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Re: ExistsInRelationshipQualifier
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Re: ExistsInRelationshipQualifier

  • Subject: Re: ExistsInRelationshipQualifier
  • From: "Daniele Corti" <email@hidden>
  • Date: Thu, 6 Dec 2007 09:30:53 +0100
Thank You Pierre! It works perfectly! lololol

2007/12/6, Pierre Bernard <email@hidden>:
The fix has been committed to http://houdah-webobjects-frameworks.googlecode.com/svn/trunk/HoudahEOAccess/src/com/houdah/eoaccess/qualifiers/ExistsInRelationshipQualifierSupport.java

Pierre

On Dec 5, 2007, at 11:39 PM, David Holt wrote:

> Dear Pierre,
>
> I had the entire eocontrol framework added to my project. Weird! I
> cleaned and rebuilt the project and....
>
> now it works!! Thanks so much!! This is such a helpful qualifier to
> me!!
>
> Did you want me to post something back to the list about this
> problem's resolution? Or will you put the fix in the Houdah framework?
>
> That was really useful. Thanks again,
>
> David
>
> On 5-Dec-07, at 2:33 PM, Pierre Bernard wrote:
>
>> David,
>>
>> You have a compilation error. You lack
>> AbstractKeyValueCodingProtectedAccessor from the
>> HoudahFoundationFramework.
>>
>> You could either drop KeyValueCodingProtectedAccessor from the
>> com.houdah.eocontrol.qualifiers package or go grab
>> AbstractKeyValueCodingProtectedAccessor.
>>
>> Pierre
>>
>> On Dec 5, 2007, at 11:13 PM, David Holt wrote:
>>
>>> This is quite the detective work!! Thanks so much for helping me
>>> out with this. Your fix got me further, but then the following
>>> happened:
>>>
>>> java.lang.Error: Unresolved compilation problems:
>>>     The method accessor(Field) is undefined for the type
>>> KeyValueCodingProtectedAccessor
>>>     Incompatible operand types NSKeyValueCoding.ValueAccessor and
>>> KeyValueCodingProtectedAccessor
>>>
>>>     at
>>> com
>>> .houdah
>>> .eocontrol
>>> .qualifiers
>>> .KeyValueCodingProtectedAccessor
>>> .setFieldValue(KeyValueCodingProtectedAccessor.java:70)
>>>     at com.webobjects.foundation.NSKeyValueCoding
>>> $_FieldBinding._setValidatedValueInObject(NSKeyValueCoding.java:
>>> 1044)
>>>     at com.webobjects.foundation.NSKeyValueCoding
>>> $_FieldBinding.setValueInObject( NSKeyValueCoding.java:1052)
>>>     at com.webobjects.foundation.NSKeyValueCoding
>>> $DefaultImplementation.takeValueForKey(NSKeyValueCoding.java:1293)
>>>     at com.webobjects.foundation.NSKeyValueCoding
>>> $Utility.takeValueForKey(NSKeyValueCoding.java:521)
>>>     at
>>> com
>>> .houdah
>>> .eocontrol
>>> .qualifiers
>>> .ExistsInRelationshipQualifier
>>> .clone(ExistsInRelationshipQualifier.java:288)
>>>     at
>>> com
>>> .houdah
>>> .eoaccess
>>> .qualifiers
>>> .ExistsInRelationshipQualifierSupport
>>> .schemaBasedQualifierWithRootEntity
>>> (ExistsInRelationshipQualifierSupport.java:218)
>>>     at com.webobjects.eoaccess.EOQualifierSQLGeneration
>>> $
>>> Support
>>> ._schemaBasedQualifierWithRootEntity(EOQualifierSQLGeneration.java:
>>> 165)
>>>     at com.webobjects.eoaccess.EOQualifierSQLGeneration
>>> $
>>> _NotQualifierSupport
>>> .schemaBasedQualifierWithRootEntity(EOQualifierSQLGeneration.java:
>>> 564)
>>>     at com.webobjects.eoaccess.EOQualifierSQLGeneration
>>> $
>>> Support
>>> ._schemaBasedQualifierWithRootEntity(EOQualifierSQLGeneration.java:
>>> 165)
>>>     at
>>> er
>>> .extensions
>>> .ERXSQLHelper.sqlExpressionForFetchSpecification( ERXSQLHelper.java:
>>> 449)
>>>     at
>>> er
>>> .extensions
>>> .ERXSQLHelper.rowCountForFetchSpecification(ERXSQLHelper.java:513)
>>>     at
>>> er
>>> .extensions
>>> .ERXEOAccessUtilities
>>> .rowCountForFetchSpecification(ERXEOAccessUtilities.java:284)
>>>     at
>>> er
>>> .extensions
>>> .ERXBatchingDisplayGroup.rowCount( ERXBatchingDisplayGroup.java:189)
>>>     at
>>> er
>>> .extensions
