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我实现了 spring 云任务示例中给出的示例批处理作业示例。其中使用的 Spring Boot 版本是 2.0.1.RELEASE。因为我必须移植另一份工作，所以我必须执行云任务，我想找到兼容的最旧版本。使用 1.3.2.RELEASE 作为 spring-boot 版本创建的批处理作业的 jar 成功运行。但是，当我在将它添加为应用程序后从 Spring Cloud 数据流的 UI 运行它时，我收到以下错误：

2018-09-18 11:51:02.755  WARN 12368 --- [           main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Failed to start bean 'taskLifecycleListener'; nested exception is java.lang.IllegalArgumentException: Invalid TaskExecution, ID 1 not found
2018-09-18 11:51:02.759  INFO 12368 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans on shutdown
2018-09-18 11:51:02.763 ERROR 12368 --- [           main] o.s.c.t.listener.TaskLifecycleListener   : An event to end a task has been received for a task that has not yet started.
2018-09-18 11:51:02.767  INFO 12368 --- [           main] o.s.j.d.e.EmbeddedDatabaseFactory        : Shutting down embedded database: url='jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=false'
2018-09-18 11:51:02.781 ERROR 12368 --- [           main] o.s.boot.SpringApplication               : Application startup failed

org.springframework.context.ApplicationContextException: Failed to start bean 'taskLifecycleListener'; nested exception is java.lang.IllegalArgumentException: Invalid TaskExecution, ID 1 not found
    at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:176) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:51) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:346) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:149) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:112) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:852) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766) [spring-boot-1.3.2.RELEASE.jar!/:1.3.2.RELEASE]
    at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361) [spring-boot-1.3.2.RELEASE.jar!/:1.3.2.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-1.3.2.RELEASE.jar!/:1.3.2.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191) [spring-boot-1.3.2.RELEASE.jar!/:1.3.2.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180) [spring-boot-1.3.2.RELEASE.jar!/:1.3.2.RELEASE]
    at io.spring.BatchJobApplication.main(BatchJobApplication.java:14) [batch-job-2.0.1.BUILD-SNAPSHOT.jar!/:2.0.1.BUILD-SNAPSHOT]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_181]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_181]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:54) [batch-job-2.0.1.BUILD-SNAPSHOT.jar!/:2.0.1.BUILD-SNAPSHOT]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]
Caused by: java.lang.IllegalArgumentException: Invalid TaskExecution, ID 1 not found
    at org.springframework.util.Assert.notNull(Assert.java:115) ~[spring-core-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    at org.springframework.cloud.task.listener.TaskLifecycleListener.doTaskStart(TaskLifecycleListener.java:233) ~[spring-cloud-task-core-2.0.1.BUILD-SNAPSHOT.jar!/:2.0.1.BUILD-SNAPSHOT]
    at org.springframework.cloud.task.listener.TaskLifecycleListener.start(TaskLifecycleListener.java:355) ~[spring-cloud-task-core-2.0.1.BUILD-SNAPSHOT.jar!/:2.0.1.BUILD-SNAPSHOT]
    at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:173) ~[spring-context-4.2.4.RELEASE.jar!/:4.2.4.RELEASE]
    ... 18 common frames omitted
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1 回答 1

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它的大部分任务没有在给定的数据库中注册。因此，当我遇到此 Invalid TaskexecutionID 问题时，我将数据库凭据传递给 Dataflow 服务器，并且在启动任务时传递了相同的 [DB details ]。通常，它们都应该使用数据库凭据在接收器中。最后，所有 TASK 执行都记录在提供的 DB 中，包括 TaskID、Execution Start time、Executio Endtime 等。

任务启动 taskTimestmp2 --arguments "--spring.datasource.url=jdbc:mysql://localhost:3306/mydb --spring.datasource.username=root --spring.datasource.driver-class-name=org.mariadb .jdbc.Driver"

于 2018-12-25T23:09:20.023 回答