如何为job.xml文件中的块配置Spring Batch RetryPolicy
我的配置与下面相同。但是如果要获取异常(请参见下文),请提供帮助。 这样做的目的是在出现故障时实现重启步骤 ======================================== retryPolicyJob.xml如何为job.xml文件中的块配置Spring Batch RetryPolicy,spring,spring-batch,restart,Spring,Spring Batch,Restart,我的配置与下面相同。但是如果要获取异常(请参见下文),请提供帮助。 这样做的目的是在出现故障时实现重启步骤 ======================================== retryPolicyJob.xml <batch:job id="retryPolicyJob" job-repository="jobRepository"> <batch:step id="retryPolicyStep"> <batch:taskl
<batch:job id="retryPolicyJob" job-repository="jobRepository">
<batch:step id="retryPolicyStep">
<batch:tasklet>
<batch:chunk reader="ConnectionRetryReader" writer="CustomItemWriter" commit-interval="100"
retry-policy="retryPolicy" />
</batch:tasklet>
</batch:step>
</batch:job>
<bean id="ConnectionRetryReader" class="spring.batch.examples.retry.ConnectionRetryReader"/>
<bean id="CustomItemWriter" class="spring.batch.examples.retry.CustomItemWriter"/>
<bean id="retryPolicy"
class="org.springframework.batch.retry.policy.ExceptionClassifierRetryPolicy">
<property name="policyMap">
<map>
<entry key="org.springframework.dao.ConcurrencyFailureException">
<bean class="org.springframework.batch.retry.policy.SimpleRetryPolicy">
<property name="maxAttempts" value="2" />
</bean>
</entry>
<entry key="org.springframework.dao.DeadlockLoserDataAccessException">
<bean class="org.springframework.batch.retry.policy.SimpleRetryPolicy">
<property name="maxAttempts" value="3" />
</bean>
</entry>
</map>
</property>
</bean>
=============================================
读卡器类代码:
public class ConnectionRetryReader<T> implements ItemReader<T>, ItemStream {
private int retryCount = 0;
private T t;
int currentIndex = 0;
private static final String CURRENT_INDEX = "current.index";
public T read() throws Exception, UnexpectedInputException, ParseException,
NonTransientResourceException, ConnectionFailureException,
ResourceNotAvailableException {
retryCount++;
System.out.println("In Retry " + retryCount);
if (retryCount == 2) {
System.out.println("throwing ConcurrencyFailureException");
throw new org.springframework.dao.ConcurrencyFailureException(
"ConcurrencyFailureException thrown", new Exception());
}
System.out.println("throwing DeadlockLoserDataAccessException");
throw new org.springframework.dao.DeadlockLoserDataAccessException(
"DeadlockLoserDataAccessException thrown", new Exception());
}
public void open(ExecutionContext executionContext)
throws ItemStreamException {
if (executionContext.containsKey(CURRENT_INDEX)) {
currentIndex = new Long(executionContext.getLong(CURRENT_INDEX))
.intValue();
} else {
currentIndex = 0;
}
}
public void update(ExecutionContext executionContext)
throws ItemStreamException {
executionContext.putLong(CURRENT_INDEX,
new Long(currentIndex).longValue());
}
public void close() throws ItemStreamException {
// TODO Auto-generated method stub
}
}
公共类ConnectionRetryReader实现ItemReader、ItemStream{
private int retryCount=0;
私人T;
int currentIndex=0;
私有静态最终字符串CURRENT\u INDEX=“CURRENT.INDEX”;
public T read()引发异常、UnexpectedInputException、ParseException、,
非TransientResourceException、ConnectionFailureException、,
ResourceNotAvailableException{
retryCount++;
System.out.println(“In Retry”+retryCount);
如果(retryCount==2){
System.out.println(“抛出并发失败异常”);
抛出新的org.springframework.dao.ConcurrencyFailureException(
“ConcurrencyFailureException抛出”,新异常());
}
System.out.println(“抛出死锁关闭DataAccessException”);
抛出新的org.springframework.dao.deadlocklesserDataAccessException(
“DeadlockLoserDataAccessException抛出”,新异常());
}
公开作废打开(ExecutionContext ExecutionContext)
抛出项流异常{
if(executionContext.containsKey(当前索引)){
currentIndex=new Long(executionContext.getLong(当前索引))
.intValue();
}否则{
currentIndex=0;
}
}
公共无效更新(ExecutionContext ExecutionContext)
抛出项流异常{
executionContext.putLong(当前索引,
新的Long(currentIndex.longValue());
}
public void close()引发ItemStreamException{
//TODO自动生成的方法存根
}
}
====================================================
异常消息:
17:22:40,140 INFO main SimpleJobLauncher:179 - No TaskExecutor has been set, defaulting to synchronous executor.
