Database connection pooling

We do not recommend using connection pooling in our environment since the connection establishment to the DB is lightweight process. Just close the DB connections when you're finished with them and reopen them when needed.

request scope is an excellent lifespan for a DB connection.

Be especially careful when reusing pooled connections since the RDBMS might be configured to timeout inactive connections and you might encounter:

java.sql.SQLException: No operations allowed after connection closed
  • Java, Tomcat, Database, Connection, Pooling, MySQL
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