This is a snapshot of Indico's old Trac site. Any information contained herein is most probably outdated. Access our new GitHub site here.

Opened 4 years ago

Closed 3 years ago

#985 closed defect (needfeedback)

Unable to book a rooms using RoomBooking plugin

Reported by: ricceri Owned by:
Priority: critical Milestone:
Component: Room Booking Version: 0.98-dev
Keywords: Booking, WSGI Cc: salvatore.monforte@…


Periodically the RoomBooking process stops working and restarting apache seems to be the only solution.

Follow the errors reported:

o- indico.wsgi : ERROR - WSGI Exception
Traceback (most recent call last):

File "/usr/local/lib/python2.6/dist-packages/indico-0.98_rc1-py2.6.egg/indico/web/wsgi/", line 355, in flush


IOError: failed to write data

o- File "/usr/local/lib/python2.6/dist-packages/ZODB3-3.10.5-py2.6-linux-x86_64.egg/ZEO/", line 1116, in tpc_begin

"Duplicate tpc_begin calls for same transaction")

StorageTransactionError?: Duplicate tpc_begin calls for same transaction
2012-02-02 16:09:36,483 indico.requestHandler: ERROR - Request 140012244424144 failed: "Duplicate tpc_begin calls for same transaction"

Apache seems to be correctly configured in prefork mode:

/usr/sbin/apache2 -l

Compiled in modules:


Apache2 is in prefork mode.

<IfModule? mpm_prefork_module>

StartServers? 5
MinSpareServers? 5
MaxSpareServers? 10
MaxClients? 150
MaxRequestsPerChild? 1


Change History (1)

comment:1 Changed 3 years ago by jbenito

  • Resolution set to needfeedback
  • Status changed from new to closed

Dear Salvatore,

Sorry, we have just noticed this ticket. Is it fixed?
Please, contact project-indico-administrators@… for this kind of issues.

Best regards,

Note: See TracTickets for help on using tickets.