17:22:40,546 INFO main SimpleJobLauncher:118 - Job: [FlowJob: [name=retryPolicyJob]] launched with the following parameters: [{}]
17:22:40,577 INFO main SimpleStepHandler:133 - Executing step: [retryPolicyStep]
In Retry 1
throwing DeadlockLoserDataAccessException
17:22:40,640 ERROR main AbstractStep:212 - Encountered an error executing the step
org.springframework.batch.core.step.skip.NonSkippableReadException: Non-skippable exception during read
at org.springframework.batch.core.step.item.FaultTolerantChunkProvider.read(FaultTolerantChunkProvider.java:104)
at org.springframework.batch.core.step.item.SimpleChunkProvider$1.doInIteration(SimpleChunkProvider.java:108)
at org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:367)
at org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:214)
at org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:143)
at org.springframework.batch.core.step.item.SimpleChunkProvider.provide(SimpleChunkProvider.java:103)
at org.springframework.batch.core.step.item.ChunkOrientedTasklet.execute(ChunkOrientedTasklet.java:68)
at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:386)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
at org.springframework.batch.core.step.tasklet.TaskletStep$2.doInChunkContext(TaskletStep.java:264)
at org.springframework.batch.core.scope.context.StepContextRepeatCallback.doInIteration(StepContextRepeatCallback.java:76)
at org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:367)
at org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:214)
at org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:143)
at org.springframework.batch.core.step.tasklet.TaskletStep.doExecute(TaskletStep.java:250)
at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:195)
at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:135)
at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:61)
at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:60)
at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:144)
at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:124)
at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:135)
at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:281)
at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:120)
at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:48)
at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:114)
at org.springframework.batch.core.launch.support.CommandLineJobRunner.start(CommandLineJobRunner.java:349)
at org.springframework.batch.core.launch.support.CommandLineJobRunner.main(CommandLineJobRunner.java:574)
at spring.batch.examples.retry.RetryTestCommandLine.main(RetryTestCommandLine.java:9)
Caused by: org.springframework.dao.DeadlockLoserDataAccessException: DeadlockLoserDataAccessException thrown; nested exception is java.lang.Exception
at spring.batch.examples.retry.ConnectionRetryReader.read(ConnectionRetryReader.java:30)
at org.springframework.batch.core.step.item.SimpleChunkProvider.doRead(SimpleChunkProvider.java:90)
at org.springframework.batch.core.step.item.FaultTolerantChunkProvider.read(FaultTolerantChunkProvider.java:87)
... 28 more
Caused by: java.lang.Exception
at spring.batch.examples.retry.ConnectionRetryReader.read(ConnectionRetryReader.java:31)
... 30 more
17:22:40,655 INFO main SimpleJobLauncher:121 - Job: [FlowJob: [name=retryPolicyJob]] completed with the following parameters: [{}] and the following status: [FAILED]
17:22:40140信息主SimpleZoblancher:179-未设置TaskExecutor,默认为synchronous executor。
17:22:40546信息主SimpleJobLauncher:118-作业:[FlowJob:[name=retryPolicyJob]]使用以下参数启动:[{}]
17:22:40577信息主SimpleSphandler:133-执行步骤:[retryPolicyStep]
在重试1中
正在引发DeadlockLoserDataAccessException
17:22:40640错误main AbstractStep:212-执行该步骤时遇到错误
org.springframework.batch.core.step.skip.NonSkippableReadException:读取期间不可跳过的异常
位于org.springframework.batch.core.step.item.FaultTolerantChunkProvider.read(FaultTolerantChunkProvider.java:104)
位于org.springframework.batch.core.step.item.SimpleChunkProvider$1.doInitation(SimpleChunkProvider.java:108)
位于org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:367)
位于org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:214)
位于org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:143)
位于org.springframework.batch.core.step.item.SimpleChunkProvider.provide(SimpleChunkProvider.java:103)
位于org.springframework.batch.core.step.item.ChunkOrientedTasklet.execute(ChunkOrientedTasklet.java:68)
位于org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:386)
位于org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
位于org.springframework.batch.core.step.tasklet.TaskletStep$2.doInChunkContext(TaskletStep.java:264)
位于org.springframework.batch.core.scope.context.StepContextRepeatCallback.doInitation(StepContextRepeatCallback.java:76)
位于org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:367)
位于org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:214)
位于org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:143)
位于org.springframework.batch.core.step.tasklet.TaskletStep.doExecute(TaskletStep.java:250)
位于org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:195)
位于org.springframework.batch.core.job.simplestphandler.handleStep(simplestphandler.java:135)
位于org.springframework.batch.core.job.flow.JobFlowExecutor.ExecuteTEP(JobFlowExecutor.java:61)
位于org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:60)
位于org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:144)
位于org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:124)
位于org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:135)
位于org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:281)
位于org.springframework.batch.core.launch.support.simplejoblancher$1.run(simplejoblancher.java:120)
位于org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:48)
位于org.springframework.batch.core.launch.support.simplejoblancher.run(simplejoblancher.java:114)
位于org.springframework.batch.core.launch.support.CommandLineJobRunner.start(CommandLineJobRunner.java:349)
位于org.springframework.batch.core.launch.support.CommandLineJobRunner.main(CommandLineJobRunner.java:574)
在spring.batch.examples.retry.RetryTestCommandLine.main(RetryTestCommandLine.java:9)中
原因:org.springframework.dao.deadlocklesserDataAccessException:引发了deadlocklesserDataAccessException;嵌套的异常是java.lang.Excep