Hi Chuck, 

thanks for the information.

Does it make sense to have a non-stateless non-synchronizing component?

My rule-of-thumb has always been stateless+non-synchronizing or 
non-stateless-synchronizing. But it seems to be a 2x2 matrix.

C.U.CW
-- 
The three great virtues of a programmer are Laziness, Impatience and Hubris. 
(Randal Schwartz)

On 13.11.2014, at 21:27, Chuck Hill <[email protected]> wrote:

> This is part of binding synchronization:
> at com.webobjects.appserver.WOComponent._doPushValuesUp(WOComponent.java:558)
> at 
> com.webobjects.appserver.WOComponent.pushValuesToParent(WOComponent.java:535)
> 
> You can either implement the setter or turn off automatic synchronization.
> 
> Chuck
> 
> 
> 
> On 2014-11-13, 12:16 PM, "CHRISTOPH WICK | i4innovation GmbH, Bonn" wrote:
> 
> I have a strange problem:
> 
> in a component I use a wo:if:
> 
> <wo:if condition = "$ses.programmeManager.providerCanChangeStatusToSUBMITTED">
> ...
> </wo:if>
> 
> Its 'condition' property is bound to a method that calculates true or false.
> There is no corresponding setter method like 
> 'setProviderCanChangeStatusToSUBMITTED(boolean b)' because it's not necessary 
> to store such a value.
> 
> Nevertheless my app crashes complaining that there is no corresponding setter 
> method (Stacktrace below).
> 
> For testing I implemented an empty setter method:
> 
>   public void setProviderCanChangeStatusToSUBMITTED(boolean b) {}
> 
> and then everything works fine.
> 
> Any ideas why WO is trying to call this setter method?
> 
> 
> Stacktrace is:
> 
> Nov 13 20:44:58 EBACMgmt[44444] WARN  NSLog  - 
> <er.extensions.appserver.ERXComponentRequestHandler>: Exception occurred 
> while handling request:
> <com.webobjects.foundation.NSKeyValueCoding$UnknownKeyException message 
> '<de.i4innovation.ebacmgmt.eo.managers.EMEventManager 0x6abafc4c> 
> takeValueForKey(): attempt to assign value to unknown key: 
> 'providerCanChangeStatusToSUBMITTED'.
> This class does not have an instance variable of the name 
> providerCanChangeStatusToSUBMITTED or _providerCanChangeStatusToSUBMITTED, 
> nor a method of the name setProviderCanChangeStatusToSUBMITTED or 
> _setProviderCanChangeStatusToSUBMITTED' object 
> 'de.i4innovation.ebacmgmt.eo.managers.EMEventManager@6abafc4c' key 
> 'providerCanChangeStatusToSUBMITTED'>
> [2014-11-13 20:44:58 MEZ] <WorkerThread0> 
> <com.webobjects.foundation.NSKeyValueCoding$UnknownKeyException message 
> '<de.i4innovation.ebacmgmt.eo.managers.EMEventManager 0x6abafc4c> 
> takeValueForKey(): attempt to assign value to unknown key: 
> 'providerCanChangeStatusToSUBMITTED'.
> This class does not have an instance variable of the name 
> providerCanChangeStatusToSUBMITTED or _providerCanChangeStatusToSUBMITTED, 
> nor a method of the name setProviderCanChangeStatusToSUBMITTED or 
> _setProviderCanChangeStatusToSUBMITTED' object 
> 'de.i4innovation.ebacmgmt.eo.managers.EMEventManager@6abafc4c' key 
> 'providerCanChangeStatusToSUBMITTED'>
> at 
> com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.handleTakeValueForUnboundKey(NSKeyValueCoding.java:1399)
> at 
> com.webobjects.foundation.NSKeyValueCoding$Utility.handleTakeValueForUnboundKey(NSKeyValueCoding.java:521)
> at 
> com.webobjects.foundation.NSKeyValueCoding$_KeyBinding.setValueInObject(NSKeyValueCoding.java:899)
> at 
> com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.takeValueForKey(NSKeyValueCoding.java:1354)
> at 
> com.webobjects.foundation.NSKeyValueCoding$Utility.takeValueForKey(NSKeyValueCoding.java:471)
> at 
> com.webobjects.foundation.NSValidation$DefaultImplementation.validateTakeValueForKeyPath(NSValidation.java:679)
> at 
> com.webobjects.foundation.NSValidation$Utility.validateTakeValueForKeyPath(NSValidation.java:504)
> at 
> com.webobjects.foundation.NSValidation$DefaultImplementation.validateTakeValueForKeyPath(NSValidation.java:687)
> at 
> com.webobjects.foundation.NSValidation$Utility.validateTakeValueForKeyPath(NSValidation.java:504)
> at 
> com.webobjects.foundation.NSValidation$DefaultImplementation.validateTakeValueForKeyPath(NSValidation.java:687)
> at 
> com.webobjects.appserver.WOComponent.validateTakeValueForKeyPath(WOComponent.java:1424)
> at 
> com.webobjects.appserver._private.WOKeyValueAssociation.setValue(WOKeyValueAssociation.java:76)
> at 
> ognl.helperfunction.WOHelperFunctionKeyValueAssociation.setValue(WOHelperFunctionKeyValueAssociation.java:21)
> at com.webobjects.appserver.WOComponent._doPushValuesUp(WOComponent.java:558)
> at 
> com.webobjects.appserver.WOComponent.pushValuesToParent(WOComponent.java:535)
> at 
> com.webobjects.appserver._private.WOComponentReference._popComponentFromContext(WOComponentReference.java:109)
> at 
> com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:128)
> 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:218)
> 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 
> er.extensions.components.conditionals.ERXWOConditional.invokeChildrenAction(ERXWOConditional.java:116)
> at 
> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
> at 
> er.extensions.components.conditionals.ERXWOConditional.invokeAction(ERXWOConditional.java:108)
> 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:168)
> 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:168)
> at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357)
> at 
> com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1745)
> at 
> er.extensions.appserver.ajax.ERXAjaxApplication.invokeAction(ERXAjaxApplication.java:119)
> at 
> er.extensions.appserver.ERXApplication.invokeAction(ERXApplication.java:1991)
> at 
> er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedPage(ERXComponentRequestHandler.java:157)
> at 
> er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedSession(ERXComponentRequestHandler.java:235)
> at 
> er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedApplication(ERXComponentRequestHandler.java:268)
> at 
> er.extensions.appserver.ERXComponentRequestHandler._handleRequest(ERXComponentRequestHandler.java:302)
> at 
> er.extensions.appserver.ERXComponentRequestHandler.handleRequest(ERXComponentRequestHandler.java:378)
> at 
> com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
> at 
> er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:2112)
> at 
> er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:2077)
> 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:722)
> 
> 
> C.U.CW
> --
> The three great virtues of a programmer are Laziness, Impatience and Hubris. 
> (Randal Schwartz)
> 
> 

Attachment: signature.asc
Description: Message signed with OpenPGP using GPGMail

 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list      ([email protected])
Help/Unsubscribe/Update your Subscription:
https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com

This email sent to [email protected]

Reply via email to