Bug#595716: rebuildd daemon dies - "sqlobject.dberrors.OperationalError: database is locked"

[Rafal Krypa]

Package: rebuildd
Version: 0.3.10
Severity: important

When building multiple jobs, rebuildd daemon die occasionally. The problem does
not happen whet max_jobs = 1.
Below is the traceback appearing in rebuildd.log:

Traceback (most recent call last):
  File "/usr/sbin/rebuildd", line 50, in <module>
    Rebuildd().daemon()
  File "/usr/lib/pymodules/python2.6/rebuildd/Rebuildd.py", line 78, in daemon
    self.loop()
  File "/usr/lib/pymodules/python2.6/rebuildd/Rebuildd.py", line 369, in loop
    self.get_new_jobs()
  File "/usr/lib/pymodules/python2.6/rebuildd/Rebuildd.py", line 163, in 
get_new_jobs
    job.status = JobStatus.WAIT_LOCKED
  File "/usr/lib/pymodules/python2.6/rebuildd/Job.py", line 64, in __setattr__
    self.status_changed = sqlobject.DateTimeCol.now()
  File "/usr/lib/pymodules/python2.6/rebuildd/Job.py", line 65, in __setattr__
    sqlobject.SQLObject.__setattr__(self, name, value)
  File "<string>", line 1, in <lambda>
  File "/usr/lib/python2.6/dist-packages/sqlobject/main.py", line 1050, in 
_SO_setValue
    dbValue)])
  File "/usr/lib/python2.6/dist-packages/sqlobject/dbconnection.py", line 517, 
in _SO_update
    self.sqlrepr(so.id)))
  File "/usr/lib/python2.6/dist-packages/sqlobject/dbconnection.py", line 343, 
in query
    return self._runWithConnection(self._query, s)
  File "/usr/lib/python2.6/dist-packages/sqlobject/dbconnection.py", line 256, 
in _runWithConnection
    val = meth(conn, *args)
  File "/usr/lib/python2.6/dist-packages/sqlobject/dbconnection.py", line 340, 
in _query
    self._executeRetry(conn, conn.cursor(), s)
  File "/usr/lib/python2.6/dist-packages/sqlobject/sqlite/sqliteconnection.py", 
line 183, in _executeRetry
    raise OperationalError(ErrorMessage(e))
sqlobject.dberrors.OperationalError: database is locked



-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing'), (60, 'unstable'), (50, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_DK.utf8, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash



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