It writes and reads objects in the session, maybe the probleme comes from here ? Here's a little sinppet :
def toutCompter(self):
"""
xmlrpc methode, called from a web borwser.
"""
documentXML = ComptageXML()
#this reads and writes objects in the session
dicoLignes = self._fabriquerDicoLignes()
#do things with dicoLignes
for inumLigneCourante in xrange(borneInf,borneSup) :
snumLigneCourante = str(inumLigneCourante)
ligne = dicoLignes[snumLigneCourante]["requete"]
#do things here
self._ajouterAuDico(snumLigneCourante,ligne,comptage,arbre)
if ligne :
self._mettreEnSession(resultats)
response = self.REQUEST.RESPONSE
response.setHeader("Content-Type","text/xml")
response.setHeader
("charset","utf-8")
chaineXML = documentXML.formatXML()
print "sending results to "+addresseIP
return chaineXML
def _fabriquerDicoLignes(self):
formulaire = self.getForm()
dicoLignes = self.getSession(self,"dicoLignes") or {}
for key in formulaire.keys():
#do things...
self.setSession("dicoLignes", dicoLignes)
return dicoLignes
def _fabriquerListeLignes(self):
dicoLignes = RacineAbstraite.getSession(self,"dicoLignes") or {}
listeNumeros = dicoLignes.keys()
listeNumeros.sort
( lambda x,y: cmp(int(x), int(y)) )
return [ dicoLignes[str(inumeroLigne)]["requete"] for inumeroLigne in \
sorted( [int(snumeroLigne) for snumeroLigne in dicoLignes.keys()] ) ]
def _ajouterAuDico(self,p_snumeroCle,p_ligne,p_comptage,p_arbre):
dicoLignes = RacineAbstraite.getSession(self,'dicoLignes') or {}
dicoLignes[p_snumeroCle] = {'requete':p_ligne,'comptage':p_comptage,'arbre':p_arbre}
self.setSession('dicoLignes',dicoLignes)
def _mettreEnSession(self,p_resultats):
"""
Mettre en session les résultats d'un comptage.
"""
# Initialise de la SESSION
dicoResultatRecherche = {
'listeCriteres' : [self._fabriquerListeLignes(), self.getForm('numeroLigne')],
'nombreEntreprises' : p_resultats[0][0],
'listeComptage' : p_resultats,
'listeEntreprises' : [],
}
#On conserve la requete et le resultat en session
self.setSession('resultatRecherche', p_dicoResultatRecherche.copy())
When toutCompter is called by browser 1, then he will write and read, say, the dicoLignes object in the session.
When toutCompter is called by browser 2 parallely, is it the same dicoLignes object that it tries to access or another one is created ? can there be conflicts somehow ?
Y.Chaouche
2007/1/19, yacine chaouche <yacinechaouche@gmail.com>:
I mean triple couples of lines of code.
2007/1/19, yacine chaouche <
yacinechaouche@gmail.com>:
The toutCompter methode does a lot of thing and it would take a triple couples of lines to describe what it does all.
Anyway, is there a way for me to detect ConflictErrors ? they don't appear on the console so i guess they are catched.
Y.Chaouche
2007/1/19, Gabriel Genellina <gagsl-zope@yahoo.com.ar
>:
At Thursday 18/1/2007 16:30, Andreas Jung wrote:
><zope trace to the console>
>ip: 10.75.49.155
requests counting of lines 1 to 11
>ip:
10.75.49.51 requests counting of lines 1 to 11
>sending results to 10.75.49.155
>sending results to
10.75.49.51
>ip:
10.75.49.51 requests counting of lines 1 to 11
>sending results to 10.75.49.51
></zope trace>
>
>
>Zope says he got 2 requests form
10.75.49.51 and sent it the results 2
>times. Ok, let's check the tcpflow then for these supposed connections :
>[...]
>Allright, there is only ONE POST request. So zope didnt really got two
>requests. Now let's see if it sent the data two times as it presumes :
>[...]
>The results were sent just one time, not two.
>
>What is going on here ?
What does the toutCompter method really does? Does it modify some
object state? That might provoke a ConflictError, forcing a
transaction abort and the request to be re-tried (up to three times,
silently, then it goes logged).
--
Gabriel Genellina
Softlab SRL
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