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something is changing a value behind my back
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something is changing a value behind my back

  • Subject: something is changing a value behind my back
  • From: WO Dev <email@hidden>
  • Date: Fri, 6 Jul 2007 09:49:08 +0200
Hi,

I'm using some int variables to manage the different part of a component like:
public final static int search = 0;
private int status = search;
public final static int inAddWriteLive = 1;
public final static int inListWriteLive = 2;

but I've got some weird issue, like something is changing the value behind my back. I've added:
NSLog.out.appendln(new RuntimeException("item called"));
in my setter method to track what's calling it.

So here's what I got when I'm calling the following method:
	public WOComponent edit() {
		setStatus(inAddWriteLive);
		return context().page();
	}

----------------------------------------
AWAKE
status: 2
[2007-07-06 09:42:35 CEST] <WorkerThread3> java.lang.RuntimeException: item called
at WriteLiveComp.setStatus(WriteLiveComp.java:92)
at WriteLiveComp.edit(WriteLiveComp.java:162)
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 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.WOHyperlink.invokeAction (WOHyperlink.java:76)
at er.extensions.ERXHyperlink.invokeAction(ERXHyperlink.java:56)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction (WODynamicGroup.java:101)
at er.extensions.ERXWOConditional.invokeChildrenAction (ERXWOConditional.java:93)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction (WODynamicGroup.java:110)
at er.extensions.ERXWOConditional.invokeAction(ERXWOConditional.java: 84)
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 er.extensions.ERXWORepetition.invokeAction(ERXWORepetition.java:390)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction (WODynamicGroup.java:101)
at er.extensions.ERXWOConditional.invokeChildrenAction (ERXWOConditional.java:93)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction (WODynamicGroup.java:110)
at er.extensions.ERXWOConditional.invokeAction(ERXWOConditional.java: 84)
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.WOComponentContent.invokeAction (WOComponentContent.java:31)
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.WOComponentContent.invokeAction (WOComponentContent.java:31)
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.WOComponentContent.invokeAction (WOComponentContent.java:31)
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._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._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:1168)
at com.webobjects.appserver.WOApplication.invokeAction (WOApplication.java:1375)
at er.extensions.ERXAjaxApplication.invokeAction (ERXAjaxApplication.java:74)
at er.extensions.ERXApplication.invokeAction(ERXApplication.java:992)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedPage(WOComponentRequestHandler.java:196)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedSession(WOComponentRequestHandler.java:287)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedApplication(WOComponentRequestHandler.java:322)
at com.webobjects.appserver._private.WOComponentRequestHandler._handleReque st(WOComponentRequestHandler.java:358)
at com.webobjects.appserver._private.WOComponentRequestHandler.handleReques t(WOComponentRequestHandler.java:432)
at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306)
at er.extensions.ERXApplication.dispatchRequest(ERXApplication.java: 1041)
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(Thread.java:613)

[2007-07-06 09:42:35 CEST] <WorkerThread3> java.lang.RuntimeException: item called
at WriteLiveComp.setStatus(WriteLiveComp.java:92)
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 KeyValueCodingProtectedAccessor.setMethodValue (KeyValueCodingProtectedAccessor.java:65)
at com.webobjects.foundation.NSKeyValueCoding $_MethodBinding.setValueInObject(NSKeyValueCoding.java:1175)
at com.webobjects.foundation.NSKeyValueCoding $_NumberMethodBinding.setValueInObject(NSKeyValueCoding.java:1205)
at com.webobjects.foundation.NSKeyValueCoding $DefaultImplementation.takeValueForKey(NSKeyValueCoding.java:1293)
at com.webobjects.appserver.WOComponent.takeValueForKey (WOComponent.java:1550)
at com.webobjects.foundation.NSKeyValueCoding$Utility.takeValueForKey (NSKeyValueCoding.java:519)
at com.webobjects.foundation.NSValidation $DefaultImplementation.validateTakeValueForKeyPath(NSValidation.java: 733)
at com.webobjects.appserver.WOComponent.validateTakeValueForKeyPath (WOComponent.java:1273)
at com.webobjects.appserver._private.WOKeyValueAssociation.setValue (WOKeyValueAssociation.java:71)
at com.webobjects.appserver.WOComponent._doPushValuesUp (WOComponent.java:569)
at com.webobjects.appserver.WOComponent.pushValuesToParent (WOComponent.java:547)
at com.webobjects.appserver._private.WOComponentReference._popComponentFrom Context(WOComponentReference.java:91)
at com.webobjects.appserver._private.WOComponentReference.invokeAction (WOComponentReference.java:105)
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:1168)
at com.webobjects.appserver.WOApplication.invokeAction (WOApplication.java:1375)
at er.extensions.ERXAjaxApplication.invokeAction (ERXAjaxApplication.java:74)
at er.extensions.ERXApplication.invokeAction(ERXApplication.java:992)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedPage(WOComponentRequestHandler.java:196)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedSession(WOComponentRequestHandler.java:287)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedApplication(WOComponentRequestHandler.java:322)
at com.webobjects.appserver._private.WOComponentRequestHandler._handleReque st(WOComponentRequestHandler.java:358)
at com.webobjects.appserver._private.WOComponentRequestHandler.handleReques t(WOComponentRequestHandler.java:432)
at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306)
at er.extensions.ERXApplication.dispatchRequest(ERXApplication.java: 1041)
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(Thread.java:613)

APPEND
status: 2
----------------------------------------

All this is triggered, the first "part" is OK, my status is changed to the correct one and I can see which line of the edit() method is calling the setter...
But something triggers the setter again right after without any action on my side, but it seems I can't see which method/line is calling the setter again and changing its value.

Any clue on what's going on here?

Thanks

Xavier

PS: the AWAKE and APPEND is a log to print the status value in the awake and appendToResponse methods.
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