Filed as a bug: http://code.google.com/p/googleappengine/issues/detail?id=2725
v. On Feb 3, 1:34 pm, phraktle <phrak...@gmail.com> wrote: > I have no issues with data store or memcache partitioning/versioning. > I know how to evolve the schema, how to deal with serialization > changes, applying version numbering schemes if needed, etc... > > My problem is specific to cron jobs: GAE does not dispatch the cron > invocation to it's proper place. If your active "production" version > simply does not have the implementation yet, your cron job scheduled > in the "test" version will still be active, but yielding a bunch of > errors - instead of calling the implementation in "test". > > Regards, > Viktor > > On Feb 3, 1:17 pm, John Patterson <jdpatter...@gmail.com> wrote: > > > > > Cron jobs always execute against the default version. > > > A feature I use a lot to compartmentalise data with Twig is "versioned > > datastores". It basically just prepends a version number to the > > Entity kind for all instances stored or queried with that session. So > > effectively you have multiple separate name spaces in a single > > datastore. This is very handy for upgrading your data schema or > > starting fresh with a new data version when I update my entire > > database. Its undocumented at the moment but if you want more details > > let me know. > > >http://code.google.com/p/twig-persist/ > > > On 3 Feb 2010, at 17:57, Kasper Hansen wrote: > > > > Hi, > > > > It's the same with data. Data is for all versions. I don't want to say > > > this is a bug, because in some regards it's nice that data is shared, > > > but in other situations it's not. It would be nice to be able to > > > "compartmentalize" an app somehow. > > > > :-) Kasper > > > > On Wed, Feb 3, 2010 at 11:40 AM, phraktle <phrak...@gmail.com> wrote: > > >> Hi, > > > >> There appears to be a bug - or at least undesired behavior - > > >> regarding > > >> cron jobs. Let's say there's a "test" and a "production" (the active) > > >> version of an app. If you add a cron job to cron.xml in "test", one > > >> would expect that job is bound to that specific version. Instead what > > >> I'm seeing: > > > >> - the cron job is listed in the GAE administrator for both apps (ie. > > >> regardless of what you select in the app version dropdown) > > > >> - the cron gets invoked on "production" - and fails, as that version > > >> doesn't have the implementation > > > >> For me, this is clearly a problem. The documentation does not specify > > >> how versions relate to cron jobs... however, the docs imply it's okay > > >> to run several distinct versions, even with different runtimes (ie. > > >> mixing java and python). Based on this the only reasonable approach > > >> would be to bind the cron job to the specific version of the app. One > > >> also needs this separation to be able to test the cron job's > > >> operation > > >> before going live. > > > >> If running the cron job in the "test" version is not desired (eg. if > > >> the same job is already active in production), the developer should > > >> simply disable it in that version (either in cron.xml, or by detect > > >> the current version in the job implementation). > > > >> Regards, > > >> Viktor > > > >> -- > > >> You received this message because you are subscribed to the Google > > >> Groups "Google App Engine for Java" group. > > >> To post to this group, send email to > > >> google-appengine-java@googlegroups.com > > >> . > > >> To unsubscribe from this group, send email to > > >> google-appengine-java+unsubscr...@googlegroups.com > > >> . > > >> For more options, visit this group > > >> athttp://groups.google.com/group/google-appengine-java?hl=en > > >> . > > > > -- > > > You received this message because you are subscribed to the Google > > > Groups "Google App Engine for Java" group. > > > To post to this group, send email to > > > google-appengine-java@googlegroups.com > > > . > > > To unsubscribe from this group, send email to > > > google-appengine-java+unsubscr...@googlegroups.com > > > . > > > For more options, visit this group > > > athttp://groups.google.com/group/google-appengine-java?hl=en > > > . -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