>>> .ERXBatchingDisplayGroup.refetch(ERXBatchingDisplayGroup.java:216)
>>>     at
>>> er
>>> .extensions
>>> .ERXBatchingDisplayGroup.fetch(ERXBatchingDisplayGroup.java:276)
>>>     at
>>> TryNewStuffDisplayGroup
>>> .artifactDisplayGroup(TryNewStuffDisplayGroup.java :60)
>>>     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 :216)
>>>     at
>>> com
>>> .webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:
>>> 1600)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:
>>> 46)
>>>     at
>>> er
>>> .extensions
>>> .ERXWOTextField
>>> ._appendValueAttributeToResponse(ERXWOTextField.java:125)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private.WOInput.appendAttributesToResponse( WOInput.java:140)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WOHTMLDynamicElement
>>> ._appendOpenTagToResponse( WOHTMLDynamicElement.java:395)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WOHTMLDynamicElement.appendToResponse(WOHTMLDynamicElement.java :
>>> 420)
>>>     at
>>> er.extensions.ERXWOTextField.appendToResponse(ERXWOTextField.java:
>>> 184)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:130)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WOComponentContent.appendToResponse( WOComponentContent.java:43)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java :121)
>>>     at
>>> er
>>> .extensions
>>> .ERXWOConditional.appendChildrenToResponse(ERXWOConditional.java:
>>> 115)
>>>     at
>>> er
>>> .extensions
>>> .ERXWOConditional.appendToResponse(ERXWOConditional.java:109)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private.WODynamicGroup.appendToResponse( WODynamicGroup.java:130)
>>>     at
>>> com
>>> .webobjects
>>> .appserver.WOComponent.appendToResponse(WOComponent.java:992)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WOComponentReference.appendToResponse(WOComponentReference.java:
>>> 111)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121)
>>>     at
>>> er.extensions.ERXWOForm.appendChildrenToResponse (ERXWOForm.java:218)
>>>     at er.extensions.ERXWOForm.appendToResponse(ERXWOForm.java:342)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private.WODynamicGroup.appendToResponse( WODynamicGroup.java:130)
>>>     at
>>> com
>>> .webobjects
>>> .appserver.WOComponent.appendToResponse(WOComponent.java:992)
>>>     at
>>> com.webobjects.appserver.WOSession.appendToResponse (WOSession.java:
>>> 1200)
>>>     at er.extensions.ERXSession.appendToResponse(ERXSession.java:529)
>>>     at
>>> com
>>> .webobjects
>>> .appserver.WOApplication.appendToResponse( WOApplication.java:1418)
>>>     at
>>> er.extensions.ERXApplication.appendToResponse(ERXApplication.java:
>>> 1120)
>>>     at
>>> com
>>> .webobjects
>>> .appserver
>>> ._private
>>> .WOComponentRequestHandler
>>> ._dispatchWithPreparedPage(WOComponentRequestHandler.java:230)
>>>     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
>>> er.extensions.ERXApplication.dispatchRequest(ERXApplication.java:
>>> 1184)
>>>     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)
>>>
>>>
>>> On 5-Dec-07, at 2:07 PM, Pierre Bernard wrote:
>>>
>>>> Hi David!
>>>>
>>>> You are quite unlucky. When I developed the qualifiers, I worked
>>>> on a project which had no compound joins and hardly any flattened
>>>> relationships. So these things were not tested. Actually I forgot
>>>> implementing support in some spot.
>>>>
>>>> Your original stacktrace was for a NullPointerException. Now you
>>>> have a StringIndexOutOfBoundsException. So there has been some
>>>> change as the result of upgrading to a newer version of the code.
>>>> As it happens, the crash is now in a fix I implemented a couple
>>>> of month ago for Chuck Hill.
>>>>
>>>> I currently have no project or model on which to test things.
>>>> Could you please try replacing line 163 in
>>>> ExistsInRelationshipQualifierSupport with the following:
>>>>
