org.springframework.beans.factory.unsatifiedDependencyException:创建名为'；scopedTarget.slaveWriter'；在类路径资源中定义

我使用的是SpringBoot批处理示例。在本例中，我使用PartitionedRange

在执行批处理作业时，我得到以下错误。Spring Boot版本2.0.3.0已发布。如果需要其他的，请告诉我

不确定这是为什么造成这些问题

这里出现的错误

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'scopedTarget.slaveWriter' defined in class path resource [com/prateek/job/PaymentsPartitionerJob.class]: Unsatisfied dependency expressed through method 'slaveWriter' parameter 1; nested exception is org.springframework.beans.factory.BeanExpressionException: Expression parsing failed; nested exception is org.springframework.expression.spel.SpelEvaluationException: EL1021E: A problem occurred whilst attempting to access the property 'stepExecutioUsertext': 'Invalid property 'stepExecutioUsertext' of bean class [org.springframework.batch.core.scope.context.StepContext]: Bean property 'stepExecutioUsertext' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?'
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:729) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:470) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1254) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1103) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:541) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$1(AbstractBeanFactory.java:353) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.batch.core.scope.StepScope.get(StepScope.java:113) ~[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:350) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.target.SimpleBeanTargetSource.getTarget(SimpleBeanTargetSource.java:35) ~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:672) ~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.batch.item.file.FlatFileItemWriter$$EnhancerBySpringCGLIB$$c7405dad.open(<generated>) ~[spring-batch-infrastructure-4.0.1.RELEASE.jar:4.0.1.RELEASE]
    at org.springframework.batch.item.support.CompositeItemStream.open(CompositeItemStream.java:103) ~[spring-batch-infrastructure-4.0.1.RELEASE.jar:4.0.1.RELEASE]
    at org.springframework.batch.core.step.tasklet.TaskletStep.open(TaskletStep.java:310) ~[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
    at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:197) ~[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
    at org.springframework.batch.core.partition.support.TaskExecutorPartitionHandler$1.call(TaskExecutorPartitionHandler.java:139) [spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
    at org.springframework.batch.core.partition.support.TaskExecutorPartitionHandler$1.call(TaskExecutorPartitionHandler.java:136) [spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_171]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_171]
Caused by: org.springframework.beans.factory.BeanExpressionException: Expression parsing failed; nested exception is org.springframework.expression.spel.SpelEvaluationException: EL1021E: A problem occurred whilst attempting to access the property 'stepExecutioUsertext': 'Invalid property 'stepExecutioUsertext' of bean class [org.springframework.batch.core.scope.context.StepContext]: Bean property 'stepExecutioUsertext' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?'
    at org.springframework.context.expression.StandardBeanExpressionResolver.evaluate(StandardBeanExpressionResolver.java:164) ~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.evaluateBeanDefinitionString(AbstractBeanFactory.java:1452) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1088) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1065) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:815) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:721) ~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    ... 19 common frames omitted
Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1021E: A problem occurred whilst attempting to access the property 'stepExecutioUsertext': 'Invalid property 'stepExecutioUsertext' of bean class [org.springframework.batch.core.scope.context.StepContext]: Bean property 'stepExecutioUsertext' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?'
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:209) ~[spring-expression-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:104) ~[spring-expression-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:91) ~[spring-expression-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:52) ~[spring-expression-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:88) ~[spring-expression-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:111) ~[spring-expression-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:270) ~[spring-expression-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.context.expression.StandardBeanExpressionResolver.evaluate(StandardBeanExpressionResolver.java:161) ~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    ... 24 common frames omitted

