It does seem like it copied over some child entities so that isn't the
exact issue.
The main problem I have is that not everything gets copied. For
example, I have one entity kind that only got 730,000 entities copied
when the source app has 810,000 entities. I don't know how I would
find the missing ones and just copy those over. I also am afraid to
try it again because I don't want to get charged another $80.

On Mar 10, 2:01 pm, Jamie H <[email protected]> wrote:
> You are not alone.  I experienced the same issues you are experiencing
> when I did my migration.  I received no response from Google but this
> is no doubt an issue.  I received the same namespace error, along with
> several mappers just hanging idle.
>
> On Mar 10, 2:01 pm, Petey <[email protected]> wrote:
>
>
>
>
>
>
>
> > It looks like this happens to all child entities in an entity group. I
> > can't get any entities that are children to copy over. I even tried
> > altering the order in which I copied the parent and child entities.
>
> > Does anyone have any workarounds? I really need this to work. I've
> > noticed several other people have had this issue, but they also have
> > gotten no response.
>
> > On Mar 9, 9:02 pm, Petey <[email protected]> wrote:
>
> > > I just noticed these errors in the logs of my source application. I'm
> > > guessing this might have something to do with it. Why is this
> > > happening and how can I get around the issue?
>
> > > The app/namespace arguments (<sourceapp>/) should match parent.app/
> > > namespace() (s~<targetapp>/)
> > > Traceback (most recent call last):
> > >   File "/base/python_runtime/python_lib/versions/1/google/appengine/
> > > ext/webapp/__init__.py", line 517, in __call__
> > >     handler.post(*groups)
> > >   File "/base/python_runtime/python_lib/versions/1/google/appengine/
> > > ext/mapreduce/base_handler.py", line 59, in post
> > >     self.handle()
> > >   File "/base/python_runtime/python_lib/versions/1/google/appengine/
> > > ext/mapreduce/handlers.py", line 172, in handle
> > >     ctx.flush()
> > >   File "/base/python_runtime/python_lib/versions/1/google/appengine/
> > > ext/mapreduce/context.py", line 244, in flush
> > >     pool.flush()
> > >   File "/base/python_runtime/python_lib/versions/1/google/appengine/
> > > ext/datastore_admin/copy_handler.py", line 221, in flush
> > >     1, maxid)
> > >   File "/base/python_runtime/python_lib/versions/1/google/appengine/
> > > ext/db/__init__.py", line 1455, in allocate_id_range
> > >     start_key = Key.from_path(key.kind(), start, parent=key.parent())
> > >   File "/base/python_runtime/python_lib/versions/1/google/appengine/
> > > api/datastore_types.py", line 387, in from_path
> > >     (app_id, namespace, parent.app(), parent.namespace()))
> > > BadArgumentError: The app/namespace arguments (<sourceapp>/) should
> > > match parent.app/namespace() (s~<targetapp>/)

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