>>>>            String prefix = (relationshipIndex > 0) ?
>>>> keyPath.substring(0, relationshipIndex - 1) : "";
>>>>
>>>> This should get you past the crash. With a little luck it will
>>>> work all the way through. But as I said: compound and flattened
>>>> relationships were only tested on the field. No idea how large
>>>> "the field" is. I don't know how many people use the qualifiers
>>>> or in which setups they are used.
>>>>
>>>> Pierre
>>>>
>>>> On Dec 5, 2007, at 9:29 PM, David Holt wrote:
>>>>
>>>>> Hi Pierre,
>>>>>
>>>>> If you don't mind, I'd like to keep my complete stack traces off-
>>>>> list. Below I have copied the error that I get using the Houdah
>>>>> frameworks downloaded today.
>>>>>
>>>>> The code is a simple many to many join with a join table with a
>>>>> compound foreign key that consists of the primary keys of the
>>>>> ApplicationUser and Artifact tables. The relationships are
>>>>> flattened both ways.
>>>>>
>>>>> The code is:
>>>>>
>>>>> public EOFetchSpecification getPubliclyDisplayed() {
>>>>>>>>>
>>>>>>>>>               EOQualifier q1 = new EOKeyValueQualifier( "userName",
>>>>>>>>> EOQualifier.QualifierOperatorEqual,
>>>>>>>>> applicationUser.userName());
>>>>>>>>>               ExistsInRelationshipQualifier q2 = new
>>>>>>>>> ExistsInRelationshipQualifier("applicationUsers", q1);
>>>>>>>>>               // the inverse
>>>>>>>>>               EONotQualifier notq2 = new EONotQualifier(q2);
>>>>>>>>>
>>>>>>>>>               // EOQualifier q3 = new EOAndQualifier( new NSArray( new
>>>>>>>>> Object[] { q1, notq2 } ) );
>>>>>>>>>               EOFetchSpecification fs = new
>>>>>>>>> EOFetchSpecification( "Artifact", notq2, null );
>>>>>>>>>
>>>>>>>>>               return fs;
>>>>>>>>>       }
>>>>>
>>>>>
>>>>>
>>>>> 51359 [WorkerThread4] WARN NSLog  -
>>>>> <com.webobjects.appserver._private.WOComponentRequestHandler>:
>>>>> Exception occurred while handling request:
>>>>> java.lang.StringIndexOutOfBoundsException : String index out of
>>>>> range: -1
>>>>> [2007-12-05 12:15:34 PST] <WorkerThread4>
>>>>> java.lang.StringIndexOutOfBoundsException: String index out of
>>>>> range: -1
>>>>>   at java.lang.String.substring(String.java:1768)
>>>>>   at
>>>>> com
>>>>> .houdah
>>>>> .eoaccess
>>>>> .qualifiers
>>>>> .ExistsInRelationshipQualifierSupport
>>>>> .schemaBasedQualifierWithRootEntity
>>>>> (ExistsInRelationshipQualifierSupport.java:163)
>>>>>   at com.webobjects.eoaccess.EOQualifierSQLGeneration
>>>>> $
>>>>> Support
>>>>> ._schemaBasedQualifierWithRootEntity
>>>>> (EOQualifierSQLGeneration.java :165)
>>>>>   at com.webobjects.eoaccess.EOQualifierSQLGeneration
>>>>> $
>>>>> _NotQualifierSupport
>>>>> .schemaBasedQualifierWithRootEntity
>>>>> ( EOQualifierSQLGeneration.java:564)
>>>>>   at com.webobjects.eoaccess.EOQualifierSQLGeneration
>>>>> $
>>>>> Support
>>>>> ._schemaBasedQualifierWithRootEntity
>>>>> (EOQualifierSQLGeneration.java:165)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXSQLHelper
>>>>> .sqlExpressionForFetchSpecification( ERXSQLHelper.java:449)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXSQLHelper.rowCountForFetchSpecification(ERXSQLHelper.java:513)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXEOAccessUtilities
>>>>> .rowCountForFetchSpecification(ERXEOAccessUtilities.java:284)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXBatchingDisplayGroup.rowCount(ERXBatchingDisplayGroup.java:
>>>>> 189)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXBatchingDisplayGroup.refetch(ERXBatchingDisplayGroup.java:216)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXBatchingDisplayGroup.fetch(ERXBatchingDisplayGroup.java:276)
>>>>>   at
>>>>> TryNewStuffDisplayGroup
>>>>> .artifactDisplayGroup(TryNewStuffDisplayGroup.java :60)
