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Trouble with Spring @Transactional and dead locks

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In my app I had I found if a user double-clicked on a search submit it generated a nasty error from my database (MySQL) about a dead lock problem.

Here is the first part of the error:

Having fixed the double-click problem, this has got me worried about collisions from multiple users trying to run a search simultaneously. If they happen to search at the same time won't one of them get the same error?

Is there a way to configure the transaction so that it will allow multiple reads at the same time?

Or is there a better replacement for the @Transactional annotation? This class does not really need a transaction. But when I take it off Spring does not know how to handle the entity.
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