[ZODB-Dev] RelStorage: Unable to acquire commit lock

[Stefan H . Holek]

I try to use two relstorages, roughly following Evan's ZopeLabs recipe  
[1]. This is how my zope.conf looks like:

<zodb_db main>
    %import relstorage
    <relstorage>
        <mysql>
            db test_zodb
            host localhost
        </mysql>
    </relstorage>
    mount-point /
</zodb_db>
<zodb_db sessions>
    %import relstorage
    <relstorage>
        <mysql>
            db test_sessions
            host localhost
        </mysql>
    </relstorage>
    mount-point /sessions_folder
</zodb_db>

However, when I want to mount the /sessions_folder I get this:

2008-05-08 21:13:15 ERROR Zope.SiteErrorLog 
http://localhost:8080/manage_addProduct/ZODBMountPoint/manage_addMounts
Traceback (innermost last):
  Module ZPublisher.Publish, line 125, in publish
  Module Zope2.App.startup, line 238, in commit
  Module transaction._manager, line 96, in commit
  Module transaction._transaction, line 395, in commit
  Module transaction._transaction, line 498, in _commitResources
  Module ZODB.Connection, line 730, in tpc_vote
  Module relstorage.relstorage, line 529, in tpc_vote
  Module relstorage.relstorage, line 513, in _vote
  Module relstorage.relstorage, line 420, in _prepare_tid
  Module relstorage.adapters.mysql, line 406, in start_commit
StorageError: Unable to acquire commit lock

Thanks,
Stefan

[1] http://www.zopelabs.com/cookbook/1061234337

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