[lpnp110] ~/MadGraph/test :-) voms-proxy-destroy 
[lpnp110] ~/MadGraph/test :-) voms-proxy-init -voms vo.lpnhe.in2p3.fr
Enter GRID pass phrase:
Your identity: /O=GRID-FR/C=FR/O=CNRS/OU=LPNHE/CN=Tristan Beau
Creating temporary proxy .................................... Done
Contacting  grid12.lal.in2p3.fr:20008 [/O=GRID-FR/C=FR/O=CNRS/OU=LAL/CN=grid12.lal.in2p3.fr] "vo.lpnhe.in2p3.fr" Done
Creating proxy .......................................................................................................... Done
Your proxy is valid until Wed Jul 13 01:42:37 2011
[lpnp110] ~/MadGraph/test :-) apcgrid-run ~/essai/apcgrid/pi.py 

Proxy initialisation, enter duration in days: 1
ERROR from myproxy-server (myproxy.grif.fr):
Credentials do not exist. 
Enter GRID pass phrase:
Your identity: /O=GRID-FR/C=FR/O=CNRS/OU=LPNHE/CN=Tristan Beau
Creating temporary proxy .............................. Done
Contacting  grid12.lal.in2p3.fr:20008 [/O=GRID-FR/C=FR/O=CNRS/OU=LAL/CN=grid12.lal.in2p3.fr] "vo.lpnhe.in2p3.fr" Done
Creating proxy ................................................................. Done
Your proxy is valid until Wed Jul 13 13:42:52 2011

Proxy initialisation, enter duration in days: 1
ERROR from myproxy-server (myproxy.grif.fr):
Credentials do not exist. 
Enter GRID pass phrase:
Your identity: /O=GRID-FR/C=FR/O=CNRS/OU=LPNHE/CN=Tristan Beau
Creating temporary proxy ............................................. Done
Contacting  grid12.lal.in2p3.fr:20008 [/O=GRID-FR/C=FR/O=CNRS/OU=LAL/CN=grid12.lal.in2p3.fr] "vo.lpnhe.in2p3.fr" Done
Creating proxy ............................................. Done
Your proxy is valid until Wed Jul 13 13:42:58 2011
ERROR: Proxy Failed