Google App Engine - What exception does Transaction.commit() throw when there is a concurrency probl

Posted by Spines on Stack Overflow See other posts from Stack Overflow or by Spines
Published on 2010-05-24T00:33:11Z Indexed on 2010/05/24 1:30 UTC
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google-app-engine

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google-datastore

What exception does com.google.appengine.api.datastore.Transaction.commit() throw when there is a concurrency problem?

I want to retry if there is a concurrency issue, but I don't know what exception to catch.

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