stale connection before it releases it and grabs a new app mod from the pool. Why is it doing a rollback? I have nothing in the code that implies any updating is going on. Can I use an application module with no implicit trx? It looks possible to do this with Stateful mode, but I don't want to use that unless it's necessary.
JBO-30003: The application pool (com.cxtec.itemsearch.db.ItemSearchAppMod.ItemSearchAppModLocal) failed to checkout an application module due to the following exception:
oracle.jbo.DMLException: JBO-26066: Error during rollback.
     at oracle.jbo.server.DefaultTxnHandlerImpl.handleRollback(DefaultTxnHandlerImpl.java:153)
     at oracle.jbo.server.DBTransactionImpl.doRollback(DBTransactionImpl.java:3657)
     at oracle.jbo.server.DBTransactionImpl.rollback(DBTransactionImpl.java:1826)
     at oracle.jbo.server.ApplicationModuleImpl.resetState(ApplicationModuleImpl.java:3156)
     at oracle.jbo.server.ApplicationModuleImpl.resetState(ApplicationModuleImpl.java:3145)
     at oracle.jbo.server.DBTransactionImpl.disconnect(DBTransactionImpl.java:3971)
     at oracle.jbo.server.DBTransactionImpl2.disconnect(DBTransactionImpl2.java:306)
     at oracle.jbo.server.DBTransactionImpl.disconnect(DBTransactionImpl.java:4108)
     at oracle.jbo.common.ampool.DefaultConnectionStrategy.disconnect(DefaultConnectionStrategy.java:328)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.disconnect(ApplicationPoolImpl.java:2979)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.recycleUnreferencedInstance(ApplicationPoolImpl.java:1586)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.doCheckout(ApplicationPoolImpl.java:1386)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:2062)
     at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:398)
     at oracle.jbo.http.HttpSessionCookieImpl.useApplicationModule(HttpSessionCookieImpl.java:230)
     at oracle.jbo.html.jsp.datatags.ApplicationModuleTag.doStartTag(ApplicationModuleTag.java:193)
     at jrun__itempage2ejspd._jspService(jrun__itempage2ejspd.java:61)
     at jrun.jsp.runtime.HttpJSPServlet.service(HttpJSPServlet.java:43)
     at jrun.jsp.JSPServlet.service(JSPServlet.java:110)
     at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
     at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
     at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:226)
     at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:527)
     at jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:198)
     at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:451)
     at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
## Detail 0 ##
java.sql.SQLException: This Connection has either timed out or been closed, and it has returned to its pool. You must re-acquire the Connection.
     at jrun.sql.JRunConnectionHandle.assertConnectionExists(JRunConnectionHandle.java:50)
     at jrun.sql.JRunConnectionHandle.rollback(JRunConnectionHandle.java:107)
     at oracle.jbo.server.DefaultTxnHandlerImpl.handleRollback(DefaultTxnHandlerImpl.java:139)
     at oracle.jbo.server.DBTransactionImpl.doRollback(DBTransactionImpl.java:3657)
     at oracle.jbo.server.DBTransactionImpl.rollback(DBTransactionImpl.java:1826)
     at oracle.jbo.server.ApplicationModuleImpl.resetState(ApplicationModuleImpl.java:3156)
     at oracle.jbo.server.ApplicationModuleImpl.resetState(ApplicationModuleImpl.java:3145)
     at oracle.jbo.server.DBTransactionImpl.disconnect(DBTransactionImpl.java:3971)
     at oracle.jbo.server.DBTransactionImpl2.disconnect(DBTransactionImpl2.java:306)
     at oracle.jbo.server.DBTransactionImpl.disconnect(DBTransactionImpl.java:4108)
     at oracle.jbo.common.ampool.DefaultConnectionStrategy.disconnect(DefaultConnectionStrategy.java:328)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.disconnect(ApplicationPoolImpl.java:2979)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.recycleUnreferencedInstance(ApplicationPoolImpl.java:1586)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.doCheckout(ApplicationPoolImpl.java:1386)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:2062)
     at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:398)
     at oracle.jbo.http.HttpSessionCookieImpl.useApplicationModule(HttpSessionCookieImpl.java:230)
     at oracle.jbo.html.jsp.datatags.ApplicationModuleTag.doStartTag(ApplicationModuleTag.java:193)
     at jrun__itempage2ejspd._jspService(jrun__itempage2ejspd.java:61)
     at jrun.jsp.runtime.HttpJSPServlet.service(HttpJSPServlet.java:43)
     at jrun.jsp.JSPServlet.service(JSPServlet.java:110)
     at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
     at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
     at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:226)
     at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:527)
     at jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:198)
     at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:451)
     at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)

