SpringBoot发现最新版Druid重大问题(坑)

发现Druid问题

最近做项目，遇到大量插入的地方，经过大量的调试，最终发现是Druid连接池的问题，（以前一个大项目就遇到过Druid的坑），果断换成c3p0之后，压力测试哗哗上去了。

下面是更换c3p0方法。

1.修改pom.xml

导入c3p0依赖：

<dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.5.5</version></dependency>

2.修改application.yml

spring: application: name: nh-tst http: encoding: charset: UTF-8 enabled: true force: true datasource: driver-class-name: oracle.jdbc.driver.OracleDriver jpa: hibernate: ddl-auto: none show-sql: truec3p0: jdbcUrl: jdbc:oracle:thin:@xxxxx:1522/prodpdb1 user: xxxxxx password: xxxxxx driverClass: oracle.jdbc.driver.OracleDriver minPoolSize: 3 maxPoolSize: 30 maxIdleTime: 1800000 acquireIncrement: 120 maxStatements: 100000 initialPoolSize: 5 idleConnectionTestPeriod: 60 acquireRetryAttempts: 30 acquireRetryDelay: 10000 breakAfterAcquireFailure: false testConnectionOnCheckout: false

3.增加DataSourceConfiguration.java类

package com.nh.fk.tst.config;import javax.sql.DataSource;import org.springframework.beans.factory.annotation.Qualifier;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.boot.jdbc.DataSourceBuilder;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.context.annotation.Primary;import com.mchange.v2.c3p0.ComboPooledDataSource;@Configurationpublic class DataSourceConfiguration { // c3p0 连接池 @Bean(name = 'dataSource') @Qualifier(value = 'dataSource') @Primary @ConfigurationProperties(prefix = 'c3p0') public DataSource dataSource() { return DataSourceBuilder.create().type(ComboPooledDataSource.class).build(); }}

打包，执行：世界又恢复了和平！！

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