我想在SE环境中使用来自Apache公共的DBCP2连接池:(build.gradle)
compile group: 'org.apache.commons', name: 'commons-dbcp2', version: '2.2.0'
的persistence.xml:
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
version="2.1">
<persistence-unit name="MyPersistenceUnit" transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.myapp.MyModel</class>
<properties>
<property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver"/>
<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/my_db"/>
<property name="javax.persistence.jdbc.user" value="postgres"/>
<property name="javax.persistence.jdbc.password" value="mypassword"/>
<property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQL94Dialect"/>
<property name="hibernate.hbm2ddl.auto" value="validate"/>
<property name="hibernate.dbcp.initialSize" value="5"/>
<property name="hibernate.dbcp.maxTotal" value="20"/>
<property name="hibernate.dbcp.maxIdle" value="10"/>
<property name="hibernate.dbcp.minIdle" value="5"/>
<property name="hibernate.dbcp.maxWaitMillis" value="-1"/>
<property name="hibernate.show_sql" value="true"/>
<property name="hibernate.format_sql" value="true"/>
</properties>
</persistence-unit>
但Hibernate无法识别这一点,仍然使用其内置的连接池:
WARN org.hibernate.orm.connections.pooling - HHH10001002: Using Hibernate built-in connection pool (not for production use!)