Re: Update & Delete of an Enterprise Object causes EOEditingContext.saveChanges() to Exception

Mon, 10 Nov 2008 02:25:38 -0800 


On 8 Nov 2008, at 01:47, Chuck Hill wrote:
We really need the entire, complete stack trace. Something odd is going on. 

Chuck


Apologies for the delay.

Code

        public WOComponent updateTest() {       
                Session session = (Session) session();
                EOEditingContext ec = session.defaultEditingContext();
                

		DbTest dbObj = (DbTest) EOUtilities.objectWithPrimaryKeyValue(ec,  
"Test", 1);

                
                dbObj.setFreeText("why does this not work - ARGH!");
                ec.saveChanges(); /* This line throws the exception */

                return null;
        }

Stack Trace



[2008-11-10 10:15:42 GMT] <WorkerThread0>  
<com.webobjects.appserver._private.WOComponentRequestHandler>:  
Exception occurred while handling request:
com.webobjects.eoaccess.EOGeneralAdaptorException:  
updateStatementForRow: qualifier may not be null
[2008-11-10 10:15:42 GMT] <WorkerThread0>  
com.webobjects.eoaccess.EOGeneralAdaptorException:  
updateStatementForRow: qualifier may not be null
	at  
com 
.webobjects 
.eoaccess 
.EODatabaseContext 
._exceptionWithDatabaseContextInformationAdded(EODatabaseContext.java: 
4504)
	at  
com 
.webobjects 
.eoaccess.EODatabaseContext.performChanges(EODatabaseContext.java:6216)
	at  
com 
.webobjects 
.eocontrol 
.EOObjectStoreCoordinator 
.saveChangesInEditingContext(EOObjectStoreCoordinator.java:376)
	at  
com 
.webobjects 
.eocontrol.EOEditingContext.saveChanges(EOEditingContext.java:3192)
	at  
com 
.kennettnet.WOGeocacheServer.components.DbTest.updateTest(DbTest.java: 
101)

        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.webobjects.foundation.NSKeyValueCoding$ValueAccessor 
$1.methodValue(NSKeyValueCoding.java:636)
	at com.webobjects.foundation.NSKeyValueCoding 
$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134)
	at com.webobjects.foundation.NSKeyValueCoding 
$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1324)
	at com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java: 
1736)
	at com.webobjects.foundation.NSKeyValueCoding 
$Utility.valueForKey(NSKeyValueCoding.java:447)
	at com.webobjects.foundation.NSKeyValueCodingAdditions 
$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java: 
212)
	at  
com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java: 
1804)
	at  
com 
.webobjects 
.appserver 
._private 
.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50)
	at  
com 
.webobjects 
.appserver._private.WOSubmitButton.invokeAction(WOSubmitButton.java:70)
	at  
com 
.webobjects 
.appserver 
._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
	at  
com 
.webobjects 
.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
	at com.webobjects.appserver._private.WOForm.invokeAction(WOForm.java: 
141)
	at  
com 
.webobjects 
.appserver 
._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
	at  
com 
.webobjects 
.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
	at com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java: 
1079)
	at  
com 
.webobjects 
.appserver 
._private.WOComponentReference.invokeAction(WOComponentReference.java: 
127)
	at  
com 
.webobjects 
.appserver 
._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
	at  
com 
.webobjects 
.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
	at com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java: 
1079)

        at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357)

	at  
com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java: 
1745)
	at  
com 
.webobjects 
.appserver 
._private 
.WOComponentRequestHandler 
._dispatchWithPreparedPage(WOComponentRequestHandler.java:206)
	at  
com 
.webobjects 
.appserver 
._private 
.WOComponentRequestHandler 
._dispatchWithPreparedSession(WOComponentRequestHandler.java:298)
	at  
com 
.webobjects 
.appserver 
._private 
.WOComponentRequestHandler 
._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332)
	at  
com 
.webobjects 
.appserver 
._private 
.WOComponentRequestHandler 
._handleRequest(WOComponentRequestHandler.java:369)
	at  
com 
.webobjects 
.appserver 
._private 
.WOComponentRequestHandler 
.handleRequest(WOComponentRequestHandler.java:445)
	at  
com 
.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java: 
1687)
	at  
com 
.webobjects 
.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
	at  
com 
.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java: 
226)

        at java.lang.Thread.run(Thread.java:613)

Thanks,

-- Tim


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