ValueError: new last tid (273190459948665446) must be greater than previous one (273190525494372881)

Bug #1795405 reported by Chris Thomas on 2018-10-01
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ZODB
Undecided
Unassigned

Bug Description

Issue with Plone 5.1, we discovered another issue that honestly doesn't make sense to me.

When someone views the History of an item on the site, the site will take a long time to load, then this error comes up.

ValueError: new last tid (273179025317514649) must be greater than previous one (273179029162332364)

Full Traceback is as follows.

Traceback (innermost last):
Module ZPublisher.Publish, line 146, in publish
Module Zope2.App.startup, line 303, in commit
Module transaction._manager, line 131, in commit
Module transaction._transaction, line 310, in commit
Module transaction._transaction, line 301, in commit
Module transaction._transaction, line 446, in _commitResources
Module transaction._transaction, line 428, in _commitResources
Module ZODB.Connection, line 710, in tpc_finish
Module ZODB.mvccadapter, line 181, in tpc_finish
Module ZEO.ClientStorage, line 877, in tpc_finish
Module ZEO.asyncio.client, line 786, in tpc_finish
Module ZEO.asyncio.client, line 743, in call
Module ZEO.asyncio.client, line 756, in wait_for_result
Module concurrent.futures._base, line 422, in result
Module concurrent.futures._base, line 381, in __get_result
ValueError: new last tid (273190459948665446) must be greater than previous one (273190525494372881)

---- zeo clients disconnect and client logs show the following error

ERROR ZEO.asyncio.client Registration or cache validation failed, ('Server behind client, %r < %r, %s', '\x03\xca\xf8\x04\x10SE"', '\x03\xca\xf8\x06\xaaP\x8c\xdd', Protocol(('127.0.0.1', 8100), '1', False))
Traceback (most recent call last):
  File "/data/plone/buildout-cache/eggs/ZEO-5.1.1-py2.7.egg/ZEO/asyncio/client.py", line 493, in verify
    server_tid, cache_tid, protocol)
AssertionError: ('Server behind client, %r < %r, %s', '\x03\xca\xf8\x04\x10SE"', '\x03\xca\xf8\x06\xaaP\x8c\xdd', Protocol(('127.0.0.1', 8100), '1', False))

description: updated
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