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java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed

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            org.springframework.dao.TransientDataAccessResourceException: 
### Error updating database.  Cause: java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: UPDATE wed_trans SET status=?, st_time=DATE_FORMAT(NOW(),‘%Y%m%d%H%i%S‘) WHERE order_no=?
### Cause: java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed
; SQL []; Connection is read-only. Queries leading to data modification are not allowed; nested exception is java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed
    at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:106) ~[SQLStateSQLExceptionTranslator.class:4.0.9.RELEASE]
    at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73) ~[AbstractFallbackSQLExceptionTranslator.class:4.0.9.RELEASE]
    at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) ~[AbstractFallbackSQLExceptionTranslator.class:4.0.9.RELEASE]
    at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) ~[AbstractFallbackSQLExceptionTranslator.class:4.0.9.RELEASE]


Caused by: java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed

解决方法：事务配置在service层，但是你的service层的方法是query开头的，service调用的query方法根本就没有事务。你的配置文件下面是不是还有关于query*的配置成了read-only？修改你service方法的开头变成不是read-only的那种配置，如clear开头。（在query方法名(read_only)里面执行了update操作，所以就报错了。） 

<!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>

<!-- 声明式事物管理 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
                <tx:method name="get*" read-only="true" />
                <tx:method name="find*" read-only="true" />
                <tx:method name="load*" read-only="true" />
                <tx:method name="query*" read-only="true" />
                <tx:method name="add*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="save*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="insert*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="update*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="modify*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="delete*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="del*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="registe*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="approve*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="clear*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="set*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="reset*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <tx:method name="getUpdate*" read-only="false" rollback-for="Exception" propagation="REQUIRED"/>
                <!-- <tx:method name="*" read-only="true"/> -->
        </tx:attributes>
    </tx:advice>

 

原文：http://www.cnblogs.com/simpledev/p/4261696.html

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