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| ID | Category | Severity | Reproducibility | Date Submitted | Last Update | |||||||
| 0006952 | [Squeak Packages] FFI | major | always | 02-26-08 08:00 | 04-08-10 14:32 | |||||||
| Reporter | tween | View Status | public | |||||||||
| Assigned To | andreas | |||||||||||
| Priority | normal | Resolution | open | |||||||||
| Status | assigned | |||||||||||
| Summary | 0006952: FFI fails to load in sq3.10-7159dev08.02.1 | |||||||||||
| Description |
ExternalStructure class implements doneCompiling, and doneCompiling is sent during the MC1.5 loading process. (specifically - it is sent from ClassBuilder>>name:inEnvironment:subclassOf:type:instanceVariableNames:classVariableNames:poolDictionaries:category:unsafe: ) ExternalStructure class>>doneCompiling then calls ExternalType class>>noticeModificationOf: , which then accesses its StructTypes class var. But ExternalType hasn't been sent #initialize yet, so its StructTypes class var is nil. I presume that the MC1.0 loader loads/initializes things in a different order, which is why the problem doesn't occur in a standard 3.10 image. To workaround the problem, and get FFI loaded, I hacked ClassBuilder>>name:inEnvironment:subclassOf:type:instanceVariableNames:classVariableNames:poolDictionaries:category:unsafe: so that errors occuring during doneCompiling are ignored. (hacked method attached). FFI then loads ok from Universes, and seems to function correctly. |
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| Additional Information |
error : VM: Mac OS - a SmalltalkImage Image: Squeak3.10beta [latest update: 0007159] SecurityManager state: Restricted: false FileAccess: true SocketAccess: true Working Dir /mySqueakStuff/Sqkb/Sqkb3.10/sq3.10-7159dev08.02.1 Trusted Dir /foobar/tooBar/forSqueak/bogus Untrusted Dir /Users/kbrownMPro/Library/Preferences/Squeak/Internet/My Squeak UndefinedObject(Object)>>doesNotUnderstand: #at:ifAbsent: Receiver: nil Arguments and temporary variables: aMessage: at: #ExternalStructure ifAbsent: [] in ExternalType class>>noticeModi...etc... Receiver's instance variables: nil [] in ExternalType class>>noticeModificationOf: {[:cls | type := StructTypes at: cls name ifAbsent: []. type ifNo...]} Arguments and temporary variables: aClass: ExternalStructure type: nil cls: ExternalStructure ExternalStructure class(Behavior)>>withAllSubclassesDo: Receiver: ExternalStructure Arguments and temporary variables: aBlock: [] in ExternalType class>>noticeModificationOf: {[:cls | type := Struc...etc... Receiver's instance variables: superclass: ExternalObject methodDict: a MethodDictionary(#free->a CompiledMethod (1328) #longPrintOn:->a ...etc... format: 132 instanceVariables: nil organization: ('as yet unclassified') subclasses: {ExternalData} name: #ExternalStructure classPool: nil sharedPools: an OrderedCollection(FFIConstants) environment: a SystemDictionary(lots of globals) category: #'FFI-Kernel' traitComposition: {} localSelectors: nil compiledSpec: nil ExternalType class>>noticeModificationOf: Receiver: ExternalType Arguments and temporary variables: aClass: ExternalStructure type: nil cls: ExternalStructure Receiver's instance variables: superclass: Object methodDict: a MethodDictionary(#asNonPointerType->a CompiledMethod (3691) #asPo...etc... format: 136 instanceVariables: #('compiledSpec' 'referentClass' 'referencedType') organization: ('as yet unclassified') subclasses: nil name: #ExternalType classPool: a Dictionary(#AtomicSelectors->nil #AtomicTypeNames->nil #AtomicType...etc... sharedPools: an OrderedCollection(FFIConstants) environment: a SystemDictionary(lots of globals) category: #'FFI-Kernel' traitComposition: {} localSelectors: nil --- The full stack --- UndefinedObject(Object)>>doesNotUnderstand: #at:ifAbsent: [] in ExternalType class>>noticeModificationOf: {[:cls | type := StructTypes at: cls name ifAbsent: []. type ifNo...]} ExternalStructure class(Behavior)>>withAllSubclassesDo: ExternalType class>>noticeModificationOf: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ExternalStructure class>>doneCompiling [] in ClassBuilder>>name:inEnvironment:subclassOf:type:instanceVariableNames:classVariableNames:poolDictionaries:category:unsafe: {[unsafe ifFalse: [(self validateSuperclass: newSuper forSubclass: oldClass...]