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我正在使用JPA爲我的項目的持久性,並沒有真正瞭解任何有關休眠,但大多數教程我發現設置連接池使用c3p0和休眠。驗證與JPA運行的c3p0
我的繼承人persistence.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" 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">
<persistence-unit name="Cinemango308PU" transaction-type="RESOURCE_LOCAL">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<class>JPA.Ad</class>
<class>JPA.Photo</class>
<class>JPA.Theatre</class>
<class>JPA.Creditcard</class>
<class>JPA.Moviereview</class>
<class>JPA.Giftcard</class>
<class>JPA.Showtime</class>
<class>JPA.Ticket</class>
<class>JPA.Favoritetheatres</class>
<class>JPA.User</class>
<class>JPA.Actor</class>
<class>JPA.Movie</class>
<class>JPA.Theatrerewards</class>
<class>JPA.Payment</class>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:5432/cinemango>
<property name="javax.persistence.jdbc.user" value="xxxx"/>
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
<property name="javax.persistence.jdbc.password" value="xxxxxx"/>
<property name="javax.persistence.schema-generation.database.action" value="create"/>
<!-- Configuring Connection Pool -->
<property name="connection.provider_class" value="org.hibernate.connection.C3P0ConnectionProvider" />
<property name="hibernate.c3p0.max_size" value="5" />
<property name="hibernate.c3p0.min_size" value="0" />
<property name="hibernate.c3p0.acquire_increment" value="1" />
<property name="hibernate.c3p0.idle_test_period" value="300" />
<property name="hibernate.c3p0.max_statements" value="0" />
<property name="hibernate.c3p0.timeout" value="100" />
</properties>
</persistence-unit>
</persistence>
如何測試,如果連接池的工作?我沒有看到顯示我的輸出日誌
如果您在此發佈相關摘錄,以防鏈接死亡 – kolossus 2015-06-10 16:48:30