[转]Spring3+MyBatis3整合无法输出SQL语句问题的解决 .
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项目使用Spring3+MyBatis3整合,但是控制台就是部署出SQL语句,网上找了很多资料,都说是Log4j配置文件的问题,修改了N 边Log4j配置文件依然无效。
除了SQL 语句,其他都能显示,纠结的很
我的Log4j的配置文件如下:
- <?xml version="1.0" encoding="UTF-8"?>
- <!DOCTYPE log4j:configuration SYSTEM "http://toolkit.alibaba-inc.com/dtd/log4j/log4j.dtd">
- <log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>
- <!-- ===================================================================== -->
- <!-- 定义全局输出适配器 -->
- <!-- ===================================================================== -->
- <appender name="consoleAppender" class="org.apache.log4j.ConsoleAppender">
- <layout class="org.apache.log4j.PatternLayout">
- <param name="ConversionPattern" value="[%d{yyyy-MM-dd HH:mm:ss.SSS}]-[%c]-[%t] %x - %m%n"/>
- </layout>
- </appender>
- <!-- Mybatis and SQL -->
- <logger name="org.apache.ibatis" additivity="true">
- <level value="DEBUG"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <logger name="org.mybatis.spring" additivity="true">
- <level value="ERROR"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <logger name="java.sql" additivity="true">
- <level value="DEBUG"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <logger name="java.sql.Connection" additivity="true">
- <level value="DEBUG"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <logger name="java.sql.Statement" additivity="true">
- <level value="DEBUG"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <logger name="java.sql.PreparedStatement" additivity="true">
- <level value="DEBUG"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <!-- Spring -->
- <logger name="org.springframework" additivity="true">
- <level value="ERROR"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <!-- ActiveMQ -->
- <logger name="org.apache.activemq" additivity="true">
- <level value="ERROR"/>
- <appender-ref ref="consoleAppender"/>
- </logger>
- <!-- ===================================================================== -->
- <!-- 根日志记录器 -->
- <!-- ===================================================================== -->
- <root>
- <level value="DEBUG"/>
- <appender-ref ref="consoleAppender"/>
- </root>
- </log4j:configuration>
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE log4j:configuration SYSTEM "http://toolkit.alibaba-inc.com/dtd/log4j/log4j.dtd"><log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'> <!-- ===================================================================== --> <!-- 定义全局输出适配器 --> <!-- ===================================================================== --> <appender name="consoleAppender" class="org.apache.log4j.ConsoleAppender"> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="[%d{yyyy-MM-dd HH:mm:ss.SSS}]-[%c]-[%t] %x - %m%n"/> </layout> </appender> <!-- Mybatis and SQL --> <logger name="org.apache.ibatis" additivity="true"> <level value="DEBUG"/> <appender-ref ref="consoleAppender"/> </logger> <logger name="org.mybatis.spring" additivity="true"> <level value="ERROR"/> <appender-ref ref="consoleAppender"/> </logger> <logger name="java.sql" additivity="true"> <level value="DEBUG"/> <appender-ref ref="consoleAppender"/> </logger> <logger name="java.sql.Connection" additivity="true"> <level value="DEBUG"/> <appender-ref ref="consoleAppender"/> </logger> <logger name="java.sql.Statement" additivity="true"> <level value="DEBUG"/> <appender-ref ref="consoleAppender"/> </logger> <logger name="java.sql.PreparedStatement" additivity="true"> <level value="DEBUG"/> <appender-ref ref="consoleAppender"/> </logger> <!-- Spring --> <logger name="org.springframework" additivity="true"> <level value="ERROR"/> <appender-ref ref="consoleAppender"/> </logger> <!-- ActiveMQ --> <logger name="org.apache.activemq" additivity="true"> <level value="ERROR"/> <appender-ref ref="consoleAppender"/> </logger> <!-- ===================================================================== --> <!-- 根日志记录器 --> <!-- ===================================================================== --> <root> <level value="DEBUG"/> <appender-ref ref="consoleAppender"/> </root></log4j:configuration>
最后,仔细查看启动时的输入发现了如下的错误提示:
log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
log4j:WARN Please initialize the log4j system properly.
