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Code Block
languagexml
titleHibernate configuration file for H2® database
collapsetrue
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<hibernate-configuration>
 <session-factory>
  <property name="hibernate.connection.driver_class">org.h2.Driver</property>
  <property name="hibernate.connection.password">jobscheduler</property>
  <property name="hibernate.connection.url">jdbc:h2:/var/h2/jobscheduler</property>
  <property name="hibernate.connection.username">jobscheduler</property>
  <property name="hibernate.dialect">org.hibernate.dialect.H2Dialect</property>
  <property name="hibernate.show_sql">false</property>
  <property name="hibernate.connection.autocommit">false</property>
  <property name="hibernate.format_sql">true</property>
  <property name="hibernate.temp.use_jdbc_metadata_defaults">false</property>
  <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property>
  <property name="hibernate.hikari.maximumPoolSize">10</property>
 </session-factory>
</hibernate-configuration>

...

Code Block
languagexml
titleHibernate configuration file for MariaDB® database
collapsetrue
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<hibernate-configuration>
 <session-factory>
  <property name="hibernate.connection.driver_class">org.mariadb.jdbc.Driver</property>
  <property name="hibernate.connection.password">jobscheduler</property>
  <property name="hibernate.connection.url">jdbc:mariadb://mariadbsrv:3306/jobscheduler</property>
  <property name="hibernate.connection.username">jobscheduler</property>
  <property name="hibernate.dialect">org.hibernate.dialect.MariaDBDialect</property>
  <property name="hibernate.show_sql">false</property>
  <property name="hibernate.connection.autocommit">false</property>
  <property name="hibernate.format_sql">true</property>
  <property name="hibernate.temp.use_jdbc_metadata_defaults">false</property>
  <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property>
  <property name="hibernate.hikari.maximumPoolSize">10</property>
 </session-factory>
</hibernate-configuration>

...

Code Block
languagexml
titleHibernate configuration file for MySQL® database
collapsetrue
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<hibernate-configuration>
 <session-factory>
  <property name="hibernate.connection.driver_class">org.mysql.jdbc.Driver</property>
  <property name="hibernate.connection.password">jobscheduler</property>
  <property name="hibernate.connection.url">jdbc:mysql://mysqlsrv:3306/jobscheduler</property>
  <property name="hibernate.connection.username">jobscheduler</property>
  <property name="hibernate.dialect">org.hibernate.dialect.MySQLInnoDBDialect</property>
  <property name="hibernate.show_sql">false</property>
  <property name="hibernate.connection.autocommit">false</property>
  <property name="hibernate.format_sql">true</property>
  <property name="hibernate.temp.use_jdbc_metadata_defaults">false<">false</property>
  <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property>
  <property name="hibernate.hikari.maximumPoolSize">10</property>
 </session-factory>
</hibernate-configuration>

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Code Block
languagexml
titleHibernate configuration file for Oracle® database
collapsetrue
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<hibernate-configuration>
 <session-factory>
  <property name="hibernate.connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
  <property name="hibernate.connection.password">jobscheduler</property>
  <property name="hibernate.connection.url">jdbc:oracle:thin:@//oraclesrv:1521/xe</property>
  <property name="hibernate.connection.username">jobscheduler</property>
  <property name="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</property>
  <property name="hibernate.show_sql">false</property>
  <property name="hibernate.connection.autocommit">false</property>
  <property name="hibernate.format_sql">true</property>
  <property name="hibernate.temp.use_jdbc_metadata_defaults">false</property>
  <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property>
  <property name="hibernate.hikari.maximumPoolSize">10</property>
 </session-factory>
</hibernate-configuration>

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Code Block
languagexml
titleHibernate configuration file for PostgreSQL® database
collapsetrue
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<hibernate-configuration>
 <session-factory>
  <property name="hibernate.connection.driver_class">org.postgresql.Driver</property>
  <property name="hibernate.connection.password">jobscheduler</property>
  <property name="hibernate.connection.url">jdbc:postgresql://postgresqlsrv:5432/jobscheduler</property>
  <property name="hibernate.connection.username">jobscheduler</property>
  <property name="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</property>
  <property name="hibernate.show_sql">false</property>
  <property name="hibernate.connection.autocommit">false</property>
  <property name="hibernate.format_sql">true</property>
  <property name="hibernate.temp.use_jdbc_metadata_defaults">false<defaults">false</property>
  <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property>
  <property name="hibernate.hikari.maximumPoolSize">10</property>
 </session-factory>
</hibernate-configuration>

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Code Block
languagexml
titleHibernate configuration file for SQL Server® database
collapsetrue
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<hibernate-configuration>
 <session-factory>
  <property name="hibernate.connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property>
  <property name="hibernate.connection.password">jobscheduler</property>
  <property name="hibernate.connection.url">jdbc:sqlserver://sqlserversrv:1433;sendStringParametersAsUnicode=false;selectMethod=cursor;databaseName=jobscheduler</property>
  <property name="hibernate.connection.username">jobscheduler</property>
  <property name="hibernate.dialect">org.hibernate.dialect.SQLServer2005Dialect</property>
  <property name="hibernate.show_sql">false</property>
  <property name="hibernate.connection.autocommit">false</property>
  <property name="hibernate.format_sql">true</property>
  <property name="hibernate.temp.use_jdbc_metadata_defaults">false</property>
  <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property>
  <property name="hibernate.hikari.maximumPoolSize">10</property>
 </session-factory>
</hibernate-configuration>

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  • By default the Hikari Connection Pool is used with JS7.
    • The Hikari setting for the maximumPoolSize is included with the Hibernate configuration file as this determines the max. number of open database connections:

      Code Block
      languagexml
      titleHikari Connection Pool recommended settings
      collapsetrue
        <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property>
        <property name="hibernate.hikari.maximumPoolSize">10</property>
      
    • Additional settings for Hikari can be added by property elements to a Hibernate configuration file.
  • Alternatively e.g. the C3P0 Connection Pool can be used.
    • Use of C3P0 suggests a number of additional settings that better match use with JS7 than the default values

      Code Block
      languagexml
      titleC3P0 Connection Pool recommended settings
      collapsetrue
        <property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>
        <property name="hibernate.c3p0.maxConnectionAge">14400</property>
        <property name="hibernate.c3p0.maxStatementsPerConnection">0</property>
        <property name="hibernate.c3p0.maxStatements">0</property>
        <property name="hibernate.c3p0.checkoutTimeout">0</property>
        <property name="hibernate.c3p0.maxIdleTime">14400</property>
        <property name="hibernate.c3p0.acquireRetryAttempts">1</property>
        <property name="hibernate.c3p0.minPoolSize">5</property>
        <property name="hibernate.c3p0.acquireIncrement">1</property>
        <property name="hibernate.c3p0.statementCacheNumDeferredCloseThreads">1</property>
        <property name="hibernate.c3p0.numHelperThreads">3</property>
        <property name="hibernate.c3p0.idleConnectionTestPeriod">1800</property>
        <property name="hibernate.c3p0.maxPoolSize">10</property>
        <property name="hibernate.c3p0.initialPoolSize">5</property>
    • Additional settings can be added by corresponding property elements, however, close reading of the C3P0 docs is recommended before applying changes.

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