Re: Validation Exception
Re: Validation Exception
- Subject: Re: Validation Exception
- From: Marcos Trejo Munguia <email@hidden>
- Date: Tue, 15 Aug 2006 11:17:47 -0500
Hi Chuck,
First of all, thanks for your reply! I really appreciate your help.
I'll try to be more specific, I think I'm confusing you, so here I go.
I'm using MultiECLockManager to handle the locking/unlocking of my own editing contexts.
The code that inserts InventoryTransDetail's to the ec and adds them to the to-many relationship
"inventorytransdetails" in an eo of type InventoryTransHeader:
public void addItem() {
boolean addItemFailed = false;
if (productSelected == null) {
errors.takeValueForKey("Product is required", "product");
addItemFailed = true;
}
if (locationSelected == null) {
errors.takeValueForKey("Location is required", "location");
addItemFailed = true;
}
if (quantity == null) {
errors.takeValueForKey("Qty is required", "quantity");
addItemFailed = true;
} else if (quantity.doubleValue() <= 0) {
errors.takeValueForKey("Qty must be greater than 0", "quantity");
addItemFailed = true;
}
if (!addItemFailed) {
InventoryTransDetail transactionDetail = new InventoryTransDetail();
ec.insertObject(transactionDetail);
transaction.addObjectToBothSidesOfRelationshipWithKey(transactionDetail, "inventorytransdetails");
transactionDetail.setTranssign(Constant.ONE);
transactionDetail.setProduct(productSelected);
transactionDetail.setLocation(locationSelected);
transactionDetail.setSecondarylot(secondaryLot);
transactionDetail.setQty(quantity);
}
}
The code that deletes InventoryTransDetail's from the ec and removes them from the to-many relationship
"inventorytransdetails":
public void deleteItem() {
transaction.removeObjectFromBothSidesOfRelationshipWithKey(transactionDetailIterator, "inventorytransdetails");
ec.deleteObject(transactionDetailIterator);
}
The code that prints out the debugging information when the exception is thrown:
System.err.println("Complete Transaction");
for (Enumeration enum = transaction.inventorytransdetails().objectEnumerator(); enum.hasMoreElements(); ) {
System.err.println("\tItem: " + enum.nextElement());
}
System.err.println("Transaction items where product is null");
for (Enumeration enum = EOQualifier.filteredArrayWithQualifier(transaction.inventorytransdetails(), EOQualifier.qualifierWithQualifierFormat("product = nil", null)).objectEnumerator(); enum.hasMoreElements(); ) {
System.err.println("\tItem: " + enum.nextElement());
}
System.err.println("Registered objects where product is null");
for (Enumeration enum = EOQualifier.filteredArrayWithQualifier(EOQualifier.filteredArrayWithQualifier(ec.registeredObjects(), EOQualifier.qualifierWithQualifierFormat("entityName = 'InventoryTransDetail'", null)),
EOQualifier.qualifierWithQualifierFormat("product = nil", null)).objectEnumerator(); enum.hasMoreElements(); ) {
System.err.println("\tItem: " + enum.nextElement());
}
System.err.println("Inserted objects where product is null");
for (Enumeration enum = EOQualifier.filteredArrayWithQualifier(EOQualifier.filteredArrayWithQualifier(ec.insertedObjects(), EOQualifier.qualifierWithQualifierFormat("entityName = 'InventoryTransDetail'", null)),
EOQualifier.qualifierWithQualifierFormat("product = nil", null)).objectEnumerator(); enum.hasMoreElements(); ) {
System.err.println("\tItem: " + enum.nextElement());
}
System.err.println("Deleted objects where product is null");
for (Enumeration enum = EOQualifier.filteredArrayWithQualifier(EOQualifier.filteredArrayWithQualifier(ec.deletedObjects(), EOQualifier.qualifierWithQualifierFormat("entityName = 'InventoryTransDetail'", null)),
EOQualifier.qualifierWithQualifierFormat("product = nil", null)).objectEnumerator(); enum.hasMoreElements(); ) {
System.err.println("\tItem: " + enum.nextElement());
}
Finally the complete output generated by the above code, I added some colors and spaces for better readability:
Complete Transaction
Item: {values = {poreceptiondetail = "null"; lot = 421; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 1; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 10000; secondarylot = "1691"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product aff1e8 _EOIntegralKeyGlobalID[Product (java.lang.Integer)212]>"; }; this = "<InventoryTransDetail ce3b01 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -50 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 315; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 2; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "524"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 1b8a6af <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -49 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 316; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 3; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "525"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 1c76cab <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -48 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 317; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 4; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "526"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 1af691b <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -47 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 318; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 5; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "527"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 767237 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -46 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Transaction items where product is null
Registered objects where product is null
Item: {values = {poreceptiondetail = "null"; lot = 0; prefix = 0; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 6; inventorytransheader = "null"; qty = 7000; secondarylot = "528"; location = "null"; product = "null"; }; this = "<InventoryTransDetail 447a24 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -45 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Inserted objects where product is null
Item: {values = {poreceptiondetail = "null"; lot = 0; prefix = 0; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 6; inventorytransheader = "null"; qty = 7000; secondarylot = "528"; location = "null"; product = "null"; }; this = "<InventoryTransDetail 447a24 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -45 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Deleted objects where product is null
On Aug 15, 2006, at 12:06 AM, Chuck Hill wrote:
Hi Marcos,
I am still trying to recover from the flood of messages while I was at WWDC...
