Eagerly caching bean '' to allow for resolving potential circular references

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tomcat启动时卡在：

一般这样的问题是两个原因：

1. 数据库连接不上；

2. mapper.xml 中有错误，比如单词拼写错误；

这个问题不是，采取的方法是把项目的日志级别调整为debug模式，查看详细打印信息：

DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Ignoring bean creation exception on FactoryBean type check: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean
with name 'crashMetaLogDAO' defined in URL [jar:file:/D:/dev_software/workplace/gitWorkplace/appupgrade/app-upgrade-admin/target/app-upgrade-admin/WEB-INF/lib/app-upgrade-module-1.0-SNAPSHOT.jar!
/com/bbkmobile/iqoo/appupgrade/statistic/crashdata/dao/CrashMetaLogDAO.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory': :
No qualifying bean of type [org.apache.ibatis.session.SqlSessionFactory] is defined: expected single matching bean but found 2: sqlSessionFactory,statisticSqlSessionFactory;
nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type [org.apache.ibatis.session.SqlSessionFactory] is defined:
expected single matching bean but found 2: sqlSessionFactory,statisticSqlSessionFactory
DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'sqlSessionFactory'
DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'statisticSqlSessionFactory'
DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Ignoring bean creation exception on FactoryBean type check: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean
with name 'userDAO' defined in URL [jar:file:/D:/dev_software/workplace/gitWorkplace/appupgrade/app-upgrade-admin/target/app-upgrade-admin/WEB-INF/lib/app-upgrade-core-1.0-SNAPSHOT.jar!
/com/bbkmobile/iqoo/appupgrade/core/user/dao/UserDAO.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory': :
No qualifying bean of type [org.apache.ibatis.session.SqlSessionFactory] is defined: expected single matching bean but found 2: sqlSessionFactory,statisticSqlSessionFactory;
nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type [org.apache.ibatis.session.SqlSessionFactory] is defined:
expected single matching bean but found 2: sqlSessionFactory,statisticSqlSessionFactory
DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'crashMetaLogDAO'
DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Creating instance of bean 'crashMetaLogDAO'
DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'crashMetaLogDAO' to allow for resolving potential circular references
2017-02-12 20:48:54.040 DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'userDAO'
2017-02-12 20:48:54.040 DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Creating instance of bean 'userDAO'
2017-02-12 20:48:54.040 DEBUG o.s.b.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'userDAO' to allow for resolving potential circular references

statistic-spring-mybatis.xml

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">    <property name="basePackage"              value="xxx.xxx.xxx.statistic.*.dao"/></bean>

spring-mybatis.xml

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">    <property name="basePackage"              value="xxx.xxx.xxx.x.core.*.dao"/></bean>

两个spring-mybatis.xml 的MapperScannerConfiguer中都没有指定sqlSessionFactory。

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