Method org/apache/commons/dbcp/DelegatingResultSet.isClosed()Z is abstract

按照网络上的排除建议,换成了alibaba的druid。

相关maven依赖如下,注意版本匹配问题

spring版本使用4.3.24.RELEASE

<dependency>
  <groupId>org.mybatis</groupId>
  <artifactId>mybatis</artifactId>
  <version>3.4.6</version>
</dependency>
<dependency>
  <groupId>org.mybatis</groupId>
  <artifactId>mybatis-typehandlers-jsr310</artifactId>
  <version>1.0.2</version>
</dependency>

<dependency>
  <groupId>org.mybatis</groupId>
  <artifactId>mybatis-spring</artifactId>
  <version>1.3.0</version>
</dependency>

<dependency>
  <groupId>mysql</groupId>
  <artifactId>mysql-connector-java</artifactId>
  <version>5.1.35</version>
</dependency>
 <dependency>
  <groupId>com.alibaba</groupId>
  <artifactId>druid</artifactId>
  <version>1.0.25</version>
</dependency>

spring配置文件application-context.xml

    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
    <!-- 基本属性 url、user、password -->
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>

        <!-- 配置监控统计拦截的filters -->
        <property name="filters" value="stat"/>

        <!-- 配置初始化大小、最小、最大 -->
        <property name="maxActive" value="20"/>
        <property name="initialSize" value="1"/>
        <property name="minIdle" value="1"/>

        <!-- 配置获取连接等待超时的时间 -->
        <property name="maxWait" value="60000"/>

        <!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="60000"/>

        <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="300000"/>

        <property name="testWhileIdle" value="true"/>
        <property name="testOnBorrow" value="false"/>
        <property name="testOnReturn" value="false"/>

        <!-- 打开PSCache,并且指定每个连接上PSCache的大小 -->
        <property name="poolPreparedStatements" value="true"/>
        <property name="maxOpenPreparedStatements" value="20"/>
    </bean>

mybatis-spring.xml配置文件

<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <settings>
        <!--映射下划线风格到驼峰风格-->
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    <typeHandlers>
        <typeHandler handler="org.apache.ibatis.type.InstantTypeHandler" />
        <typeHandler handler="org.apache.ibatis.type.LocalDateTimeTypeHandler" />
        <typeHandler handler="org.apache.ibatis.type.LocalDateTypeHandler" />
        <typeHandler handler="org.apache.ibatis.type.LocalTimeTypeHandler" />
        <typeHandler handler="org.apache.ibatis.type.OffsetDateTimeTypeHandler" />
        <typeHandler handler="org.apache.ibatis.type.OffsetTimeTypeHandler" />
        <typeHandler handler="org.apache.ibatis.type.ZonedDateTimeTypeHandler" />
    </typeHandlers>
</configuration>

 如果遇到以上错误可能需要配置一下mybatis-spring.xml里面的

<settings>
     <!--映射下划线风格到驼峰风格-->
     <setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>

至此问题解决

参考资料:

https://blog.csdn.net/qq_38366063/article/details/89914909

https://blog.csdn.net/lixingtao0520/article/details/76599077

https://blog.csdn.net/jay100500/article/details/84996268

原文地址:https://www.cnblogs.com/passedbylove/p/11507035.html