Set the connection duration when using HikariCP
Stay organized with collections
Save and categorize content based on your preferences.
Set the maximum number of seconds a connection can persist when connecting to Cloud SQL for MySQL by using the HikariCP JDBC connection pool library.
Explore further
For detailed documentation that includes this code sample, see the following:
Code sample
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# Set the connection duration when using HikariCP\n\nSet the maximum number of seconds a connection can persist when connecting to Cloud SQL for MySQL by using the HikariCP JDBC connection pool library.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Manage database connections](/sql/docs/mysql/manage-connections)\n\nCode sample\n-----------\n\n### Java\n\n\nTo authenticate to Cloud SQL for MySQL, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n // maxLifetime is the maximum possible lifetime of a connection in the pool. Connections that\n // live longer than this many milliseconds will be closed and reestablished between uses. This\n // value should be several minutes shorter than the database's timeout value to avoid unexpected\n // terminations.\n config.setMaxLifetime(1800000); // 30 minutes\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=cloud_sql_mysql)."]]