org.springframework.beans.factory.unsatifiedDependencyException:创建名为“scopedTarget.slaveWriter”的bean时出错，该bean在类路径资源[com/pratek/job/PaymentsPartitionerJob.class]中定义：通过方法“slaveWriter”参数1表示的未满足的依赖关系；嵌套异常为org.springframework.beans.factory.BeanExpressionException:表达式解析失败；嵌套异常为org.springframework.expression.spel.SpelEvaluationException:EL1021E:尝试访问bean类[org.springframework.batch.core.scope.context.StepContext]的属性“StepExecutionerText”时出现问题：“无效属性”StepExecutionerText]：Bean属性“StepExecutionUserText”不可读或具有无效的getter方法：getter的返回类型是否与setter的参数类型匹配
在org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray（ConstructorResolver.java:729）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.ConstructorResolver.InstanceUsingFactoryMethod（ConstructorResolver.java:470）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.InstanceUsingFactoryMethod（AbstractAutowireCapableBeanFactory.java:1254）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance（AbstractAutowireCapableBeanFactory.java:1103）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:541）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:501）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$1（AbstractBeanFactory.java:353）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.batch.core.scope.StepScope.get（StepScope.java:113）~[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:350）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:199）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.aop.target.SimpleBanTargetSource.getTarget（SimpleBanTargetSource.java:35）~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept（CglibAopProxy.java:672）~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.batch.item.file.FlatFileItemWriter$$EnhancerBySpringCGLIB$$c7405dad.open（）~[spring-batch-infrastructure-4.0.1.RELEASE.jar:4.0.1.RELEASE]
在org.springframework.batch.item.support.CompositeItemStream.open（CompositeItemStream.java:103）~[spring-batch-infrastructure-4.0.1.RELEASE.jar:4.0.1.RELEASE]
在org.springframework.batch.core.step.tasklet.TaskletStep.open（TaskletStep.java:310）~[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
在org.springframework.batch.core.step.AbstractStep.execute（AbstractStep.java:197）~[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
位于org.springframework.batch.core.partition.support.taskExecutionPartitionHandler$1.call（taskExecutionPartitionHandler.java:139）[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
在org.springframework.batch.core.partition.support.taskExecutionPartitionHandler$1.call（taskExecutionPartitionHandler.java:136）[spring-batch-core-4.0.1.RELEASE.jar:4.0.1.RELEASE]
在java.util.concurrent.FutureTask.run（FutureTask.java:266）[na:1.8.0_171]
在java.lang.Thread.run（Thread.java:748）[na:1.8.0_171]
原因：org.springframework.beans.factory.BeanExpressionException:表达式解析失败；嵌套异常为org.springframework.expression.spel.SpelEvaluationException:EL1021E:尝试访问bean类[org.springframework.batch.core.scope.context.StepContext]的属性“StepExecutionerText”时出现问题：“无效属性”StepExecutionerText]：Bean属性“StepExecutionUserText”不可读或具有无效的getter方法：getter的返回类型是否与setter的参数类型匹配
在org.springframework.context.expression.StandardBeanExpressionResolver.evaluate（StandardBeanExpressionResolver.java:164）~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.evaluateBeanDefinitionString（AbstractBeanFactory.java:1452）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency（DefaultListableBeanFactory.java:1088）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency（DefaultListableBeanFactory.java:1065）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument（ConstructorResolver.java:815）~[spring-beans-5.0.6.RELEASE.jar:5.0.6.RELEASE]
在org.springframework.beans.factory.support.ConstructorResolver.creat上
@Slf4j
@Configuration
@EnableBatchProcessing
public class PaymentsPartitionerJob {
    @Autowired
    private JobBuilderFactory jobBuilderFactory;

    @Autowired
    private StepBuilderFactory stepBuilderFactory;

    @Autowired
    private DataSource dataSource;

    @Bean
    public SimpleAsyncTaskExecutor taskExecutor() {
        return new SimpleAsyncTaskExecutor();
    }

    @Bean
    public RangePartitioner rangePartitioner() {
        return new RangePartitioner();
    }

    @Bean
    public PaymentsTasklet paymentsTasklet() {
        return new PaymentsTasklet();
    }

    @Bean
    @StepScope
    public PaymentProcessor slaveProcessor(@Value("#{stepExecutionContext[name]}") String name) {
        log.info("********called slave processor **********");
        PaymentProcessor paymentProcessor = new PaymentProcessor();
        paymentProcessor.setThreadName(name);
        return paymentProcessor;
    }


    @Bean
    @StepScope
    public FlatFileItemWriter<Payments> slaveWriter(@Value("#{stepExecutionContext[fromId]}") final String fromId,
            @Value("#{stepExecutioUsertext[toId]}") final String toId){

        FlatFileItemWriter<Payments> reader = new FlatFileItemWriter<>();
        reader.setResource(new FileSystemResource("csv//payments.processed"+ fromId+"-"+toId+".csv"));

