一段时间不活动后，tomcat连接中断

一段时间不活动后，tomcat连接中断

我通过使用连接

c3p0

池解决了这个问题

<bean id="dataSource"         destroy-method="close" p:driverClass="${jdbc.driverClassName}"        p:jdbcUrl="${jdbc.url}" p:user="${jdbc.username}" p:password="${jdbc.password}"        p:preferredTestQuery="select 1 from dual" p:idleConnectionTestPeriod="300"        p:maxStatements="100" p:acquireRetryAttempts="1" p:checkoutTimeout="1000"        p:testConnectionOnCheckout="true" p:testConnectionOnCheckin="true"        p:acquireIncrement="${c3p0.acquire_increment}" p:minPoolSize="${c3p0.min_size}"        p:maxPoolSize="${c3p0.max_size}" p:maxIdleTime="${c3p0.max_idle_time}"        p:unreturnedConnectionTimeout="${c3p0.unreturned_connection_timeout}" />

DB.properties文件：

#hibernatehibernate.dialect=org.hibernate.dialect.OracleDialecthibernate.hbm2ddl.auto= updatehibernate.connection.autocommit = truehibernate.cache = truehibernate.query.cache = truehibernate.statistics = truehibernate.c3p0.idle_test_period=300#c3p0 poolc3p0.acquire_increment=5c3p0.max_size=100c3p0.min_size=5c3p0.max_idle_time=1200c3p0.unreturned_connection_timeout=120