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Asked: 2026-06-03T23:30:38+00:00

I have an application which runs some multi-threading process. In each thread I’m sharing

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I have an application which runs some multi-threading process.
In each thread I’m sharing the same connection to my mysql db which store information important for the thread to run.

Usually when multi-threading I must check for synchronization so I want to share the same resource at the same time, but do I have to do the same with mysql?

I’m using innodb which locks the row when using it, and I don’t know if I need to look the access to it in my code too.

To my understanding it doesn’t matter if I do it or not because the server it self manage its connection but again I’m not sure.

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1 Answer

  1. Editorial Team

    Connections in java are not guaranteed to be thread safe.

    In addition to that, Mysql (and innodb in particular) can handle multiple connections safely.

    In a comment to you question (by Emil Vikström), solutions are proposed to your problem;

    (Edit) and I quote:

    Have you checked out one of the multiple questions dealing with this topic already? For example: Java Threads and MySQL and Is MySQL Connector/JDBC thread safe? – Emil Vikström

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