I supposed that the component ec should be created within the component itself.
So that any invalid objects will not affect other ec.
----- Original Message -----
From: Raghavender Bokka
To: Cheong Hee (Gmail)
Cc: Development WebObjects
Sent: Friday, June 01, 2012 7:16 PM
Subject: Re: NullPointerException in EODatabaseContext java
Hi Cheong Hee,
I am using the localEditingContext() method of GenericComponent class which
internally creates the ERXEC.newEditingContext().
Please advise if this not the component-based ec.
Regards,
Raghu.
On 01-Jun-2012, at 4:35 PM, Cheong Hee (Gmail) wrote:
Hi Raghu
May be you really need to look at how the object model design. Usually,
once the invalidate all objects, the ec will fetch again new objects and theirs
object graph. May be some code will be helpful. Also, pls remember to have
component-based ec.
Cheers
Cheong Hee
----- Original Message ----- From: "Raghavender Bokka"
<[email protected]>
To: "Cheong Hee (Gmail)" <[email protected]>
Cc: "Development WebObjects" <[email protected]>
Sent: Friday, June 01, 2012 2:17 PM
Subject: Re: NullPointerException in EODatabaseContext java
Hi Cheong Hee,
I tried invalidating the objects in ec, then we are able to view the
details of this eo object, but the other similar objects in the wodisplaygroup
list is behaving weirdly when they are selected.
Regards,
Raghu.
On 01-Jun-2012, at 11:41 AM, Cheong Hee (Gmail) wrote:
i guessed one quick way is to invalidate the objects in ec and force it
to refetch from db.
----- Original Message ----- From: "Raghavender Bokka"
<[email protected]>
To: "Development WebObjects" <[email protected]>
Sent: Thursday, May 31, 2012 9:04 PM
Subject: NullPointerException in EODatabaseContext java
Hi Team,
I have created an enterprise object with one-to-many relationship
objects associating. Then in the search page searched for these enterprise
objects (that has WODisplayGroup), I am able to view the newly created object,
but when I try to select that object to view the details it is generating the
following exception. If I restart the application then I am able to view the
details of the newly created object without any error, or If we try accessing
the newly created object after sometime (around half an hour later) then
without error able to view the object details. Otherwise the enterprise object
is getting null.
This enterprise object's super class has the database table, and this
object does not has the database table, it points to the same database table of
the super class. And the to-many relationship is existing with this enterprise
object (sub-class), not the super class.
Any help would be appreciated.
------------------------EXCEPTION--------------------------------------------------
[2012-5-31 8:25:4 EDT] <WorkerThread7> java.lang.NullPointerException
at
com.webobjects.eoaccess.EODatabaseContext.arrayFaultWithSourceGlobalID(EODatabaseContext.java:3510)
at
com.webobjects.eoaccess.EODatabaseContext._fireDeferredFaultWithSourceObject(EODatabaseContext.java:2377)
at
com.webobjects.eoaccess.EOAccessDeferredFaultHandler.createFaultForDeferredFault(EOAccessDeferredFaultHandler.java:49)
at
com.webobjects.eocontrol.EOCustomObject.willReadRelationship(EOCustomObject.java:1279)
at
com.webobjects.eocontrol._EOMutableKnownKeyDictionary$Initializer$_LazyGenericRecordBinding.valueInObject(_EOMutableKnownKeyDictionary.java:614)
at
com.webobjects.eocontrol.EOCustomObject.storedValueForKey(EOCustomObject.java:1634)
at _StoredDistrictTest.storedTestItems(_StoredDistrictTest.java:33)
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
KeyValueCodingProtectedAccessor.methodValue(KeyValueCodingProtectedAccessor.java:60)
at
com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134)
at
com.webobjects.eocontrol.EOCustomObject.valueForKey(EOCustomObject.java:1498)
at
com.webobjects.eocontrol.EOCustomObject.eoDescription(EOCustomObject.java:793)
at
com.webobjects.eocontrol.EOCustomObject.toString(EOCustomObject.java:299)
at java.lang.String.valueOf(String.java:2826)
at java.lang.StringBuilder.append(StringBuilder.java:115)
at StoredTestListPage.printTestSession(StoredTestListPage.java:276)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
KeyValueCodingProtectedAccessor.methodValue(KeyValueCodingProtectedAccessor.java:60)
at
com.webobjects.foundation.NSKeyValueCoding$_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.WOHyperlink.invokeAction(WOHyperlink.java:98)
at
er.extensions.components._private.ERXHyperlink.invokeAction(ERXHyperlink.java:66)
at
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
at
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
at
er.extensions.components._private.ERXWORepetition.invokeAction(ERXWORepetition.java:496)
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.WOConditional.invokeAction(WOConditional.java:86)
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.WOConditional.invokeAction(WOConditional.java:86)
at
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
at
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
at
er.extensions.components._private.ERXWOForm.invokeAction(ERXWOForm.java:219)
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.WOConditional.invokeAction(WOConditional.java:86)
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.WOComponentContent.invokeAction(WOComponentContent.java:38)
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.WOConditional.invokeAction(WOConditional.java:86)
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.WOHTMLURLValuedElement.invokeAction(WOHTMLURLValuedElement.java:149)
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
er.extensions.components.ERXComponent.invokeAction(ERXComponent.java:102)
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
er.extensions.components.ERXComponent.invokeAction(ERXComponent.java:102)
at
com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357)
at Session.invokeAction(Session.java:179)
at
com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1745)
at
er.extensions.appserver.ajax.ERXAjaxApplication.invokeAction(ERXAjaxApplication.java:93)
at
er.extensions.appserver.ERXApplication.invokeAction(ERXApplication.java:1869)
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:442)
at
com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
at
er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1984)
at
er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1949)
at Application.dispatchRequest(Application.java:742)
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:619)
-------------------- Regards,
Raghu.
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