KARL3

ConflictError on add_forum_topic

Bug #612649 reported by Jim B. Glenn on 2010-08-02

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	KARL3	Invalid	Low	Unassigned	KARL3 m999 "Barge"

Bug Description

Reported via error monitor

ENTRY
Mon Aug 2 12:44:14 2010
Exception when processing https://karl.soros.org/offices/nyc/forums/nyc-personals/add_forum_topic.html
Traceback (most recent call last):
  File "/opt/karl/osi/3.20.1-0/src/karl/karl/errorlog.py", line 15, in middleware
    return app(environ, start_response)
  File "/opt/karl/osi/3.20.1-0/eggs/repoze.zodbconn-0.11-py2.5.egg/repoze/zodbconn/connector.py", line 21, in __call__
    result = self.next_app(environ, start_response)
  File "/opt/karl/osi/3.20.1-0/eggs/repoze.retry-0.9.4-py2.5.egg/repoze/retry/__init__.py", line 88, in __call__
    app_iter = self.application(environ, replace_start_response)
  File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 47, in __call__
    self.commit()
  File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 52, in commit
    t.commit()
  File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 325, in commit
    self._commitResources()
  File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 424, in _commitResources
    rm.commit(self)
  File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 545, in commit
    self._commit(transaction)
  File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 582, in _commit
    raise ConflictError(object=obj)
ConflictError: database conflict error (oid 0xa1, class karl.models.community.Community)

Paul Everitt (paul-agendaless) on 2010-08-02

Changed in karl3:
assignee:	nobody → Chris Rossi (chris-archimedeanco)
importance:	Undecided → Medium
milestone:	none → m45
summary:	- Error for ZODB on OSI KARL Prod + ConflictError on add_forum_topic

Revision history for this message

Paul Everitt (paul-agendaless) wrote on 2010-08-03:

ChrisR thinks this looks like a logging issue unless repoze.retry is hitting its retry limit on that.

Changed in karl3:
importance:	Medium → Low

Paul Everitt (paul-agendaless) on 2010-08-09

Changed in karl3:
assignee:	Chris Rossi (chris-archimedeanco) → Tres Seaver (tseaver)

Revision history for this message

Tres Seaver (tseaver) wrote on 2010-08-09: Re: [Bug 612649] [NEW] ConflictError on add_forum_topic

Download full text (4.2 KiB)

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Hash: SHA1

Launchpad Bug Tracker wrote:
> You have been assigned a bug task for a public bug by Paul Everitt (paul-agendaless):
>
> Reported via error monitor
>
> ENTRY
> Mon Aug 2 12:44:14 2010
> Exception when processing https://karl.soros.org/offices/nyc/forums/nyc-personals/add_forum_topic.html
> Traceback (most recent call last):
> File "/opt/karl/osi/3.20.1-0/src/karl/karl/errorlog.py", line 15, in middleware
> return app(environ, start_response)
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.zodbconn-0.11-py2.5.egg/repoze/zodbconn/connector.py", line 21, in __call__
> result = self.next_app(environ, start_response)
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.retry-0.9.4-py2.5.egg/repoze/retry/__init__.py", line 88, in __call__
> app_iter = self.application(environ, replace_start_response)
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 47, in __call__
> self.commit()
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 52, in commit
> t.commit()
> File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 325, in commit
> self._commitResources()
> File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 424, in _commitResources
> rm.commit(self)
> File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 545, in commit
> self._commit(transaction)
> File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 582, in _commit
> raise ConflictError(object=obj)
> ConflictError: database conflict error (oid 0xa1, class karl.models.community.Community)
>
> ENTRY
> Mon Aug 2 12:44:14 2010
> Exception when processing https://karl.soros.org/offices/nyc/forums/nyc-personals/add_forum_topic.html
> Traceback (most recent call last):
> File "/opt/karl/osi/3.20.1-0/src/karl/karl/errorlog.py", line 15, in middleware
> return app(environ, start_response)
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.zodbconn-0.11-py2.5.egg/repoze/zodbconn/connector.py", line 21, in __call__
> result = self.next_app(environ, start_response)
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.retry-0.9.4-py2.5.egg/repoze/retry/__init__.py", line 88, in __call__
> app_iter = self.application(environ, replace_start_response)
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 47, in __call__
> self.commit()
> File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 52, in commit
> t.commit()
> File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 325, in commit
> self._commitResources()
> File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 424, in _commitResources
> rm.commit(self)
> File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 545, in commit
> self._commit(transaction)
> File "/opt/k...