On Aug 10, 2006, at 11:43 AM, Marcos Trejo Munguia wrote:
Hello Chuck,
I was finally able to print the contents of ec.insertedObjects(), and here is what I've found:
Complete Transaction
Item: {values = {poreceptiondetail = "null"; lot = 421; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 1; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 10000; secondarylot = "1691"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product aff1e8 _EOIntegralKeyGlobalID[Product (java.lang.Integer)212]>"; }; this = "<InventoryTransDetail ce3b01 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -50 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 315; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 2; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "524"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 1b8a6af <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -49 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 316; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 3; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "525"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 1c76cab <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -48 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 317; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 4; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "526"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 1af691b <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -47 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Item: {values = {poreceptiondetail = "null"; lot = 318; prefix = 6; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 5; inventorytransheader = "<InventoryTransHeader 14b1008 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -51 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; qty = 7000; secondarylot = "527"; location = "<Location 1852c7f _EOIntegralKeyGlobalID[Location (java.lang.Integer)4]>"; product = "<Product 183e712 _EOIntegralKeyGlobalID[Product (java.lang.Integer)664]>"; }; this = "<InventoryTransDetail 767237 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -46 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Registered objects where product is null
Item: {values = {poreceptiondetail = "null"; lot = 0; prefix = 0; supplierlot = <com.webobjects.foundation.NSKeyValueCoding$Null>; transsign = 1; lineitem = 6; inventorytransheader = "null"; qty = 7000; secondarylot = "528"; location = "null"; product = "null"; }; this = "<InventoryTransDetail 447a24 <EOTemporaryGlobalID: 0 0 -64 -88 10 3 0 0 7 -26 -45 0 0 0 1 12 -39 19 64 63 103 116 -44 -5>>"; }
Interestingly, this is lineitem=6, with 1-5 being in the insertedObjects(). It appears that something has moved it out of insertedObjects() and into registeredObject(). As its EOGlobalID is temporary, it properly ought to be in insertedObjects(). I have seen things like this happen when an EC processed notifications during saveChanges() and it was not properly locked. Are you creating your own editing contexts? If so, are you using Project Wonder or the MultiECLockManager to manage locking them?
The other possibility is that deleteObject() is getting called on this InventoryTransDetail. I am not sure if that would result in what you are seeing or not. Is it possible that your code is deleting it? Are any other objects getting deleted during this transaction?
Are you calling revert() on the editing context before starting this transaction? It could be that some other failed transaction is still in the editing context (like a failed delete), and this is causing this to happen.
The first part(Complete Transaction) is the contents of transaction.inventorytransdetails(), and the second one is the contents of ec.registeredObjects() where product is null. As you can see the object where product is null is not part of transaction.inventorytransdetails(). Another interesting thing is that all to-one relationships are set to null, I don't have any idea of how this could have happened. In theory all objects in transaction. inventorytransdetails() should be in ec.registeredObjects().
I am not sure. Inserted objects may not appear there until after saveChanges() has succeeded. I don't recall for certain.
Chuck
On Aug 1, 2006, at 1:36 PM, Chuck Hill wrote:
On Aug 1, 2006, at 11:28 AM, Marcos Trejo Munguia wrote:
Thank you Chuck,
I'll check what I have in the editing context before saving changes, I'm 100% sure that productSelected.editingContext() == ec.
I just have to wait until the error appears again, because actually the error only appears in deployment and not all the time, annoying right? :-)
OK, that is a different problem. That sounds like a concurrency issue. Are you creating your own editing contexts? Are you locking them properly? Are you creating additional threads in your code?
Chuck
On Jul 31, 2006, at 11:35 PM, Chuck Hill wrote:
On Jul 31, 2006, at 4:34 PM, Marcos Trejo Munguia wrote:
Actually the relationship is to-many,
Well, I guess we can discard that theory. :-)
Here is the code that adds details to the header:
public void addItem() {
boolean addItemFailed = false;
if (productSelected == null) {
errors.takeValueForKey("Product is required", "product");
addItemFailed = true;
}
if (locationSelected == null) {
errors.takeValueForKey("Location is required", "location");
addItemFailed = true;
}
if (quantity == null) {
errors.takeValueForKey("Qty is required", "quantity");
addItemFailed = true;
} else if (quantity.doubleValue() <= 0) {
errors.takeValueForKey("Qty must be greater than 0", "quantity");
addItemFailed = true;
}
if (!addItemFailed) {
InventoryTransDetail transactionDetail = new InventoryTransDetail();
ec.insertObject(transactionDetail);
transaction.addObjectToBothSidesOfRelationshipWithKey(transactionDetail, "inventorytransdetails");
transactionDetail.setTranssign(Constant.ONE);
transactionDetail.setProduct(productSelected);
transactionDetail.setLocation(locationSelected);
transactionDetail.setSecondarylot(secondaryLot);
transactionDetail.setQty(quantity);
}
}
That looks fine.
