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Editorial Team
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Asked: 2026-05-13T12:32:34+00:00

I’m using an object/relational mapper to talk to the database. The library in my

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I’m using an object/relational mapper to talk to the database. The library in my case is iBatis which is also used for transaction management.
However, I recently had a case where iBatis didn’t actually start a transaction even though startTransaction() etc. was called as documented.
After some debugging I found out that there was a configuration mistake on my side.

One might blame iBatis but I would like to avoid such misconceptions in the future.
So here’s the question:

How can I programmatically assert that the current database connection is running in a transaction?

The databases I’m using are Oracle, MySQL and H2 (for testing).

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  1. Editorial Team

    I’m not 100% sure if this is absolutely indicative of being in a tx, but Connection.getAutoCommit() tells you if the connection is in auto-commit mode, where auto-commit “on” means “no transaction”.

    There may well be cases where this assertion does not hold, but most JDBC-based frameworks will use that setting to control transactions.

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