Your approach works fine for me on OS X. But the datastore is held in
memory so only one app can use it at a time. If you make changes to
the datastore you also need to wait until you see the log message
"Time to persist datastore..." before shutting down the app.
On 13 Aug 2010, at 09:14, millr wrote:
Hello,
I am aware that it is possible to run different applications that
share the same datastore by using different version strings for the
two applications, as detailed here:
http://googleappengine.blogspot.com/2009/06/10-things-you-probably-didnt-know-about.html
Now that I have found this approach I am wondering how I could pool
the data on the development versions of the app that I am running
locally.
I am using JRuby for a rack app and have found that the datastore data
is stored in /WEB-INF/appengine-generated/local_db.bin, so I tried
creating a symlink from the original app to the same location within
the new app I wish to share the datastore with. This didn't work an
produced the following error:
INFO: Failed to load from the backing store, /WEB-INF/appengine-
generated/local_db.bin
java.io.StreamCorruptedException: invalid stream header: 626F6F6B
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:
783)
Does anyone know of ways I can share this data successfully on my
local versions of apps?
Thanks.
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