作业实例已经存在，并且对于parameter = {-spring.cloud.task.executionid = 2}已完成.如果要再次运行此作业，请更改参数 [英] A job instance already exists and is complete for parameters={-spring.cloud.task.executionid=2}. If you want to run this job again, change the parame

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本文介绍了作业实例已经存在，并且对于parameter = {-spring.cloud.task.executionid = 2}已完成.如果要再次运行此作业，请更改参数的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正在通过Spring Cloud Data Flow and Spring Batch的工作" rel ="nofollow noreferrer"> https://github.com/spring-cloud/spring-cloud-task/tree/master/spring-cloud-task-samples .

I am working on Spring Cloud Data Flow and Spring Batch by taking a reference from https://github.com/spring-cloud/spring-cloud-task/tree/master/spring-cloud-task-samples.

我正在执行批处理作业，当两次执行此示例时，第二次我观察到错误，但是第一次可以正常工作.

I'm executing the batch-job and when executed this example two times, on 2nd time I observed the error, however for the first time it worked fine.

我使用以下命令启动了spring-cloud-dataflow-server-local服务器，它为我创建了所有元数据-以黄色突出显示.

I started the spring-cloud-dataflow-server-local server using below commands and it created all metadata for me- highlighted in yellow.

错误:

exitCode=null, taskName='batch-job', startTime=Fri Apr 17 18:21:36 IST 2020, endTime=null, exitMessage='null', externalExecutionId='null', errorMessage='null', arguments=[--spring.cloud.task.executionid=3]}
2020-04-17 18:21:36.312  INFO 4988 --- [           main] com.example.BatchJobApplication          : Started BatchJobApplication in 3.661 seconds (JVM running for 4.407)
2020-04-17 18:21:36.312  INFO 4988 --- [           main] o.s.b.a.b.JobLauncherCommandLineRunner   : Running default command line with: [--spring.cloud.task.executionid=3]
2020-04-17 18:21:36.396 DEBUG 4988 --- [           main] o.s.c.t.r.support.SimpleTaskRepository   : Updating: TaskExecution with executionId=3 with the following {exitCode=1, endTime=Fri Apr 17 18:21:36 IST 2020, exitMessage='null', errorMessage='java.lang.IllegalStateException: Failed to execute CommandLineRunner
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:787)
    at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:768)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:322)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
    at com.example.BatchJobApplication.main(BatchJobApplication.java:14)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:51)
    at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52)
Caused by: org.springframework.batch.core.repository.JobInstanceAlreadyCompleteException: A job instance already exists and is complete for parameters={-spring.cloud.task.executionid=3}.  If you want to run this job again, change the parameters.
    at org.springframework.batch.core.repository.support.SimpleJobRepository.createJobExecution(SimpleJobRepository.java:131)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:366)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:118)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
    at org.springframework.batch.core.repository.support.AbstractJobRepositoryFactoryBe'}
2020-04-17 18:21:36.404  INFO 4988 --- [           main] ConditionEvaluationReportLoggingListener : 

java -jar spring-cloud-dataflow-server-local-1.7.4.RELEASE.jar

第二次执行任务时，出现以下错误.

On the second time Task Execution, I get the below error.