It is not possible to prevent the BC4J rollback. However, I believe that you are running into a known 9.0.3 issue. Please install metalink patch 2705796 and see if it resolves the issue.
Another workaround is to enable JDBC connection release upon ApplicationPool release (-Djbo.doconnectionpooling=true).
Hope this helps,
JR

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at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
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at $Proxy48.findProposals(Unknown Source)
... 15 more
Caused by: oracle.jbo.service.errors.ServiceException: JBO-30003: Application pool oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.TerritoryProposalPublicService fails to check out an application module due to the following exception:: null
at oracle.jbo.service.errors.ServiceExceptionHelper.extractServiceException(ServiceExceptionHelper.java:612)
at oracle.jbo.server.svc.ServiceImpl.extractServiceException(ServiceImpl.java:1014)
at oracle.jbo.server.svc.ServiceImpl.find(ServiceImpl.java:2399)
at oracle.jbo.server.svc.ServiceImpl.find(ServiceImpl.java:2323)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl.findProposals(TerritoryProposalPublicServiceImpl.java:138)
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.jee.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:104)
at oracle.jbo.server.svc.ServiceContextInterceptor.removeCurrentADFContext(ServiceContextInterceptor.java:96)
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.jee.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:69)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.jee.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:104)
at oracle.jbo.server.svc.ServiceContextInterceptor.removeCurrentADFContext(ServiceContextInterceptor.java:96)
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.jee.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:69)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.jee.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:104)
at oracle.security.jps.ee.ejb.JpsAbsInterceptor$1.run(JpsAbsInterceptor.java:94)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.ejb.JpsAbsInterceptor.runJaasMode(JpsAbsInterceptor.java:81)
at oracle.security.jps.ee.ejb.JpsAbsInterceptor.intercept(JpsAbsInterceptor.java:112)
at oracle.security.jps.ee.ejb.JpsInterceptor.intercept(JpsInterceptor.java:105)
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.jee.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:69)
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.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 $Proxy222.findProposals(Unknown Source)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl_wqbnfu_TerritoryProposalPublicServiceImpl.__WL_invoke(Unknown Source)
at weblogic.ejb.container.internal.SessionRemoteMethodInvoker.invoke(SessionRemoteMethodInvoker.java:40)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl_wqbnfu_TerritoryProposalPublicServiceImpl.findProposals(Unknown Source)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl_wqbnfu_TerritoryProposalPublicServiceImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:667)
at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:230)
at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:522)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:518)
at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Exception in thread "main" oracle.jbo.service.errors.ServiceException: JBO-30003: Application pool oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.TerritoryProposalPublicService fails to check out an application module due to the following exception:: null
at oracle.jbo.service.errors.ServiceExceptionHelper.extractServiceException(ServiceExceptionHelper.java:612)
at oracle.jbo.server.svc.ServiceImpl.extractServiceException(ServiceImpl.java:1014)
at oracle.jbo.server.svc.ServiceImpl.find(ServiceImpl.java:2399)
at oracle.jbo.server.svc.ServiceImpl.find(ServiceImpl.java:2323)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl.findProposals(TerritoryProposalPublicServiceImpl.java:138)
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.jee.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:104)
at oracle.jbo.server.svc.ServiceContextInterceptor.removeCurrentADFContext(ServiceContextInterceptor.java:96)
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.jee.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:69)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.jee.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:104)
at oracle.jbo.server.svc.ServiceContextInterceptor.removeCurrentADFContext(ServiceContextInterceptor.java:96)
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.jee.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:69)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.jee.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:104)
at oracle.security.jps.ee.ejb.JpsAbsInterceptor$1.run(JpsAbsInterceptor.java:94)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.ejb.JpsAbsInterceptor.runJaasMode(JpsAbsInterceptor.java:81)
at oracle.security.jps.ee.ejb.JpsAbsInterceptor.intercept(JpsAbsInterceptor.java:112)
at oracle.security.jps.ee.ejb.JpsInterceptor.intercept(JpsInterceptor.java:105)
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.jee.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:69)
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.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 $Proxy222.findProposals(Unknown Source)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl_wqbnfu_TerritoryProposalPublicServiceImpl.__WL_invoke(Unknown Source)
at weblogic.ejb.container.internal.SessionRemoteMethodInvoker.invoke(SessionRemoteMethodInvoker.java:40)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl_wqbnfu_TerritoryProposalPublicServiceImpl.findProposals(Unknown Source)
at oracle.apps.sales.territoryMgmt.territories.territoryService.applicationModule.server.TerritoryProposalPublicServiceImpl_wqbnfu_TerritoryProposalPublicServiceImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:667)
at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:230)
at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:522)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:518)
at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)

