重复的事务标识，求解决方案，框架：springMVC+mybatis，数据库oracle

项目总是隔两天报一次错误：重复的事物标识，报错的sql总是涉及到 使用 db_link的sql语句，重启项目后就好了，求高手解答！！！
报错内容如下：

 HTTP Status 500 - Request processing failed; nested exception is org.springframework.jdbc.UncategorizedSQLException:

type Exception report

message Request processing failed; nested exception is org.springframework.jdbc.UncategorizedSQLException:

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.jdbc.UncategorizedSQLException: 
### Error querying database.  Cause: java.sql.SQLException: ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)

### The error may exist in file [C:\tomcat\apache-tomcat-7.0.70\webapps\webApi\WEB-INF\classes\com\petrochina\mapping\StaypxsjhMapper.xml]
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: SELECT nvl(sum(A.XSL/A.ZB),0)         FROM         (SELECT nvl(sum(QY_PFWCL+ QY_LSWCL+CY_PFWCL+ CY_LSWCL),0) as XSL,MZXNJG,         (select AREA_SCZB FROM BASE_PROVINCIAL_AREA@xbzhpdb WHERE AREA_SQBM = MZXNJG) as ZB         FROM STA_YPXSJH_WC         WHERE to_char(CALDAY,'yyyy-mm-dd') BETWEEN ? and ?         GROUP BY MZXNJG) A         WHERE A.ZB is not null
### Cause: java.sql.SQLException: ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)

; uncategorized SQLException for SQL []; SQL state [99999]; error code [24757]; ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)
; nested exception is java.sql.SQLException: ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)

    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:973)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
root cause

org.springframework.jdbc.UncategorizedSQLException: 
### Error querying database.  Cause: java.sql.SQLException: ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)

### The error may exist in file [C:\tomcat\apache-tomcat-7.0.70\webapps\webApi\WEB-INF\classes\com\petrochina\mapping\StaypxsjhMapper.xml]
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: SELECT nvl(sum(A.XSL/A.ZB),0)         FROM         (SELECT nvl(sum(QY_PFWCL+ QY_LSWCL+CY_PFWCL+ CY_LSWCL),0) as XSL,MZXNJG,         (select AREA_SCZB FROM BASE_PROVINCIAL_AREA@xbzhpdb WHERE AREA_SQBM = MZXNJG) as ZB         FROM STA_YPXSJH_WC         WHERE to_char(CALDAY,'yyyy-mm-dd') BETWEEN ? and ?         GROUP BY MZXNJG) A         WHERE A.ZB is not null
### Cause: java.sql.SQLException: ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)

; uncategorized SQLException for SQL []; SQL state [99999]; error code [24757]; ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)
; nested exception is java.sql.SQLException: ORA-24757: 重复的事务处理标识
ORA-02063: 紧接着 line (起自 XBZHPDB)

    org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:84)
    org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81)
    org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81)
    org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)
    org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:371)
    com.sun.proxy.$Proxy13.selectOne(Unknown Source)
    org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:163)
    org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)
    org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
    com.sun.proxy.$Proxy30.queryShengTotalZhanBi(Unknown Source)
    com.petrochina.service.impl.staypxsjhServiceImpl.XBWL_scgk(staypxsjhServiceImpl.java:383)
    com.petrochina.controller.HomeController.XBWL_scgk(HomeController.java:1041)
    sun.reflect.GeneratedMethodAccessor146.invoke(Unknown Source)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
    org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
    org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
    org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
    org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690)
    org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.70 logs.

Apache Tomcat/7.0.70

<!-- ==============================第3个数据库=============================================== -->
<bean id="dataSource3" class="org.apache.commons.dbcp.BasicDataSource"
      destroy-method="close">
    <property name="driverClassName" value="${jdbc.driverClassName3}" />
    <property name="url" value="${jdbc.url3}" />
    <property name="username" value="${jdbc.username3}" />
    <property name="password" value="${jdbc.password3}" />
    <!-- 初始化连接大小 -->
    <property name="initialSize" value="${initialSize}"></property>
    <!-- 连接池最大数量 -->
    <property name="maxActive" value="${maxActive}"></property>
    <!-- 连接池最大空闲 -->
    <property name="maxIdle" value="${maxIdle}"></property>
    <!-- 连接池最小空闲 -->
    <property name="minIdle" value="${minIdle}"></property>
    <!-- 获取连接最大等待时间 -->
    <property name="maxWait" value="${maxWait}"></property>
</bean>

<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory3" class="org.mybatis.spring.SqlSessionFactoryBean">
    <property name="dataSource" ref="dataSource3" />
    <!-- 自动扫描mapping.xml文件 -->
    <property name="mapperLocations" value="classpath:com/petrochina/mapping3/*.xml"></property>
</bean>

<!-- DAO接口所在包名，Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <property name="basePackage" value="com.petrochina.dao3" />
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory3"></property>
</bean>

<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager3"
      class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource3" />
</bean>

我觉得是你的配置文件有问题 ，数据源的配置和事物的配置

Request processing failed; nested exception is org.springframework.jdbc.UncategorizedSQLException 说明你的应用已经经常跟DB断开，一般我们的链接是有连接池，不会说0个链接

是dblink卡住了或者异常提交导致回话异常，通知远端数据库管理员kill掉所有与我们主机通信的进程后，查看应用正常。

处理方法，此时应该是dblink卡住了，如果找到相应的进程 杀掉进程即可。
dblink连接的时候注意需要commit正常结束进程。