数据库连接池出现问题

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run on server 出现以下报错org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()Ljava/****（*表示的是多种类型的错误，例如：/lang/Integer，/sql/Connection等等）

此时可先采用下面的方法：

在MAVEN项目里面，在整合spring和mybatis在执行数据库操作的时候报出了：

java.lang.AbstractMethodError: org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()L错误

在网上搜的大多说是jar包版本不兼容的问题。但想想，不应该啊，这是他们原有的系统，难道有做过升级吗，最后尝试着把版本升级了下，还真是版本兼容出了问题。

 1 Exception in thread "main" java.lang.AbstractMethodError: org.mybatis.spring.transaction.SpringManagedTransaction.getTimeout()Ljava/lang/Integer; 2 at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85) 3 at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62) 4 at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325) 5 at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) 6 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) 7 at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) 8 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) 9 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)10 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:77)11 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)12 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)13 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)14 at java.lang.reflect.Method.invoke(Unknown Source)15 at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:358)16 at com.sun.proxy.$Proxy8.selectOne(Unknown Source)

更正后的依赖关系为：

<properties>    <springframework.version>3.2.9.RELEASE</springframework.version>    <mybatis-spring.version>1.3.0</mybatis-spring.version>    <mybatis.version>3.3.0</mybatis.version>    <mysql-connector-java.version>5.1.37</mysql-connector-java.version></properties><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-aop</artifactId>    <version>${springframework.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-beans</artifactId>    <version>${springframework.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-context</artifactId>    <version>${springframework.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-context-support</artifactId>    <version>${springframework.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-web</artifactId>    <version>${springframework.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-webmvc</artifactId>    <version>${springframework.version}</version></dependency><dependency>    <groupId>org.mybatis</groupId>    <artifactId>mybatis-spring</artifactId>    <version>${mybatis-spring.version}</version></dependency>

大致导致这个问题的原意就是版本的问题, 将上面的mybatis-spring版本改为1.3.0即可.具体细节还有待去发现，

可参考http://www.mybatis.org/spring/zh/

以上解决方法转载自：http://www.cnblogs.com/molao-doing/p/6056380.html （文章作者:molao）

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