Hi Frank,
This is the service impl class TerritoryProposalPublicServiceImpl for our product's application module "TerritoryProposalPublicServiceAM".
I added a new service method in this AM. I am using ServiceFactory class to call this method "findProposals()", first time when i run the code it invokes the service correctly, second time it fails throwing this errors.
I found the place where it is getting exception, these are all frame works classes
ServiceImpl.invokeCustom() -> calls acquireResources() method -> Calls ServiceConfiguration.getRootApplicationModule(this.getApplicationModuleDefName(), this.getConfigurationName()); -> Calls getApplicationModule()
Exception is thrown from the line in bold
Properties props = SDOValueStoreHelper.INSTANCE.getAppModuleSessionProperties();
props.put(ServiceSessionImpl.SESSION_APPMODULE_NAME, pool.getName());
props.put(ServiceSessionImpl.SESSION_TRANSACTION_ID, id);
SessionCookie sess = pool.findOrCreateSessionCookie(id, id, props);
sess.setEnvInfoProvider(envInfo);
SDOValueStoreHelper.INSTANCE.setSessionEnv(sess);
sess.setEnvironment(ServiceSessionImpl.SESSION_APPMODULE_NAME, pool.getName());
sess.setEnvironment(ServiceSessionImpl.SESSION_TRANSACTION_ID, id);
appModule = sess.useApplicationModule();
//bug9215734,
appModule.getTransaction().setBundledExceptionMode(true);
Please see if you can figure out why sess.useApplicationModule() not able to find application module.

Finding Application Module name in read-only view object classes

Hi all,
I have a fairly basic question about finding application module name when we are coding in ViewObject java classes.
I want to know how can I obtain <<application module>> NAME that our current view object is contained in it at run-time. I think there should be a way to find current application module NAME, when we are in ViewObject classes including View Object, View Row or view object definition classes (I've overridden all mentioned classes).
I should notify that since our view object is read-only I may not count on view object's entity classes, coz as you know a read-only view object don't have any entity in it!
So, if you have any idea about finding current application module name in view object java classes please let me know.
Appreciate for your replies,
Nasser

Thanks guy, it was helpful:)
Now i can access application module name through viewObject classes.
But another question is raised...sorry if i m boring:( I promise its the final question ;)
Is there a way to get application module name in an extended version of JboException class?
Thanks again for your reply:)
Nasser

Application Module's "query-on-commit" flag

Hi All,
Can you please guide how to set Application Module's "query-on-commit" flag as on/off.

