试图调用@beforestep中定义的方法时发生illegalargumentexception

mjqavswn  于 2021-07-24  发布在  Java
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我在写作课上有一个方法 @BeforeStep 注解以从 ExecutionContext 具体如下:

@BeforeStep
public void beforeStep(StepExecution stepExecution) {
    JobExecution jobExecution = stepExecution.getJobExecution();
    ExecutionContext jobContext = jobExecution.getExecutionContext();
    this.totalPolicyCount = (int) jobContext.get("TotalEmployeeCount");
}

几个月前,它还可以正常工作,但现在抛出了以下例外:
java.lang.illegalargumentexception:无法对对象[com..yyy.writer]调用方法[public void com..yyy.writer.outputwriter.beforstep(org.springframework.batch.core.stepexecution)]。outputwriter@3cbcd8f3]参数:stepexecution:id=4,version=1,name=step4,status=started,exitstatus=executing,readcount=0,filtercount=0,writecount=0 readskipcount=0,writeskipcount=0,processskipcount=0,commitcount=0,rollbackcount=0,exitdescription=位于org.springframework.batch.support.simplemethodinvoker.invokemethod(simplemethodinvoker)。java:110)
有人能告诉我这里出了什么问题吗?

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