} BlockContext>>ensure: ClassBuilder>>name:inEnvironment:subclassOf:type:instanceVariableNames:classVariableNames:poolDictionaries:category:unsafe: ClassBuilder>>name:inEnvironment:subclassOf:type:instanceVariableNames:classVariableNames:poolDictionaries:category: MCClassDefinition>>createUnionClassWith: MCClassDefinition>>postinstall [] in MCPackageLoader1b>>basicLoad {[:ea | ea postinstall]} OrderedCollection>>do: MCPackageLoader1b>>basicLoad [] in MCPackageLoader1b>>protectedLoad {[self basicLoad]} BlockContext>>on:do: [] in MCPackageLoader1b>>protectedLoad {[[self basicLoad] on: InMidstOfFileinNotification do: [:n | n resume: tr...]} BlockContext>>ensure: [] in MCPackageLoader1b>>protectedLoad {[[[self basicLoad] on: InMidstOfFileinNotification do: [:n | n resume: t...]} BlockContext>>on:do: MCPackageLoader1b>>protectedLoad [] in MCPackageLoader1b>>loadWithNameLike: {[self protectedLoad]} [] in MCPackageLoader1b>>useChangeSetNamed:during: {[aBlock value]} BlockContext>>ensure: MCPackageLoader1b>>useChangeSetNamed:during: MCPackageLoader1b>>useNewChangeSetNamedLike:during: MCPackageLoader1b>>loadWithNameLike: MCVersionLoader>>loadWithNameLike: MCVersionLoader>>load MCVersionLoader class>>loadVersion: MCVersion>>load [] in UndefinedObject>>DoIt {[:t2 :t3 | t1 value: t2 * 2 - 1. reader := repo versionReaderForFileNamed:...]} Array(SequenceableCollection)>>keysAndValuesDo: [] in UndefinedObject>>DoIt {[:t1 | #('FFI-Kernel-ar.8.mcz' 'FFI-Tests-ar.2.mcz' 'FFI-Examples-ar.1.mcz' ...]} ...etc... |
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| Attached Files |
 ClassBuilder-nameinEnvironmentsubclassOftypeinstanceVariableNamesclassVariableNamespoolDictionariescategoryunsafe.st [^] (3,957 bytes) 02-26-08 08:00 |
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SYSTEM WARNING: Creating default object from empty value
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Notes |
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(0011872 - 210 - 210 - 210 - 210 - 210 - 210) KenCausey 02-26-08 18:40 |
Andrew: please always choose a category when you submit an issue. Of course if you can't find a category then leave it as Any and I will decide what I think it should be and create a new category if necessary. |
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(0011874 - 65 - 65 - 65 - 65 - 65 - 65) andreas 02-26-08 18:51 |
Does someone know what exactly changed in MC to cause this issue? |
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(0011875 - 127 - 127 - 127 - 270 - 270 - 270) KenCausey 02-26-08 19:34 |
Andreas: Check the related issue 0006953 which Andrew mentioned in his issue. I just added that relationship after your request. |
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(0011876 - 14 - 14 - 14 - 14 - 14 - 14) KenCausey 02-26-08 19:34 |
s/issue/email/ |
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(0012265 - 62 - 62 - 62 - 62 - 62 - 62) Keith_Hodges 06-07-08 01:38 |
Should be fixed in latest MC1.5 thanks to an idea from Andreas |
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Issue History |
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| Date Modified | Username | Field | Change |
| 02-26-08 08:00 | tween | New Issue | |
| 02-26-08 08:00 | tween | Status | new => assigned |
| 02-26-08 08:00 | tween | Assigned To | => KenCausey |
| 02-26-08 08:00 | tween | File Added: ClassBuilder-nameinEnvironmentsubclassOftypeinstanceVariableNamesclassVariableNamespoolDictionariescategoryunsafe.st | |
| 02-26-08 18:39 | KenCausey | Assigned To | KenCausey => andreas |
| 02-26-08 18:39 | KenCausey | Category | Any => FFI |
| 02-26-08 18:40 | KenCausey | Note Added: 0011872 | |
| 02-26-08 18:51 | andreas | Note Added: 0011874 | |
| 02-26-08 19:33 | KenCausey | Relationship added | related to 0006953 |
| 02-26-08 19:34 | KenCausey | Note Added: 0011875 | |
| 02-26-08 19:34 | KenCausey | Note Added: 0011876 | |
| 03-02-08 17:59 | tween | Relationship added | has duplicate 0006970 |
| 06-06-08 21:08 | matthewf | Issue Monitored: matthewf | |
| 06-06-08 23:51 | matthewf | Relationship added | duplicate of 0007005 |
| 06-06-08 23:52 | matthewf | Relationship deleted | duplicate of 0007005 |
| 06-06-08 23:52 | matthewf | Relationship added | related to 0007006 |
| 06-06-08 23:53 | matthewf | Relationship replaced | duplicate of 0007006 |
| 06-07-08 00:00 | matthewf | Relationship replaced | has duplicate 0007006 |
| 06-07-08 01:37 | Keith_Hodges | Assigned To | andreas => Keith_Hodges |
| 06-07-08 01:38 | Keith_Hodges | Note Added: 0012265 | |
| 10-26-08 02:06 | Keith_Hodges | Status | assigned => feedback |
| 10-03-09 19:34 | Keith_Hodges | Status | feedback => assigned |
| 10-03-09 19:34 | Keith_Hodges | Assigned To | Keith_Hodges => andreas |
| 04-08-10 14:32 | laza | Project | Squeak => Squeak Packages |
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