You'll want to create a method in your application module class that will expose your reporting functionality. You can do this by:
1. Selecting your AppModule.
2. Opening AppModuleImpl.java
3. Creating a method to expose the necessary reporting services.
4. You'll then need to make this method accessible by opening AppModule editor and clicking on "Client Interface". Shuttle your method to the "Selected" side.
In the method you create in AppModule.java, pass the module (this) into your report class. You can then perform any actions you with such as querying VO's, updating, etc.
Finally, for your view/controller layer you'll want to call the newly added methods in your AppModule class instead of calling your reporting classes directly. This will make your code cleaner and easier to maintain as well and also control (encapulate) the reporting services you want to expose to others.
Hope that helps.

Application Module - Commit Transactions

Hi, I have implemented a way to identify a foreign key, in the view object edit page, and put a lov beside it. When the user puts some invalid value in the foreign key field it validates the field and back to the edit page. But now I want to put another button beside the foreign key that allow the user to insert an entity of the foreign key view object type.
For example:
I have a sales page that have the following fields: code_sales, total_price, prod_id(foreign key), date... The user can choose a product from the LOV beside it or puts a prod_id directly on the field . Once the user has putted a invalid prod_id(a prod_id that does not exist on the product table) the system alerts the user indicating what field has generated the error and the user has the option to insert a new product or choose another product. If the user has choosen to insert a new product the system opens the product view object edit page and inserserts a new product. The problem is that when I insert and commit the product information it generates an error becouse the sales row is not valid. How can I insert the product in a independent way. Maybe I should open a new Application Module.
Please, what can I do?
Thanks in advance,
Junior

It does not work. I have tryed to insert the row in the Product's VO but the Product I have just inserted does not appears int the Product's LOV.
Here is the code I have tryed:
<jbo:Row id="myrowNew" datasource="ds" rowkeyparam="jboRowKey" action="updateNewRow" />
<%
TmsProductViewRowImpl viewRowImpl = (TmsProductViewRowImpl)myrowNew;
TmsProductViewImpl vo = (TmsProductViewImpl) viewRowImpl.getViewObject();
vo.insertRow(myrowNew);
%>Junior:
The above code looks to me that you are inserting row back in the Product VO, not Products LOV VO. If I undestand your app correctly, we have two VOs: ProductVO which you're using to create a new Product and ProductLOVVO which you're using to build the LOV.
Your myrowNew is one created and inserted by ProductVO. Your "vo.insertRow(myrowNew)" will end up inserting myrowNew twice into ProductVO (which you wouldn't want). Instead, you want to insert myrowNew into ProductLOVVO. Assuming that named of the Product LOV VO is ProductLOVVO, you would want to change the code snippet above to something like the following:
<jbo:Row id="myrowNew" datasource="ds" rowkeyparam="jboRowKey" action="updateNewRow" />
<%
    TmsProductViewRowImpl viewRowImpl = (TmsProductViewRowImpl)myrowNew;
    // Replace "ProductLOVVO" with the appropriate Product LOV VO's name
    ViewObject productLOVVO = viewRowImpl.getViewObject().getApplicationModule().findViewObject("ProductLOVVO");
    productLOVVO.insertRow(myrowNew);
%>Thanks.
Sung

"Application module is not a root app module but has no parent"

This is to follow up on my answered question on rootAN substitution
Re: "login session has expired" after am substitution
I am working on an OAF extension.
I have a new LOV region. I extended (to be substituted) the seeded VO, call it xxVO. And I have three custom methods using this xxVO that are called from processFormRequest of my controller which extends the seeded controller.
So putting these methods in rootAM and AM substitution didn't work as some folks pointed out.
So I created xxAM (extends root AM), put xxVO in xxAM’s data model and put my methods in xxAM, set this xxAM as AMDefinition for my custom LOV region.
In my controller I do
OAApplicationModule xxAM = new xxprg.oracle.apps.icx.por.req.server.xxprgRequisitionAMImpl();
But I am getting
=> oracle.apps.fnd.framework.OAException: oracle.jbo.InvalidOwnerException: JBO-25301: Application module is not a root app module but has no parent
at
xxAM.invokeMethod("handleChangeRequester", parameters);
I found a few posts on the same topic. One advise was to not instantiate ‘new’ AM but do something like this
Xo2cAcctOviewExtAMImpl amExt = (Xo2cAcctOviewExtAMImpl )pageContext.getApplicationModule(webBean);
In this example I am confused about the fact that ‘getApplicationModule(webBean);’ which is used in the signature of the processFormRequest will return a ‘rootAM’, is this correct?
There was another workaround mentioned in other posts to not use xxAM at all but build a class to mimic an xxAM passing all needed values that custom methods require. In which case how(or better where) do I instantiate xxVO since now xxVO won’t be part of any AM data model?
Can someone please clarify.
Thank you
Anatoliy