java.lang.IllegalStateException: Failed to execute CommandLineRunner
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:787) [spring-boot-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:768) [spring-boot-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:322) [spring-boot-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at com.example.BatchJobApplication.main(BatchJobApplication.java:14) [classes!/:0.0.1-SNAPSHOT]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_151]
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) [batch-job-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) [batch-job-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) [batch-job-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
    at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) [batch-job-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
Caused by: org.springframework.batch.core.repository.JobInstanceAlreadyCompleteException: A job instance already exists and is complete for parameters={-spring.cloud.task.executionid=2}.  If you want to run this job again, change the parameters.
    at org.springframework.batch.core.repository.support.SimpleJobRepository.createJobExecution(SimpleJobRepository.java:131) ~[spring-batch-core-4.2.1.RELEASE.jar!/:4.2.1.RELEASE]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_151]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:366) ~[spring-tx-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:118) ~[spring-tx-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.batch.core.repository.support.AbstractJobRepositoryFactoryBean$1.invoke(AbstractJobRepositoryFactoryBean.java:181) ~[spring-batch-core-4.2.1.RELEASE.jar!/:4.2.1.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at com.sun.proxy.$Proxy45.createJobExecution(Unknown Source) ~[na:na]
    at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:137) ~[spring-batch-core-4.2.1.RELEASE.jar!/:4.2.1.RELEASE]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_151]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$PassthruAdvice.invoke(SimpleBatchConfiguration.java:127) ~[spring-batch-core-4.2.1.RELEASE.jar!/:4.2.1.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
    at com.sun.proxy.$Proxy51.run(Unknown Source) ~[na:na]
    at org.springframework.boot.autoconfigure.batch.JobLauncherCommandLineRunner.execute(JobLauncherCommandLineRunner.java:192) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.autoconfigure.batch.JobLauncherCommandLineRunner.executeLocalJobs(JobLauncherCommandLineRunner.java:166) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.autoconfigure.batch.JobLauncherCommandLineRunner.launchJobFromProperties(JobLauncherCommandLineRunner.java:153) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.autoconfigure.batch.JobLauncherCommandLineRunner.run(JobLauncherCommandLineRunner.java:148) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:784) [spring-boot-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
    ... 13 common frames omitted

2020-04-17 17:35:47.076  INFO 10780 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown initiated...
2020-04-17 17:35:47.091  INFO 10780 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown completed.

BatchJobApplication.java

BatchJobApplication.java

@EnableTask
@SpringBootApplication
@EnableBatchProcessing
public class BatchJobApplication implements CommandLineRunner{
    @Autowired
    private JobLauncher jobLauncher;

    @Autowired
    private Job job;

    public static void main(String[] args) {
        SpringApplication.run(BatchJobApplication.class, args);
    }

    @Override
    public void run(String... args) throws Exception {
        JobParameters jobParameters = new JobParametersBuilder()
                .addDate("date", new Date())
                .addLong("JobId",System.currentTimeMillis())
                .addLong("time",System.currentTimeMillis()).toJobParameters();

        JobExecution execution = jobLauncher.run(job, jobParameters);
        System.out.println("STATUS :: "+execution.getStatus());
    }

}

推荐答案

要解决此问题，我在任务参数中传递了唯一的key:value，因此我继续传递了多个key:value组合，然后可以运行相同的任务很多次.

To resolved this issue, I passed the unique key:value in the Task Argument and I so keeping passing the multiple key:value combinations, then I can run the same Task many times.

但是，我想以编程方式执行此操作.有什么快速的解决方法吗?

However I wanted to do this programmatically. Any quick solution ?

@Configuration
public class JobConfiguration {

    private static final Log logger = LogFactory.getLog(JobConfiguration.class);

    @Autowired
    public JobBuilderFactory jobBuilderFactory;

    @Autowired
    public StepBuilderFactory stepBuilderFactory;

    @Bean
    public Job job1() {
        return this.jobBuilderFactory.get("job1").start(this.stepBuilderFactory.get("job1step1").tasklet(new Tasklet() {
            @Override
            public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) throws Exception {
                logger.info("Job1 was run");
                return RepeatStatus.FINISHED;
            }
        }).build()).build();
    }

    @Bean
    public Job job2() {
        return this.jobBuilderFactory.get("job2").start(this.stepBuilderFactory.get("job2step1").tasklet(new Tasklet() {
            @Override
            public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) throws Exception {
                logger.info("Job2 was run");
                return RepeatStatus.FINISHED;
            }
        }).build()).build();
    }
}

@GlennRenfro的强大帮助-在每个作业中使用.incrementer(new RunIdIncrementer()).，现在您可以多次执行同一作业.

Great Help from @GlennRenfro - Use .incrementer(new RunIdIncrementer()). in each job, now you can execute the same job multiple times.

这篇关于作业实例已经存在，并且对于parameter = {-spring.cloud.task.executionid = 2}已完成.如果要再次运行此作业，请更改参数的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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