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  1. MariaDB Connector/J
  2. CONJ-477

Aurora not compatible with option usePipelineAuth

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 2.0.0-RC, 1.6.0, 2.0.1
    • 1.6.1, 2.0.2
    • aurora
    • None

    Description

      Environment:

      HikariCP version: 2.6.1
      JDK version : 1.8.0_125
      Database : MySQL
      Driver :org.mariadb.jdbc.Driver
      Driver version : 2.0.1

      Issue:
      Running into a weird issue while using HikariCP with mariadb connector. HikariCP pool stuck at start up sequence after I changed com.mysql.jdbc.Driver to org.mariadb.jdbc.Driver

      Usage:
      String driver = "org.mariadb.jdbc.Driver";
      String jdbcUrl = "jdbc:mysql://mysql_host:3306";
      Class.forName(driver);
      HikariConfig config = new HikariConfig();
      config.setDriverClassName(driver);
      config.setJdbcUrl(jdbcUrl);
      config.setUsername(user);
      config.setPassword(password);
      config.setConnectionTimeout(30000);
      config.setMaximumPoolSize(20);
      config.setAutoCommit(false);
      config.addDataSourceProperty("cachePrepStmts", true);
      config.addDataSourceProperty("prepStmtCacheSize", 250);
      config.addDataSourceProperty("prepStmtCacheSqlLimit", 2048);
      datasource = new HikariDataSource(config);

      The application stuck at the line:
      datasource = new HikariDataSource(config);

      Got this log while I'm using "com.mysql.jdbc.Driver":
      thread="main" log="INFO" class="c.z.h.HikariDataSource" HikariPool-5 - Starting...
      thread="main" log="INFO" class="c.z.h.HikariDataSource" HikariPool-5 - Start completed.

      But after switching to mariadb connector, this is the last line I see:
      thread="main" log="INFO" class="c.z.h.HikariDataSource" HikariPool-5 - Starting...

      Note: I've tested with multiple mysql servers as well as an Aurora one. Regardless of which one is used as jdbc URL, HikariDataSource fails starting as long as I use mariadb driver.

      Temporary Solution:
      I've done testing by downgrading mariadb driver to version 1.5.4 and this solved the connection hanging problem.
      With more testing I found out the latest version that can work well with Aurora is 1.5.9

      After going through the change log for 1.6.0 / 2.0.0-RC, I found out the culprit: usePipelineAuth is default to true.

      • Either downgrade to version 1.5.9 or below
      • Or continue using 1.6.0 / 2.0.0 / 2.0.1 and mark usePipelineAuth=false in the jdbc url.

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              diego dupin Diego Dupin
              xdu Xing Du
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                Updated:
                Resolved:

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