As seen in the following oopses: OOPS-d2bb7e643b3bec12048bc7bb6b8fdd01 OOPS-c65580688f20f2ecc14f478d296a326e
TypeError: 'NoneType' object is unsubscriptable
Traceback (most recent call last):
Module zope.publisher.publish, line 134, in publish
result = publication.callObject(request, obj)
Module lp.services.webapp.publication, line 499, in callObject
return mapply(ob, request.getPositionalArguments(), request)
Module zope.publisher.publish, line 109, in mapply
return debug_call(obj, args)
- __traceback_info__: <security proxied zope.browserpage.metaconfigure.SimpleViewClass from /srv/launchpad.net/production/launchpad-rev-14933/lib/lp/app/browser/../templates/root-index.pt instance at 0x17bd5bd0>
Module zope.publisher.publish, line 115, in debug_call
return obj(*args)
Module lp.services.webapp.publisher, line 392, in __call__
return self.render()
Module lp.services.webapp.publisher, line 377, in render
return self.template()
Module zope.app.pagetemplate.viewpagetemplatefile, line 83, in __call__
return self.im_func(im_self, *args, **kw)
Module zope.app.pagetemplate.viewpagetemplatefile, line 51, in __call__
sourceAnnotations=getattr(debug_flags, 'sourceAnnotations', 0),
Module zope.pagetemplate.pagetemplate, line 113, in pt_render
strictinsert=0, sourceAnnotations=sourceAnnotations)()
Module zope.tal.talinterpreter, line 271, in __call__
self.interpret(self.program)
Module zope.tal.talinterpreter, line 343, in interpret
handlers[opcode](self, args)
Module zope.tal.talinterpreter, line 888, in do_useMacro
self.interpret(macro)
Module zope.tal.talinterpreter, line 343, in interpret
handlers[opcode](self, args)
Module zope.tal.talinterpreter, line 533, in do_optTag_tal
self.do_optTag(stuff)
Module zope.tal.talinterpreter, line 518, in do_optTag
return self.no_tag(start, program)
Module zope.tal.talinterpreter, line 513, in no_tag
self.interpret(program)
Module zope.tal.talinterpreter, line 343, in interpret
handlers[opcode](self, args)
Module zope.tal.talinterpreter, line 531, in do_optTag_tal
self.no_tag(stuff[-2], stuff[-1])
Module zope.tal.talinterpreter, line 513, in no_tag
self.interpret(program)
Module zope.tal.talinterpreter, line 343, in interpret
handlers[opcode](self, args)
Module zope.tal.talinterpreter, line 852, in do_condition
self.interpret(block)
Module zope.tal.talinterpreter, line 343, in interpret
handlers[opcode](self, args)
Module zope.tal.talinterpreter, line 533, in do_optTag_tal
self.do_optTag(stuff)
Module zope.tal.talinterpreter, line 518, in do_optTag
return self.no_tag(start, program)
Module zope.tal.talinterpreter, line 513, in no_tag
self.interpret(program)
Module zope.tal.talinterpreter, line 343, in interpret
handlers[opcode](self, args)
Module zope.tal.talinterpreter, line 946, in do_defineSlot
self.interpret(slot)
Module zope.tal.talinterpreter, line 343, in interpret
handlers[opcode](self, args)
Module lp.services.memcache.tales, line 319, in do_insertText_tal
text = self.engine.evaluateText(stuff[0])
Module lp.services.memcache.tales, line 361, in evaluateText
text = self.evaluate(expr)
Module zope.tales.tales, line 696, in evaluate
return expression(self)
- /srv/launchpad.net/production/launchpad-rev-14933/lib/lp/app/browser/../templates/root-index.pt
- Line 147, Column 12
- Expression: <MemcacheExpr public, 1 hour>
- Names:
{'args': (),
'context': <lp.services.webapp.publisher.RootObject object at 0x4533a90>,
'default': <object object at 0x2b4f2c2bc490>,
'loop': {},
'nothing': None,
'options': {},
'repeat': {},
'request': <lp.services.webapp.servers.LaunchpadBrowserRequest instance URL=https://launchpad.net/index.html>,
'template': <z3c.ptcompat.ViewPageTemplateFile object at 0x9018150>,
'view': <zope.browserpage.metaconfigure.SimpleViewClass from /srv/launchpad.net/production/launchpad-rev-14933/lib/lp/app/browser/../templates/root-index.pt object at 0x17bd5bd0>,
'views': <zope.app.pagetemplate.viewpagetemplatefile.ViewMapper object at 0x15711bd0>}
Module lp.services.memcache.tales, line 262, in __call__
cached_chunk = getUtility(IMemcacheClient).get(key)
Module lp.services.memcache.client, line 50, in get
return memcache.Client.get(self, key)
Module memcache, line 779, in get
return self._get('get', key)
Module memcache, line 762, in _get
rkey, flags, rlen, = self._expectvalue(server)
Module memcache, line 874, in _expectvalue
if line[:5] == 'VALUE':
TypeError: 'NoneType' object is unsubscriptable
From the dupe: 'This looks to me an awful lot like bug 728359, which is fixed in latest python-memcached.' - just upgrading our python-memcached version should fix things.