Here is the code that throws the validation exception, this validateXXX are in the class InventoryTransDetail:
public Product validateProduct(Product newValue) throws NSValidation.ValidationException {
if (newValue == null) {
throw new NSValidation.ValidationException("Product is required");
}
return newValue;
}
Again, that looks fine.
I hope you can help me, I'll really appreciate any help with this, I have been struggling with this error for 6 months more less.
It still sounds to me like there is some other InventoryTransDetail object in that editing context. Have you tried printing out ec.insertedObjects() just before calling ec.saveChanges()? Is productSelected.editingContext() == ec?
Chuck
On Jul 31, 2006, at 5:39 PM, Chuck Hill wrote:
You probably have Propagate Primary Key set on this relationship. If the relationship is to-one and Propagate Primary Key is set, EOF will automatically create the object that is the destination of the relationship. You then create it again in your code, but the object that EOF created is still in the editing context, will all null values.
Chuck
On Jul 31, 2006, at 2:12 PM, Marcos Trejo Munguia wrote:
Hi list:
I've been having a problem with a validation exception that must not be happening, here is the stack trace:
com.webobjects.foundation.NSValidation$ValidationException: Product is required
at InventoryTransDetail.validateProduct(InventoryTransDetail.java:43)
at sun.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.webobjects.foundation._NSReflectionUtilities._invokeMethodOnObject(_NSReflectionUtilities.java:383)
at com.webobjects.foundation.NSValidation$_MethodBinding.validateValueOnObject(NSValidation.java:615)
at com.webobjects.foundation.NSValidation$DefaultImplementation._validateValueForKey(NSValidation.java:705)
at com.webobjects.eocontrol.EOCustomObject.validateValueForKey(EOCustomObject.java:1341)
at com.webobjects.eocontrol.EOCustomObject.validateForSave(EOCustomObject.java:1411)
at com.webobjects.eocontrol.EOCustomObject.validateForInsert(EOCustomObject.java:1473)
at com.webobjects.eocontrol.EOEditingContext.validateTable(EOEditingContext.java:2188)
at com.webobjects.eocontrol.EOEditingContext.validateChangesForSave(EOEditingContext.java:2968)
at com.webobjects.eocontrol.EOEditingContext._prepareForPushChanges(EOEditingContext.java:3222)
at com.webobjects.eocontrol.EOEditingContext.saveChanges(EOEditingContext.java:3152)
at ProductionReturn.save(ProductionReturn.java:240)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at KeyValueCodingProtectedAccessor.methodValue(KeyValueCodingProtectedAccessor.java:54)
at com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1160)
at com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1268)
at com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java:1539)
at com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:498)
at com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:212)
at com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1600)
at com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:46)
at com.webobjects.appserver._private.WOActiveImage.invokeAction(WOActiveImage.java:255)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver._private.WOConditional.invokeAction(WOConditional.java:55)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver._private.WOConditional.invokeAction(WOConditional.java:55)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver._private.WOConditional.invokeAction(WOConditional.java:55)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver._private.WOForm.invokeAction(WOForm.java:82)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver._private.WOConditional.invokeAction(WOConditional.java:55)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:945)
at com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:104)
at com.webobjects.appserver._private.WOSwitchComponent.invokeAction(WOSwitchComponent.java:171)
at com.webobjects.appserver._private.WOComponentContent.invokeAction(WOComponentContent.java:31)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WOGenericContainer.invokeAction(WOGenericContainer.java:23)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WOGenericContainer.invokeAction(WOGenericContainer.java:23)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:945)
at com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:104)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:110)
at com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:945)
at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1166)
at com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1375)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(WOComponentRequestHandler.java:196)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:287)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:322)
at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:358)
at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:432)
at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1306)
at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:254)
at java.lang.Thread.run(Unknown Source)
I'm using two tables(master-detail), the master is inserted in the EC when the component is loaded, then you can add details, the details are only created and inserted in the EC if the variables holding the values pass some validations(same validations are implemented in validateXXX methods in EO class), one of the validations is the one that is being thrown in saveChanges(). I've no idea of what I'm doing wrong. If you need a copy of the code and the component please let me now. I'll appreciate any help.
Thanks in advanced!
--
Coming in late 2006 - an introduction to web applications using WebObjects and Xcode http://www.global-village.net/wointro
Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects
--
Coming sometime... - an introduction to web applications using WebObjects and Xcode http://www.global-village.net/wointro
Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects
--
Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects
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