        BeanWrapperFieldExtractor<Payments> fieldExtractor = new BeanWrapperFieldExtractor<>();
        fieldExtractor.setNames(new String[] {"customerNumber", "checkNumber", "paymentDate", "amount"});

        DelimitedLineAggregator<Payments> lineAggregator = new DelimitedLineAggregator<>();
        lineAggregator.setDelimiter(",");
        lineAggregator.setFieldExtractor(fieldExtractor);

        return reader;
    }

    @Bean
    @StepScope
    public JdbcPagingItemReader<Payments> slaveReader(@Value("#{stepExecutionContext[fromId]}") final String fromId,
            @Value("#{stepExecutionContext[toId]}") final String toId,
            @Value("#{stepExecutionContext[name]}") final String name) {

        // Bean Property Row Mapper
        BeanPropertyRowMapper<Payments> propertyRowMapper = new BeanPropertyRowMapper<>();
        propertyRowMapper.setMappedClass(Payments.class);

        log.info("slaveReader start " + fromId + " " + toId);

        // Jdbc Paging Item Reader
        JdbcPagingItemReader<Payments> reader = new JdbcPagingItemReader<>();
        reader.setDataSource(dataSource);
        reader.setQueryProvider(queryProvider());

        // Set the Parameter values
        Map<String, Object> parameterValues = new HashMap<>();
        parameterValues.put("fromId", fromId);
        parameterValues.put("toId", toId);
        log.info("Parameter Value " + name + " " + parameterValues);

        reader.setParameterValues(parameterValues);
        reader.setPageSize(1000);
        reader.setRowMapper(propertyRowMapper);
        return reader;
    }

    private PagingQueryProvider queryProvider() {
        log.info("queryProvider start ");
        SqlPagingQueryProviderFactoryBean provider = new SqlPagingQueryProviderFactoryBean();
        provider.setDataSource(dataSource);
        provider.setSelectClause("SELECT customerNumber, checkNumber, paymentDate, amount ");
        provider.setFromClause("FROM payments ");
        provider.setWhereClause("WHERE customerNumber >= :fromId AND fromId <= :toId ");
        provider.setSortKey("customerNumber");
        try {
            return provider.getObject();
        } catch (Exception e) {
            log.error("ERROR IN queryProvider() "+e.getMessage());
        }
        return null;
    }

    @Bean(name = "slave")
    public Step slave() {
        log.info("...........called slave .........");
        return stepBuilderFactory.get("slave").<Payments, Payments>chunk(100)
                .reader(slaveReader(null, null, null))
                .processor(slaveProcessor(null))
                .writer(slaveWriter(null, null))
                .build();
    }



    @Bean
    public PartitionHandler masterSlaveHandler() {
        TaskExecutorPartitionHandler handler = new TaskExecutorPartitionHandler();
        handler.setGridSize(10);
        handler.setTaskExecutor(taskExecutor());
        handler.setStep(slave());
        try {
            handler.afterPropertiesSet();
        } catch (Exception e) {
            log.error("masterSlaveHandler :: "+e.getMessage());
        }
        return handler;
    }

    @Bean
    public Step masterStep() {
        return stepBuilderFactory.get("masterStep")
                .partitioner(slave().getName(), rangePartitioner())
                .partitionHandler(masterSlaveHandler())
                .build();
    }

    @Bean
    public Step step2() {
        return stepBuilderFactory.get("step2").tasklet(paymentsTasklet()).build();
    }

    @Bean
    public Job PartitionJob() {
        return jobBuilderFactory
                .get("partitionJob")
                .incrementer(new RunIdIncrementer())
                .start(masterStep())
                .next(step2())
                .build();
    }
}

@Value("#{stepExecutionContext['name']}") String name

@Bean
    @StepScope
    public FlatFileItemWriter<Payments> slaveWriter(@Value("#{stepExecutionContext[fromId]}") final String fromId,
            @Value("#{stepExecutioUsertext[toId]}") final String toId)

@Bean
    @StepScope
    public FlatFileItemWriter<Payments> slaveWriter(@Value("#{stepExecutionContext[fromId]}") final String fromId,
            @Value("#{stepExecutionContext[toId]}") final String toId)