于是,我想是不是这个地方出问题了呢,赶紧上网搜索解决这个问题的资料。网上找到一个解释:
地址:http://lveyo.iteye.com/blog/418376
这个提示应该是读入web应用程序的log4j.properties文件之前就报出来了。是在加载org.springframework.web.context.ContextLoader这个listener的时候没找到log4j的配置文件造成的。
仔细查看web.xml发现在加载org.springframework.web.context.ContextLoader这个listener之后才加载org.springframework.web.util.Log4jConfigListener,把log4j的配置放到org.springframework.web.context.ContextLoader之前,就可以解决这个问题了。
于是,我在web.xml配置文件中加入Log4j的配置,部分配置文件如下:
- <!--Log4j配置-->
- <context-param>
- <param-name>log4jConfigLocation</param-name>
- <param-value>/WEB-INF/log4j.xml</param-value>
- </context-param>
- <context-param>
- <param-name>log4jRefreshInterval</param-name>
- <param-value>60000</param-value>
- </context-param>
- <listener>
- <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
- </listener>
- <!-- 扫描spring配置文件 -->
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:spring/application-*.xml</param-value>
- </context-param>
- <!-- 监听器 -->
- <listener>
- <listener-class>com.hanvon.iface.web.listener.WebAppEventListener</listener-class>
- </listener>
- .......
<!--Log4j配置--> <context-param> <param-name>log4jConfigLocation</param-name> <param-value>/WEB-INF/log4j.xml</param-value> </context-param> <context-param> <param-name>log4jRefreshInterval</param-name> <param-value>60000</param-value> </context-param> <listener> <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class> </listener> <!-- 扫描spring配置文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/application-*.xml</param-value> </context-param> <!-- 监听器 --> <listener> <listener-class>com.hanvon.iface.web.listener.WebAppEventListener</listener-class> </listener>.......
增加了上面的Log4j配置部分后,结果真的可以打印SQL 语句了,太高兴了!!!
我觉得,起作用的主要是下面的配置内容,这个配置正确设置了Log4j:
- <context-param>
- <param-name>log4jConfigLocation</param-name>
- <param-value>/WEB-INF/log4j.xml</param-value>
- </context-param>
- <context-param>
- <param-name>log4jRefreshInterval</param-name>
- <param-value>60000</param-value>
- </context-param>
- <listener>
- <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
- </listener>
<context-param> <param-name>log4jConfigLocation</param-name> <param-value>/WEB-INF/log4j.xml</param-value> </context-param> <context-param> <param-name>log4jRefreshInterval</param-name> <param-value>60000</param-value> </context-param> <listener> <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class> </listener>
部分SQL语句输出如下:
- [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Executing: SELECT COUNT(DISTINCT dev.ng_id) FROM dev_device dev WHERE dev.nt_state=?
- [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Executing: SELECT COUNT(DISTINCT dev.ng_id) FROM dev_device dev WHERE dev.nt_state=?
- [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-1] - ==> Parameters:
- [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-1] - ==> Parameters:
- [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Executing: SELECT COUNT(DISTINCT dev.ng_id) FROM dev_device dev WHERE dev.nt_state=?
- [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-1] - ==> Parameters:
- [2013-06-06 21:07:35.041]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Parameters: 1(Integer)
- [2013-06-06 21:07:35.041]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Parameters: 1(Integer)
- [2013-06-06 21:07:35.041]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Parameters: 1(Integer)
- [2013-06-06 21:07:35.079]-[java.sql.ResultSet]-[http-8080-2] - <== Columns: COUNT(DISTINCT dev.ng_id)
- [2013-06-06 21:07:35.079]-[java.sql.ResultSet]-[http-8080-2] - <== Columns: COUNT(DISTINCT dev.ng_id)
- [2013-06-06 21:07:35.087]-[java.sql.ResultSet]-[http-8080-2] - <== Row: 11
- [2013-06-06 21:07:35.087]-[java.sql.ResultSet]-[http-8080-2] - <== Row: 11
[2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Executing: SELECT COUNT(DISTINCT dev.ng_id) FROM dev_device dev WHERE dev.nt_state=? [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Executing: SELECT COUNT(DISTINCT dev.ng_id) FROM dev_device dev WHERE dev.nt_state=? [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-1] - ==> Parameters: [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-1] - ==> Parameters: [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Executing: SELECT COUNT(DISTINCT dev.ng_id) FROM dev_device dev WHERE dev.nt_state=? [2013-06-06 21:07:35.040]-[java.sql.PreparedStatement]-[http-8080-1] - ==> Parameters: [2013-06-06 21:07:35.041]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Parameters: 1(Integer)[2013-06-06 21:07:35.041]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Parameters: 1(Integer)[2013-06-06 21:07:35.041]-[java.sql.PreparedStatement]-[http-8080-2] - ==> Parameters: 1(Integer)[2013-06-06 21:07:35.079]-[java.sql.ResultSet]-[http-8080-2] - <== Columns: COUNT(DISTINCT dev.ng_id)[2013-06-06 21:07:35.079]-[java.sql.ResultSet]-[http-8080-2] - <== Columns: COUNT(DISTINCT dev.ng_id)[2013-06-06 21:07:35.087]-[java.sql.ResultSet]-[http-8080-2] - <== Row: 11[2013-06-06 21:07:35.087]-[java.sql.ResultSet]-[http-8080-2] - <== Row: 11希望我的经验能够帮助到大家!
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