I am working with:
- Spring 4.1.4.RELEASE
- Hibernate 4.3.8.FINAL
- HikariCP 2.3.2
- MySQL 5.6.22 Homebrew
HikariCP page has two interesting documentation/blog about MySQL and Hibernate
After to read the following tutorial about MySQL:
I have the following configuration about the DataSource:
Alpha (the best recommended and first try)
@Bean(name="dataSource", destroyMethod="close")
public DataSource dataSourceDevelopment() throws Exception{
HikariConfig hc = new HikariConfig();
hc.setDataSourceClassName("com.mysql.jdbc.jdbc2.optional.MysqlDataSource");
//hc.setDriverClassName("com.mysql.jdbc.Driver");
//hc.setJdbcUrl("jdbc:mysql://localhost:3306/manolodb_01");
hc.setUsername("user");
hc.setPassword("password");
hc.setPoolName("hikaricp-manolodb_01-pool");
hc.addDataSourceProperty("databaseName", "manolodb_01");
hc.addDataSourceProperty("cachePrepStmts", "true");
hc.addDataSourceProperty("prepStmtCacheSize", "250");
hc.addDataSourceProperty("prepStmtCacheSqlLimit", "2048");
hc.addDataSourceProperty("useServerPrepStmts", "true");
HikariDataSource hds = new HikariDataSource(hc);
return hds;
}
After to read the following tutorial about Hibernate:
I have the following configuration:
@Bean
public LocalSessionFactoryBean sessionFactory(DataSource dataSource){
LocalSessionFactoryBean localSessionFactoryBean = new LocalSessionFactoryBean();
localSessionFactoryBean.setDataSource(dataSource);
localSessionFactoryBean.setPackagesToScan("com.manuel.jordan.domain");
Properties hibernateProperties = new Properties();
hibernateProperties.setProperty("hibernate.dialect", environment.getRequiredProperty("database.hibernate.dialect", String.class));
hibernateProperties.setProperty("hibernate.connection.provider_class","com.zaxxer.hikari.hibernate.HikariConnectionProvider");
hibernateProperties.setProperty("hibernate.cache.provider_class","org.hibernate.cache.NoCacheProvider");
hibernateProperties.setProperty("hibernate.show_sql","true");
hibernateProperties.setProperty("hibernate.format_sql","true");
hibernateProperties.setProperty("hibernate.use_sql_comments","true");
hibernateProperties.setProperty("hibernate.max_fetch_depth","30");
hibernateProperties.setProperty("hibernate.default_batch_fetch_size","30");
hibernateProperties.setProperty("hibernate.jdbc.batch_size","30");//N + 1
hibernateProperties.setProperty("hibernate.order_updates", "true");
hibernateProperties.setProperty("org.hibernate.SQL","true");
hibernateProperties.setProperty("org.hibernate.type","true");
localSessionFactoryBean.setHibernateProperties(hibernateProperties);
return localSessionFactoryBean;
}
observe I am using: hibernateProperties.setProperty("hibernate.connection.provider_class","com.zaxxer.hikari.hibernate.HikariConnectionProvider");
But I always receive:
Caused by: java.lang.IllegalArgumentException: one of either dataSource or dataSourceClassName must be specified
at com.zaxxer.hikari.AbstractHikariConfig.validate(AbstractHikariConfig.java:747)
at com.zaxxer.hikari.HikariDataSource.<init>(HikariDataSource.java:73)
at com.zaxxer.hikari.hibernate.HikariConnectionProvider.configure(HikariConnectionProvider.java:80)
... 54 more
Even with Beta
@Bean(name="dataSource", destroyMethod="close")
public DataSource dataSourceDevelopment() throws Exception{
HikariConfig hc = new HikariConfig();
//hc.setDataSourceClassName("com.mysql.jdbc.jdbc2.optional.MysqlDataSource");
hc.setDriverClassName("com.mysql.jdbc.Driver");
hc.setJdbcUrl("jdbc:mysql://localhost:3306/manolodb_01");
hc.setUsername("user");
hc.setPassword("password");
hc.setPoolName("hikaricp-manolodb_01-pool");
hc.addDataSourceProperty("databaseName", "manolodb_01");
hc.addDataSourceProperty("cachePrepStmts", "true");
hc.addDataSourceProperty("prepStmtCacheSize", "250");
hc.addDataSourceProperty("prepStmtCacheSqlLimit", "2048");
hc.addDataSourceProperty("useServerPrepStmts", "true");
HikariDataSource hds = new HikariDataSource(hc);
return hds;
}
I get the same error message:
I did realize if I comment
hibernateProperties.setProperty("hibernate.connection.provider_class","com.zaxxer.hikari.hibernate.HikariConnectionProvider");
I have no errors. Why this behavior?
I think my configuration is correct because the second link says:
In order to use the HikariConnectionProvider in Hibernate 4.x add the
following property to your hibernate.properties configuration file:
hibernate.connection.provider_class=com.zaxxer.hikari.hibernate.HikariConnectionProvider
And that is what I have…
I don't want include HikariCP configuration properties directly in the hibernate.properties how the second link offers too.
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