>>>>>   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:216)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver.WOComponent.valueForKeyPath(WOComponent.java:1600)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WOKeyValueAssociation
>>>>> .valueInComponent(WOKeyValueAssociation.java:46)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXWOTextField
>>>>> ._appendValueAttributeToResponse(ERXWOTextField.java:125)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private.WOInput.appendAttributesToResponse( WOInput.java:140)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WOHTMLDynamicElement
>>>>> ._appendOpenTagToResponse(WOHTMLDynamicElement.java:395)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WOHTMLDynamicElement.appendToResponse(WOHTMLDynamicElement.java:
>>>>> 420)
>>>>>   at
>>>>> er
>>>>> .extensions.ERXWOTextField.appendToResponse( ERXWOTextField.java:
>>>>> 184)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WODynamicGroup.appendChildrenToResponse( WODynamicGroup.java:121)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private.WODynamicGroup.appendToResponse(WODynamicGroup.java :130)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WOComponentContent.appendToResponse( WOComponentContent.java:43)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WODynamicGroup.appendChildrenToResponse( WODynamicGroup.java:121)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXWOConditional.appendChildrenToResponse(ERXWOConditional.java:
>>>>> 115)
>>>>>   at
>>>>> er
>>>>> .extensions
>>>>> .ERXWOConditional.appendToResponse(ERXWOConditional.java:109)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:130)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver.WOComponent.appendToResponse(WOComponent.java:992)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WOComponentReference.appendToResponse(WOComponentReference.java:
>>>>> 111)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121)
>>>>>   at
>>>>> er.extensions.ERXWOForm.appendChildrenToResponse(ERXWOForm.java:
>>>>> 218)
>>>>>   at er.extensions.ERXWOForm.appendToResponse(ERXWOForm.java :342)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WODynamicGroup.appendChildrenToResponse( WODynamicGroup.java:121)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private.WODynamicGroup.appendToResponse(WODynamicGroup.java :130)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver.WOComponent.appendToResponse(WOComponent.java:992)
>>>>>   at
>>>>> com
>>>>> .webobjects.appserver.WOSession.appendToResponse(WOSession.java:
>>>>> 1200)
>>>>>   at er.extensions.ERXSession.appendToResponse(ERXSession.java:529)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver.WOApplication.appendToResponse(WOApplication.java:1418)
>>>>>   at
>>>>> er
>>>>> .extensions.ERXApplication.appendToResponse( ERXApplication.java:
>>>>> 1120)
>>>>>   at
>>>>> com
>>>>> .webobjects
>>>>> .appserver
>>>>> ._private
>>>>> .WOComponentRequestHandler
>>>>> ._dispatchWithPreparedPage(WOComponentRequestHandler.java:230)
>>>>>   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
>>>>> er.extensions.ERXApplication.dispatchRequest(ERXApplication.java:
>>>>> 1184)
>>>>>   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)
>>>>>
>>>>> On 5-Dec-07, at 11:41 AM, Pierre Bernard wrote:
>>>>>
>>>>>> Hi David!
>>>>>>
>>>>>> You don't need to grab all of the frameworks if all you want is
>>>>>> the qualifiers. The frameworks are geared to be a D2W
>>>>>> replacement with lots of extra goodies at the lower levels.
>>>>>> Currently the whole thing lacks a sample application to show
>>>>>> off how to use the frameworks as a whole. I will gladly assist
>>>>>> anyone who wants to create an application build upon Houdah
>>>>>> Frameworks. I however don't think that's what you are after
>>>>>> right now.
>>>>>>
>>>>>> Feel free to just grab the bits of code you really need. I.e.
>>>>>> the ones that were in the tar file on my site.
>>>>>>
