Spring batch reader抱怨资源

Question

当我尝试启动spring boot应用程序时，我遇到了以下错误。它甚至在我提供作业参数之前就给出了一个错误，该参数是作业的参数。

许多讨论建议使用资源作为文件:#{jobparameters[controlFileInput]}来解决这个问题。但对我没用。提前谢了。

    <beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:batch="http://www.springframework.org/schema/batch" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:util="http://www.springframework.org/schema/util" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/batch
    http://www.springframework.org/schema/batch/spring-batch-3.0.xsd
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
    http://www.springframework.org/schema/util
    http://www.springframework.org/schema/util/spring-util-4.2.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-4.2.xsd">

    <context:property-placeholder location="classpath:application.properties" />
    <bean id="stepScope" class="org.springframework.batch.core.scope.StepScope">
        <property name="autoProxy" value="true" />
    </bean>
    <bean id="billItemWriteListener"
        class="com.telstra.billubfreader.listener.BillItemWriteListener" />
    <bean id="billItemProcessListener"
        class="com.telstra.billubfreader.listener.BillItemProcessListener" />

    <bean id="fileMovingToErrorTasklet"class="com.telstra.billubfreader.ErrorFileMover" />
    <bean id="fileMovingToSuccessTasklet"
        class="com.telstra.billubfreader.SuccessFileMover" />

    <bean id="billControlFileItemReader" class="org.springframework.batch.item.file.FlatFileItemReader"
        scope="step">
        <property name="resource" value="file:#{jobParameters[controlFileInput]}" />
        <property name="linesToSkip" value="${control.linetoskip}" />
        <property name="lineMapper">
            <bean class="com.telstra.billubfreader.mapper.BillControlLineMapper">
                <property name="lineTokenizer">
                    <bean   class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer">
                    </bean>
                </property>
                <property name="fieldSetMapper">
                    <bean
                        class="com.telstra.billubfreader.mapper.BillControlFieldDataMapper" />
                </property>
            </bean>
        </property>
    </bean>
    <bean id="billControlItemProcessor" class="com.telstra.billubfreader.BillControlItemProcessor"
        scope="step">
    </bean>
    <bean id="billControFileItemwriter" class="com.telstra.billubfreader.BillControlItemWriter"
        scope="step">
    </bean>


    <batch:job id="billControlFileReaderJob" restartable="true">
        <batch:step id="billControlFileRaderStep1">
            <batch:tasklet>
                <batch:chunk reader="billControlFileItemReader"
                    processor="billControlItemProcessor" writer="billControFileItemwriter"
                    commit-interval="25">
                    <batch:listeners>
                        <batch:listener ref="billItemWriteListener" />
                        <batch:listener ref="billItemProcessListener" />
                        <batch:listener ref="promotionListener"/>

                    </batch:listeners>
                </batch:chunk>
            </batch:tasklet>
             <batch:next on="FAILED" to="fileMovingtoError" />
              <batch:next on="COMPLETED" to="fileMovingToSuccess" />
        </batch:step>
        <batch:step id="fileMovingtoError">
        <tasklet ref="fileMovingToErrorTasklet"/>
        </batch:step>
        <batch:step id="fileMovingToSuccess">
        <tasklet ref="fileMovingToSuccessTasklet"/>
        </batch:step>
    </batch:job>
    <bean id="promotionListener"
class="org.springframework.batch.core.listener.ExecutionContextPromotionListener">
    <property name="keys" value="filesToMove"/>
</bean>

</beans>

Answer 1

我在这里找到了问题。问题是SpringApplication.run在启动作业之前执行作业。所以，它没有工作参数。设置spring.batch.job.enabled=false解决了这个问题。