Spring Batch - Retry

참고 사이트 : http://www.egovframe.org/wiki/doku.php?id=egovframework:rte2:brte:batch_core:skip_repeat_retry

Dead lock에 대한 retry 관련 

<bean id="batchRetryPolicy" class="org.springframework.batch.retry.policy.ExceptionClassifierRetryPolicy">

<property name="policyMap"> 

<map>

<entry key="org.springframework.dao.DataAccessResourceFailureException">

<bean class="org.springframework.batch.retry.policy.SimpleRetryPolicy">

<property name="maxAttempts" value="20" /> 

</bean>

</entry>

<entry key="org.springframework.dao.DeadlockLoserDataAccessException">

<bean class="org.springframework.batch.retry.policy.SimpleRetryPolicy">

<property name="maxAttempts" value="20" />

</bean>

</entry>

</map>

</property>

  </bean>

  <bean id="batchRetryTemplate" class="org.springframework.batch.retry.support.RetryTemplate">

    <property name="retryPolicy" ref="batchRetryPolicy"></property>      

    <property name="backOffPolicy" >

    <bean class="org.springframework.batch.retry.backoff.FixedBackOffPolicy">

        <property name="backOffPeriod" value="8000" />

    </bean>

    </property>    

    </bean>    

    <bean id="batchRetryAdvice" class="org.springframework.batch.retry.interceptor.RetryOperationsInterceptor">

    <property name="retryOperations" ref="batchRetryTemplate"></property>

    </bean>

    <aop:config>                  

<aop:pointcut id="launching" expression="execution(* org.springframework.batch.item.support.CompositeItemWriter.write(..))"/>

   <aop:advisor pointcut-ref="launching" advice-ref="batchRetryAdvice" order="-1"/>

    </aop:config>

1. retry를 수행할 Exception 지정

2. backOffPolicy는 wait를 지정 할 수 있음..

3. aop를 CompositeItemWriter.write에 반영 (composite이라 ... retry범위가 애매해서 지정함)