>>>>>> You could also elect to take stuff up to the layer you need.
>>>>>> That should be Foundation, EOControl and EOAccess. That would
>>>>>> be the easiest thing to do as you will have the principal
>>>>>> classes set up as needed.
>>>>>>
>>>>>> The frameworks were built against WO 5.2. There shouldn't be
>>>>>> any problems using them with WO 5.3. I didn't yet bother trying
>>>>>> 5.4. I am currently roaming in Cocoa-land.
>>>>>>
>>>>>> I know that recent versions of WOLips balk at my WOComponents
>>>>>> because I rely on handleUnboundKey. If you want the components,
>>>>>> turn those warnings off. Everything is just fine.
>>>>>>
>>>>>> Best,
>>>>>> Pierre Bernard
>>>>>> Houdah Software s.à r.l.
>>>>>>
>>>>>> On Dec 5, 2007, at 8:25 PM, David Holt wrote:
>>>>>>
>>>>>>> Hi Pierre,
>>>>>>>
>>>>>>> Thanks for the reply. I was using the QualifierAdditions
>>>>>>> available at your blog, so I am sure that the line numbers
>>>>>>> don't match with Daniele's. Chuck sent me an updated version
>>>>>>> of that framework last night which didn't work and gives
>>>>>>> different line numbers than the error I reported yesterday.
>>>>>>>
>>>>>>> I will switch to the Houdah frameworks before I make a
>>>>>>> detailed report of the error. I have imported the projects
>>>>>>> into Eclipse from the Google SVN repository but there are a
>>>>>>> ton of errors showing up in Eclipse. Is that the correct
>>>>>>> procedure? Can you tell me which projects I need to install as
>>>>>>> frameworks to import into my project? Once I get that up and
>>>>>>> running, I'll report back. Thanks!
>>>>>>>
>>>>>>> David
>>>>>>>
>>>>>>> On 5-Dec-07, at 9:27 AM, Pierre Bernard wrote:
>>>>>>>
>>>>>>>> Hi David!
>>>>>>>>
>>>>>>>> Seems like you are experiencing the same crash as Daniele.
>>>>>>>>
>>>>>>>> Unfortunately the line numbers in the stack trace don't much
>>>>>>>> with what I have in the Google Code repository.
>>>>>>>> Your stack trace shows a call to
>>>>>>>> _aliasForRelatedAttributeRelationshipPath at line 99 of
>>>>>>>> ExistsInRelationshipQualifierSupport. I find 2 such calls.
>>>>>>>> One at line 119 and one at 123. Which one is it?
>>>>>>>> How come the lines don't match?
>>>>>>>>
>>>>>>>> What do the joins between the tables look like? Single or
>>>>>>>> compound foreign keys? Any flattened relationships?
>>>>>>>>
>>>>>>>> Could you tell me what _expression_, subExpression,
>>>>>>>> sourceAttribute and destinationAttribute look like at the
>>>>>>>> moment of the crash?
>>>>>>>>
>>>>>>>> Pierre
>>>>>>>>
>>>>>>>> On Dec 5, 2007, at 2:51 AM, David Holt wrote:
>>>>>>>>
>>>>>>>>> Hello All,
>>>>>>>>>
>>>>>>>>> I am finally getting the chance to use the
>>>>>>>>> QualifierAdditions from Pierre Bernard (thanks Pierre!). I
>>>>>>>>> am using the following code that generates a
>>>>>>>>> NullPointerException. Can anyone see what I have done wrong?
>>>>>>>>>
>>>>>>>>> I am trying to show all Artifacts that have not been
>>>>>>>>> specified as "favourites".
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> public EOFetchSpecification getPubliclyDisplayed() {
>>>>>>>>>
>>>>>>>>>               EOQualifier q1 = new EOKeyValueQualifier( "userName",
>>>>>>>>> EOQualifier.QualifierOperatorEqual,
>>>>>>>>> applicationUser.userName());
>>>>>>>>>               ExistsInRelationshipQualifier q2 = new
>>>>>>>>> ExistsInRelationshipQualifier("applicationUsers", q1);
>>>>>>>>>               // the inverse
>>>>>>>>>               EONotQualifier notq2 = new EONotQualifier(q2);
>>>>>>>>>
>>>>>>>>>               // EOQualifier q3 = new EOAndQualifier( new NSArray( new
>>>>>>>>> Object[] { q1, notq2 } ) );
>>>>>>>>>               EOFetchSpecification fs = new
>>>>>>>>> EOFetchSpecification( "Artifact", notq2, null );
>>>>>>>>>
>>>>>>>>>               return fs;
>>>>>>>>>       }
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Stack trace:
