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JavaRanch » Java Forums » Databases » JDBC and Relational Databases
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Long connection time between MySQL and JDBC

Lilian Chase

Joined: Jun 14, 2010
Posts: 24

Hi everyone,

I have a web application running on Tomcat that accesses data from a MySQL database.

However the time taken to establish a connection is very long.

The function that I'm using to connection to the database is

It takes an average of 9 seconds to establish the connection. Query time is <1s depending on record size.

However, running the same function from Netbeans takes less than <1s from the same machine.

Hence, I would like to know if there's additional delay or firewall accessing the MySQL from Tomcat web application as compared to a direct connection.
Campbell Ritchie

Joined: Oct 13, 2005
Posts: 46437
Closing as apparently a duplicate of this thread.
I agree. Here's the link:
subject: Long connection time between MySQL and JDBC
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