我已经在下面配置了Spring Batch应用程序:
<batch:job id="midrPortRiskJob">
<batch:step id="midrPortRiskStep">
<tasklet throttle-limit="10">
<chunk reader="MIDRPortRiskReader" processor="MIDRPortRiskProcessor" writer="MIDRPortRiskWriter" commit-interval="10"
skip-limit="1">
<batch:skippable-exception-classes>
<include class="com.trp.erd.common.exception.ERDException"/>
</batch:skippable-exception-classes>
</chunk>
<batch:no-rollback-exception-classes>
<include class="com.trp.erd.common.exception.ERDException"/>
</batch:no-rollback-exception-classes>
</tasklet>
</batch:step>
<batch:listeners>
<batch:listener ref="MIDRJobExecutionListener"/>
</batch:listeners>
</batch:job>
在我的作家中,我有一个for循环,可将记录插入数据库中。代码如下:
for (String id : keylist) {
try {
insertRecord(id);
} catch (Exception e) {
throw new ERDException("Failure in write method", e);
}
}
我想要的是,例如,第一条记录抛出DuplicateKeyException
,从而跳过该记录,并插入下一条记录。发生的情况是,抛出ERDException
时,Spring Batch重试所有记录,包括重复记录。我希望它丢弃该特定记录并插入其他记录。有没有办法做到这一点?
答案 0 :(得分:0)
好吧,因为您的异常是在commit-interval为10的writer中引发的,所以它再次重试所有10条记录,因为它需要确定哪个记录引发了异常。一旦确定了记录,它将跳过该记录并处理其他记录。
请参阅this帖子。
答案 1 :(得分:0)
对于有兴趣的人,我将<div class="form-group" id="email-sender-div">
<div><label for="email-recipients">Email Sender</label></div>
<input type="text" class="form-control autocomplete" value="" id="email-sender">
</div>
<div class="form-group" id="email-recipients-div">
<div><label for="email-recipients">Email Recipients</label></div>
<input type="text" class="form-control autocomplete" value="">
</div>
与no-rollback-exception-classes
结合起来解决了我的问题!我可能在定义自己的跳过策略时花了一些力气-一种现成的Spring策略就可以了。见下文:
skip-policy
以及跳过策略的实现:
<bean id="skipPolicy" class="com.trp.erd.batch.ERDSkipPolicy">
<batch:job id="midrPortRiskJob">
<batch:step id="midrPortRiskStep">
<tasklet throttle-limit="10">
<chunk reader="MIDRPortRiskReader" processor="MIDRPortRiskProcessor" writer="MIDRPortRiskWriter" commit-interval="10"
skip-limit="1" skip-policy="skipPolicy">
<batch:skippable-exception-classes>
<include class="com.trp.erd.common.exception.ERDException"/>
</batch:skippable-exception-classes>
</chunk>
<batch:no-rollback-exception-classes>
<include class="com.trp.erd.common.exception.ERDException"/>
</batch:no-rollback-exception-classes>
</tasklet>
</batch:step>
<batch:listeners>
<batch:listener ref="MIDRJobExecutionListener"/>
</batch:listeners>
</batch:job>