>>>>>>>>>
>>>>>>>>> java.lang.NullPointerException
>>>>>>>>> File
>>>>>>>>> Line#
>>>>>>>>> Method
>>>>>>>>> Package
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> EOSQLExpression.java
>>>>>>>>> 324
>>>>>>>>> _aliasForRelationshipPath
>>>>>>>>> com.webobjects.eoaccess
>>>>>>>>> EOSQLExpression.java
>>>>>>>>> 259
>>>>>>>>> _aliasForRelatedAttributeRelationshipPath
>>>>>>>>> com.webobjects.eoaccess
>>>>>>>>> ExistsInRelationshipQualifierSupport.java
>>>>>>>>> 99
>>>>>>>>> sqlStringForSQLExpression
>>>>>>>>> com.houdah.webobjects.eoaccess.qualifiers
>>>>>>>>> EOQualifierSQLGeneration.java
>>>>>>>>> 151
>>>>>>>>> _sqlStringForSQLExpression
>>>>>>>>> com.webobjects.eoaccess
>>>>>>>>> EOSQLExpression.java
>>>>>>>>> 1024
>>>>>>>>> prepareSelectExpressionWithAttributes
>>>>>>>>> com.webobjects.eoaccess
>>>>>>>>> JDBCExpression.java
>>>>>>>>> 273
>>>>>>>>> prepareSelectExpressionWithAttributes
>>>>>>>>> com.webobjects.jdbcadaptor
>>>>>>>>> EOSQLExpressionFactory.java
>>>>>>>>> 226
>>>>>>>>> selectStatementForAttributes
>>>>>>>>> com.webobjects.eoaccess
>>>>>>>>> ERXSQLHelper.java
>>>>>>>>> 461
>>>>>>>>> sqlExpressionForFetchSpecification
>>>>>>>>> er.extensions
>>>>>>>>> ERXSQLHelper.java
>>>>>>>>> 513
>>>>>>>>> rowCountForFetchSpecification
>>>>>>>>> er.extensions
>>>>>>>>> ERXEOAccessUtilities.java
>>>>>>>>> 284
>>>>>>>>> rowCountForFetchSpecification
>>>>>>>>> er.extensions
>>>>>>>>> ERXBatchingDisplayGroup.java
>>>>>>>>> 189
>>>>>>>>> rowCount
>>>>>>>>> er.extensions
>>>>>>>>> ERXBatchingDisplayGroup.java
>>>>>>>>> 216
>>>>>>>>> refetch
>>>>>>>>> er.extensions
>>>>>>>>> ERXBatchingDisplayGroup.java
>>>>>>>>> 276
>>>>>>>>> fetch
>>>>>>>>> _______________________________________________
>>>>>>>>> Do not post admin requests to the list. They will be ignored.
>>>>>>>>> Webobjects-dev mailing list      (email@hidden
>>>>>>>>> )
>>>>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>>>>>
>>>>>>>>> This email sent to email@hidden
>>>>>>>>
>>>>>>>> - - -
>>>>>>>> Houdah Software s. à r. l.
>>>>>>>> http://www.houdah.com
>>>>>>>>
>>>>>>>> HoudahGeo: One-stop photo geocoding
>>>>>>>> HoudahSpot: Powerful Spotlight frontend
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>> - - -
>>>>>> Houdah Software s. à r. l.
>>>>>> http://www.houdah.com
>>>>>>
>>>>>> HoudahGeo: One-stop photo geocoding
>>>>>> HoudahSpot: Powerful Spotlight frontend
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>> - - -
>>>> Houdah Software s. à r. l.
>>>> http://www.houdah.com
>>>>
>>>> HoudahGeo: One-stop photo geocoding
>>>> HoudahSpot: Powerful Spotlight frontend
>>>>
>>>>
>>>>
>>>>
>>>
>>
>> - - -
>> Houdah Software s. à r. l.
>> http://www.houdah.com
>>
>> HoudahGeo: One-stop photo geocoding
>> HoudahSpot: Powerful Spotlight frontend
>>
>>
>>
>>
>

- - -
Houdah Software s. à r. l.
http://www.houdah.com

HoudahGeo: One-stop photo geocoding
HoudahSpot: Powerful Spotlight frontend







--
Daniele Corti
AIM: S0CR4TE5
Messenger: email@hidden

--
Computers are like air conditioners -- they stop working properly if you open
WINDOWS

--
What about the four lusers of the apocalypse? I nominate:
"advertising", "can't log in", "power switch" and "what backup?"
--Alistair Young 
 _______________________________________________
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Webobjects-dev mailing list      (email@hidden)
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This email sent to email@hidden
References: 
 >ExistsInRelationshipQualifier (From: David Holt <email@hidden>)
 >Re: ExistsInRelationshipQualifier (From: Pierre Bernard <email@hidden>)
 >Re: ExistsInRelationshipQualifier (From: David Holt <email@hidden>)
 >Re: ExistsInRelationshipQualifier (From: Pierre Bernard <email@hidden>)
 >Re: ExistsInRelationshipQualifier (From: Pierre Bernard <email@hidden>)

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