Problem using scope="step" with MultiResourceItemReader

[vinvh]

I am using Spring 2.5 + Spring Batch 2.0.2. I am using MRIR for reading data from multiple files which are placed in working folder by steps executed before load step

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:batch="http://www.springframework.org/schema/batch"
	xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:util="http://www.springframework.org/schema/util"
	xsi:schemaLocation="
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
        http://www.springframework.org/schema/batch http://www.springframework.org/schema/batch/spring-batch-2.0.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd">


	<import resource="../../applicationcontext.xml" />
	<import resource="F2DBeans.xml" />
	

	<batch:job id="F2D" job-repository="simpleJobRepository"
		restartable="true">

		<batch:step id="copyToStage" next="copyToProcess" parent="simpleStep">
			<batch:tasklet ref="copyToStageTasklet" />
		</batch:step>

		<batch:step id="copyToProcess" next="loadFile" parent="simpleStep">
			<batch:tasklet ref="copyToProcessTasklet" />
		</batch:step>

		<batch:step id="loadFile" next="moveToArchieve" parent="simpleStep">
			<batch:tasklet transaction-manager="transactionManager">
				<batch:chunk reader="itemReader" writer="consoleWritter"
					commit-interval="1" />
			</batch:tasklet>
		</batch:step>

		<batch:step id="moveToArchieve" next="purgeStep" parent="simpleStep">
			<batch:tasklet ref="moveToArchiveTasklet" />
		</batch:step>

		<batch:step id="purgeStep" parent="simpleStep">
			<batch:tasklet ref="purgeTasklet" />
		</batch:step>
	</batch:job>

	<bean id="itemWriter" parent="databaseWriter">
		<property name="statementId" value="${batchConfig.iBATIS.insertQuery}" />
	</bean>
	
	<bean id="itemReader" 
		class="org.springframework.batch.item.file.MultiResourceItemReader" scope="step">
		<property name="resources" value="file:data/working/*" />
		<property name="delegate" ref="fileReader" />

	</bean>

	<bean id="consoleWritter" class="com.jpmc.cco.cdt.ConsoleWritter" />

	<bean id="fileReader" class="org.springframework.batch.item.file.FlatFileItemReader">
		<property name="lineMapper" ref="mapper" />
	</bean>

	<bean id="mapper"
		class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
		<property name="lineTokenizer" ref="tokenizer" />
		<property name="fieldSetMapper" ref="genricFieldSetMapper" />
	</bean>

	<bean id="tokenizer"
		class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer">
		<property name="delimiter" value="|" />
		<property name="names" value="DATA,CARD_NB,OFR_ID" />
	</bean>
</beans>

When i am running above job i get following error -

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'F2D': Cannot create inner bean '(inner bean)' of type [org.springframework.batch.core.job.flow.support.SimpleFlow] while setting bean property 'flow'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)': Cannot create inner bean '(inner bean)' of type [org.springframework.batch.core.job.flow.support.StateTransition] while setting bean property 'stateTransitions' with key [6]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#6': Cannot create inner bean '(inner bean)' of type [org.springframework.batch.core.job.flow.support.state.StepState] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#6': Cannot resolve reference to bean 'loadFile' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'loadFile': Initialization of bean failed; nested exception is java.lang.IllegalStateException: No Scope registered for scope 'step'
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:230)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1245)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
	at com.jpmc.cco.cdt.core.BatchMain.doWork(BatchMain.java:107)
	at com.chase.ccs.common.AbstractBatch.doWork(AbstractBatch.java:209)
	at com.chase.ccs.common.AbstractBatch.execute(AbstractBatch.java:93)
	at com.jpmc.cco.cdt.core.BatchMain.main(BatchMain.java:45)

If i remove the scope="step" MRIR defination, job runs successfully but do not load any file as when job is loaded the working folder is empty.

Is it problem with jars I am using or there is issue with beans defination?

[snicoll]

Try adding

<bean class="org.springframework.batch.core.scope.StepScope" />

to your configuration file. See also
http://static.springsource.org/sprin...tml#step-scope

[vinvh]

I tried that, but no luck!

[snicoll]

Well, that should work. Where have you added the configuration?

[vinvh]

I have delcared it in F2DBeans.xml which is imported in my job configuration.

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:p="http://www.springframework.org/schema/p" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
        
        <bean class="org.springframework.batch.core.scope.StepScope" />

	<bean id="copyToStageTasklet" class="com.jpmc.cco.cdt.core.tasklet.file.FileCopyTasklet">
		<property name="source" value="${batchConfig.landingPad}" />
		<property name="destination" value="${batchConfig.staging}" />
		<property name="fileManagement" ref="fileManagement"/>
	</bean>
............

As mentioned in documentation http://static.springsource.org/sprin...tml#step-scope I can not add in job configuration directly as i am importing batch.xsd.

[katz_jd]

Try using this xsd: http://www.springframework.org/schem...-batch-2.1.xsd

[vinvh]

Its working now as expected. The problem was the way job was loaded. I used XML bean factory instead of application context to load the beans. After changing to application context the job is working fine with step scope.

[Prabhabati Moharana]

Hi
I am facing issue w.r.t Multifolder access.
My req. is I need to access/read of each files(in difrrent format like .txt, .rdy and .tiff images) from a sub folder(B) inside Main Folder(A) using Spring Batch configuration file.(MultiResourceItemReader).
CAn any one help on this issue.