C3P0 : 中途报错 An attempt by a client to checkout a Connection has timed out. 测试用的配置: dataSource = new ComboPooledDataSource(); dataSource.setUser("root"); dataSource.setPassword(""); dataSource .setJdbcUrl("jdbc:mysql://localhost:3306/vst?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&failOverReadOnly=false&maxReconnects=10"); dataSource.setDriverClass(""); dataSource.setInitialPoolSize(2); dataSource.setMinPoolSize(20); dataSource.setMaxPoolSize(20); dataSource.setMaxStatements(0); dataSource.setMaxIdleTime(60); dataSource.setCheckoutTimeout(1000); dataSource.setIdleConnectionTestPeriod(60); 哪里有错吗
测试用的配置:
dataSource = new ComboPooledDataSource();
dataSource.setUser("root");
dataSource.setPassword("");
dataSource
.setJdbcUrl("jdbc:mysql://localhost:3306/vst?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&failOverReadOnly=false&maxReconnects=10");
dataSource.setDriverClass("");
dataSource.setInitialPoolSize(2);
dataSource.setMinPoolSize(20);
dataSource.setMaxPoolSize(20);
dataSource.setMaxStatements(0);
dataSource.setMaxIdleTime(60);
dataSource.setCheckoutTimeout(1000);
dataSource.setIdleConnectionTestPeriod(60); 哪里有错吗