Pratap,
Thank you for the response.
The reason I need to use new xxCO on the page is this.
Seeded page CheckoutLinesPG.
It has advanced table on it where every column has it's one external region.
The new LOV region xxRN is put on a page also under this table new column.
1. When a requester (seeded region on the seeded page) is changed then my xxLOV should reflect the change and be populated according to what is selected in the Requester LOV.
2. When one-time address is added (another seeded region on the seeded page) my xxLOV should be disabled, when one time address taken out - enabled again.
So xxCO should apply to the whole page.
The VO behind advanced table PoRequisitionLinesVO is extended with 2 additional attributes and will substitute, the new xxVO is under xxAM data model.
All works fine with my methods in the seeded RequisitionAM which I get a handle to in the xxCO. But I don;t know how to get the handle to the xxAM if I put my methods there.
Thanks,
Anatoliy
P.S. just fyi - I know it is not the recommended approach but what I did for now I put all calls into the controller - in the controller I can get a handle to root AM, through that I am getting a handle to xxVO which (!) is substituted during runtime with my xxVO. But if you can figure out how to get a handle to xxAM in my case it will be great.
Edited by: asmirnov on Mar 24, 2009 2:04 PM

Application module creation for (web) services

Hello,
We are running into stack overflows from ADF BC (BC4J) with oracle.jbo.client.Configuration.createRootApplicationModule. We want to make sure we're doing this right.
If you have data bound services (e.g. product lookup) and you don't want to put your operation/exposed method in the application module Impl class for clear seperation (unlike ADF toy store sample), is it appropriate to:
1. Create a Java service class that you will expose as J2EE web service
2. The method to be exposed will call Configuration.createRootApplicationModule to checkout an app module from pool.
3. Find the view object, run the query, get the row.
4. Configuration.releaseRootApplicationModule to check it back in.
Please share your best practices and recommended approach with us.
Thanks,
- Zak

I'd recommend using our built-in feature for exposing an application module class as a J2EE web service. This will code-generate a class for you that does the AM access correctly.

Can not extend an application module

I have been trying to extend an application module in AP. At first when I created the new am and clicked on the extends button the window did not include any of the payment modules, just the ones from the tutorial. I tried a bunch of things to get the payments module (PsrAM) to appear in the window. I finally changed the path for an application module in the Base Classes screen to oracle.apps.ap.payments.psr.server.PsrAMImpl. Now it appears in the window for selection however, when I select it I get the message: Unable to extend from this object. Application Module oracle.apps.ap.payments.psr.server.PsrAM has an invalid view instance TemplateFullVO1. The code was copied right from the server and I can run the application in jDeveloper so I doubt that it is actually invalid.
First was I right in changing the base classes to point to it? And if I should not have done that then how do I get the am to appear on the screen to extend from.
Second, do I need to fix that before I worry about the error message?
Glad for any help you can give me.

Dennis
1) when you try to extend any file you should get the calls files from sever which releated to your extend file and also placed in your jdev myclass folder.
2) in myprojects folder create your custom path placed your java files (which you get class files from server you need to convert to java those files need to place).
then you falow the steps bellow.
- Identify the requried AM for extension
- download all the requried class & xml files from server
- configure the JDev in local PC for extension
- create new AM, which extends the existing AM
- do the requried changes in AM java file. (Override the methods in new AM for functionality change)
- specify the subtution for new AM & existing AM in project .jpx file
- compile the newly created java files to class files
- copy .class & .xml files back to server as per the package strecture
- import the .jpx file to server MDS repository
- test changes
please let me know if any required.
Regards,
Chandra

Application Module - No Trx Please

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