This doesn't look like a deadlock (or you would see the thread locked on a thread-waiting operation). Maybe it's a livelock, or maybe simply a very long-running process, or an infinite loop. You'd find more about it by doing more snapshots, and finding what the common top part of the traceback is. It will point you to the part of the code that's repeatedly called. Florent Michael Kaplan wrote:
Dieter Maurer wrote:
Michael Kaplan wrote at 2006-5-5 16:09 +0200:
... File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 583, in getReferences return self._resolveBrains(brains) File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 716, in _uidFor return uuid, obj File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 634, in isReferenceable return (IReferenceable.isImplementedBy(object) or File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Interface/_InterfaceClass.py", line 111, in isImplementedBy return visitImplements( File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Interface/Implements.py", line 86, in visitImplements return r File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Interface/Implements.py", line 86, in visitImplements return r File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Interface/Implements.py", line 86, in visitImplements return r File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Interface/Implements.py", line 81, in visitImplements elif implements_class == TupleType or type(implements) is TupleType:
Could anybody explain what's wrong here and how to repair it?
Stays the part above (maybe partially) accross several "DeadlockDebugger" invocations (or changes the tail of your traceback continously)?
In this case, there would seem to be some infinite loop caused by the AT "ReferenceEngine" (I like it).
As you supposed the tail changes if I invoke DeadlockDebugger several times. Here are 3 more examples besides the one I sent before:
Thread 10 (GET /dirname/manage_FTPlist): File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZServer/PubCore/ZServerPublisher.py", line 23, in __init__ response=response) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 386, in publish_module environ, debug, request, response) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 187, in publish_module_standard response = publish(request, module_name, after_list, debug=debug) File "/home/www/Zope-2.8.5-0/Products/PlacelessTranslationService/PatchStringIO.py", line 51, in new_publish x = Publish.old_publish(request, module_name, after_list, debug) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 104, in publish object=request.traverse(path, validated_hook=validated_hook) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/BaseRequest.py", line 272, in traverse bpth(object, self) File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 421, in __before_publishing_traverse__ stack.append('not_available_lang') File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 150, in getTranslationLanguages return self.getTranslations().keys() File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 176, in getTranslations return self.getCanonical().getTranslations() File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 196, in isCanonical return not bool(self.getReferenceImpl(config.RELATIONSHIP)) File "/home/www/Zope-2.8.5-0/Products/Archetypes/Referenceable.py", line 105, in getReferenceImpl return refs File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 577, in getReferences if targetObject:
Thread 10 (GET /dirname/manage_FTPlist): File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZServer/PubCore/ZServerPublisher.py", line 23, in __init__ response=response) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 386, in publish_module environ, debug, request, response) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 187, in publish_module_standard response = publish(request, module_name, after_list, debug=debug) File "/home/www/Zope-2.8.5-0/Products/PlacelessTranslationService/PatchStringIO.py", line 51, in new_publish x = Publish.old_publish(request, module_name, after_list, debug) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 104, in publish object=request.traverse(path, validated_hook=validated_hook) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/BaseRequest.py", line 272, in traverse bpth(object, self) File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 421, in __before_publishing_traverse__ stack.append('not_available_lang') File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 150, in getTranslationLanguages return self.getTranslations().keys() File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 176, in getTranslations return self.getCanonical().getTranslations() File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 174, in getTranslations return result File "/home/www/Zope-2.8.5-0/Products/Archetypes/Referenceable.py", line 93, in getBRefs return [ref.getSourceObject() for ref in refs] File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 595, in getBackReferences return self._resolveBrains(brains) File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 690, in _queryFor return brains File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/ZCatalog/ZCatalog.py", line 690, in searchResults return self._catalog.searchResults(REQUEST, used, **kw) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/ZCatalog/Catalog.py", line 733, in searchResults return self.search(args, sort_index, reverse, sort_limit, _merge) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/ZCatalog/Catalog.py", line 533, in search return LazyMap(self.__getitem__, rs, len(rs)) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/PluginIndexes/common/UnIndex.py", line 347, in _apply_index if record.keys==None: return None File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/PluginIndexes/common/util.py", line 70, in __init__ return File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/ZCatalog/Catalog.py", line 771, in has_key except KeyError:
Thread 10 (GET /dirname/manage_FTPlist): File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZServer/PubCore/ZServerPublisher.py", line 23, in __init__ response=response) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 386, in publish_module environ, debug, request, response) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 187, in publish_module_standard response = publish(request, module_name, after_list, debug=debug) File "/home/www/Zope-2.8.5-0/Products/PlacelessTranslationService/PatchStringIO.py", line 51, in new_publish x = Publish.old_publish(request, module_name, after_list, debug) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/Publish.py", line 104, in publish object=request.traverse(path, validated_hook=validated_hook) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/ZPublisher/BaseRequest.py", line 272, in traverse bpth(object, self) File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 413, in __before_publishing_traverse__ translation = self.getTranslation(cookie_lang) File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 139, in getTranslation l = self.getTranslations().get(language, None) File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 176, in getTranslations return self.getCanonical().getTranslations() File "/home/www/Zope-2.8.5-0/Products/LinguaPlone/I18NBaseObject.py", line 168, in getTranslations for obj in self.getBRefs(config.RELATIONSHIP): File "/home/www/Zope-2.8.5-0/Products/Archetypes/Referenceable.py", line 91, in getBRefs refs = tool.getBackReferences(self, relationship, targetObject=targetObject) File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 594, in getBackReferences brains = self._queryFor(tid=sID, relationship=relationship, sid=tID) File "/home/www/Zope-2.8.5-0/Products/Archetypes/ReferenceEngine.py", line 688, in _queryFor brains = self.searchResults(query, merge=merge) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/ZCatalog/ZCatalog.py", line 690, in searchResults return self._catalog.searchResults(REQUEST, used, **kw) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/ZCatalog/Catalog.py", line 733, in searchResults return self.search(args, sort_index, reverse, sort_limit, _merge) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/ZCatalog/Catalog.py", line 476, in search r = _apply_index(request) File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/PluginIndexes/common/UnIndex.py", line 372, in _apply_index if record.get('usage',None): File "/usr/local/mypackages/Zope-2.8.5-final/lib/python/Products/PluginIndexes/common/util.py", line 133, in get def get(self,k,default_v=None):
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