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Launchpad Bug Tracker wrote:
> You have been assigned a bug task for a public bug by Paul Everitt (paul-agendaless):
> 
> Reported via error monitor
> 
> ENTRY
> Mon Aug  2 12:44:14 2010
> Exception when processing https://karl.soros.org/offices/nyc/forums/nyc-personals/add_forum_topic.html
> Traceback (most recent call last):
>   File "/opt/karl/osi/3.20.1-0/src/karl/karl/errorlog.py", line 15, in middleware
>     return app(environ, start_response)
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.zodbconn-0.11-py2.5.egg/repoze/zodbconn/connector.py", line 21, in __call__
>     result = self.next_app(environ, start_response)
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.retry-0.9.4-py2.5.egg/repoze/retry/__init__.py", line 88, in __call__
>     app_iter = self.application(environ, replace_start_response)
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 47, in __call__
>     self.commit()
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 52, in commit
>     t.commit()
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 325, in commit
>     self._commitResources()
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 424, in _commitResources
>     rm.commit(self)
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 545, in commit
>     self._commit(transaction)
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 582, in _commit
>     raise ConflictError(object=obj)
> ConflictError: database conflict error (oid 0xa1, class karl.models.community.Community)
> 
> ENTRY
> Mon Aug  2 12:44:14 2010
> Exception when processing https://karl.soros.org/offices/nyc/forums/nyc-personals/add_forum_topic.html
> Traceback (most recent call last):
>   File "/opt/karl/osi/3.20.1-0/src/karl/karl/errorlog.py", line 15, in middleware
>     return app(environ, start_response)
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.zodbconn-0.11-py2.5.egg/repoze/zodbconn/connector.py", line 21, in __call__
>     result = self.next_app(environ, start_response)
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.retry-0.9.4-py2.5.egg/repoze/retry/__init__.py", line 88, in __call__
>     app_iter = self.application(environ, replace_start_response)
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 47, in __call__
>     self.commit()
>   File "/opt/karl/osi/3.20.1-0/eggs/repoze.tm2-1.0a5-py2.5.egg/repoze/tm/__init__.py", line 52, in commit
>     t.commit()
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 325, in commit
>     self._commitResources()
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/transaction/_transaction.py", line 424, in _commitResources
>     rm.commit(self)
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 545, in commit
>     self._commit(transaction)
>   File "/opt/karl/osi/3.20.1-0/eggs/ZODB3-3.8.5-py2.5-linux-x86_64.egg/ZODB/Connection.py", line 582, in _commit
>     raise ConflictError(object=obj)
> ConflictError: database conflict error (oid 0xa1, class karl.models.community.Community)

status invalid

ConflictErrors are not issues which have application-level solutions:
they will occur from time to time in any ZODB application.  Normally,
such requests will be retried up to a configurable number of times
(default is 3).  They get logged even when retried:  the only feasible
remediation is to raise the count, if the limit is exceeded frequently.

Tres.
- --
===================================================================
Tres Seaver          +1 540-429-0999          tseaver@palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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Changed in karl3:
status:	New → Invalid

Revision history for this message

Paul Everitt (paul-agendaless) wrote on 2010-08-09:

At a minimum, we need to suppress this somehow from trigger errors. Tres, are you saying these errors are meaningless and can be ignored?

Paul Everitt (paul-agendaless) on 2010-08-11

Changed in karl3:
milestone:	m45 → m999
assignee:	Tres Seaver (tseaver) → nobody

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