spring batch AsynchJob Launcher ,Error in setting job repo - spring

Question

Hi below is my configuration for creating asynchlob launcher
<bean id="jobLauncher"
class="org.springframework.batch.core.launch.support.SimpleJobLauncher">
<property name="jobRepository" ref="&jobRepository" />
<property name="taskExecutor" ref="taskExecutor" />
</bean>
<bean id="taskExecutor" class="org.springframework.core.task.SimpleAsyncTaskExecutor" />
<bean id="jobRepository" class="org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean" />
i'm getting below error
Error creating bean with name 'batchJobLauncher': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.batch.core.launch.support.SimpleJobLauncher com.batch.launcher.BatchJobLauncher.asyncJobLauncher; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jobLauncher' defined in ServletContext resource [/WEB-INF/BatchConfig.xml]: Initialization of bean failed; nested exception is org.springframework.beans.ConversionNotSupportedException: Failed to convert property value of type 'org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean' to required type 'org.springframework.batch.core.repository.JobRepository' for property 'jobRepository'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean] to required type [org.springframework.batch.core.repository.JobRepository] for property 'jobRepository': no matching editors or conversion strategy found
.....
caused by: org.springframework.beans.ConversionNotSupportedException: Failed to convert property value of type 'org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean' to required type 'org.springframework.batch.core.repository.JobRepository' for property 'jobRepository'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean] to required type [org.springframework.batch.core.repository.JobRepository] for property 'jobRepository': no matching editors or conversion strategy found
at org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:476) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:512) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:506) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1523) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1482) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1222) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
... 54 more
Caused by: java.lang.IllegalStateException: Cannot convert value of type [org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean] to required type [org.springframework.batch.core.repository.JobRepository] for property 'jobRepository': no matching editors or conversion strategy found
at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:287) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:461) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
... 60 more
i tried without & also.
error like this
13:58:59,346 WARN [org.springframework.web.context.support.XmlWebApplicationContext] (ServerService Thread Pool -- 58) Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jobBuilders' defined in class path resource [org/springframework/batch/core/configuration/annotation/SimpleBatchConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.batch.core.configuration.annotation.JobBuilderFactory]: Factory method 'jobBuilders' threw exception; nested exception is java.lang.ClassCastException: org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean$$EnhancerBySpringCGLIB$$99e29281 cannot be cast to org.springframework.batch.core.repository.JobRepository
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599) [spring-beans-4.1.6.RELEASE.jar:4.1.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1119)

Answer 1

Here is a working example made from http://www.mkyong.com/spring-batch/spring-batch-hello-world-example/ and tested on wildfly 9.
<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"
xsi:schemaLocation="http://www.springframework.org/schema/batch
http://www.springframework.org/schema/batch/spring-batch-2.2.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
">
<bean id="report" class="Report" scope="prototype" />
<bean id="jobRepository"
class="org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean">
<property name="transactionManager" ref="transactionManager" />
</bean>
<batch:job id="helloWorldJob">
<batch:step id="step1">
<batch:tasklet>
<batch:chunk reader="cvsItemReader" writer="xmlItemWriter"
commit-interval="10">
</batch:chunk>
</batch:tasklet>
</batch:step>
</batch:job>
<bean id="jobLauncher"
class="org.springframework.batch.core.launch.support.SimpleJobLauncher">
<property name="jobRepository" ref="jobRepository" />
<property name="taskExecutor" ref="taskExecutor" />
</bean>
<bean id="cvsItemReader" class="org.springframework.batch.item.file.FlatFileItemReader">
<property name="resource" value="classpath:report.csv" />
<property name="lineMapper">
<bean class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
<property name="lineTokenizer">
<bean
class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer">
<property name="names" value="id,sales,qty,staffName,date" />
</bean>
</property>
<property name="fieldSetMapper">
<bean
class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper">
<property name="prototypeBeanName" value="report" />
</bean>
</property>
</bean>
</property>
</bean>
<bean id="xmlItemWriter" class="org.springframework.batch.item.xml.StaxEventItemWriter">
<property name="resource" value="file:/home/username/report.xml" />
<property name="marshaller" ref="reportMarshaller" />
<property name="rootTagName" value="report" />
</bean>
<bean id="reportMarshaller" class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
<property name="classesToBeBound">
<list>
<value>Report</value>
</list>
</property>
</bean>
<bean id="taskExecutor" class="org.springframework.core.task.SimpleAsyncTaskExecutor" />
<bean id="transactionManager"
class="org.springframework.batch.support.transaction.ResourcelessTransactionManager" />
</beans>
Report.java:
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
#XmlRootElement(name = "record")
public class Report {
private int id;
private String sales;
private int qty;
private String staffName;
private String date;
#XmlAttribute(name = "id")
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
#XmlElement(name = "sales")
public String getSales() {
return sales;
}
public void setSales(String sales) {
this.sales = sales;
}
#XmlElement(name = "qty")
public int getQty() {
return qty;
}
public void setQty(int qty) {
this.qty = qty;
}
#XmlElement(name = "staffName")
public String getStaffName() {
return staffName;
}
public void setStaffName(String staffName) {
this.staffName = staffName;
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
#Override
public String toString() {
return "Report [id=" + id + ", sales=" + sales
+ ", qty=" + qty + ", staffName=" + staffName + "]";
}
}
To run use a servlet with the following code:
ApplicationContext context =
new ClassPathXmlApplicationContext("job.xml");
JobLauncher jobLauncher = (JobLauncher) context.getBean("jobLauncher");
Job job = (Job) context.getBean("helloWorldJob");
try {
org.springframework.batch.core.JobExecution execution = jobLauncher.run(job, new JobParameters());
System.out.println("Exit Status : " + execution.getStatus());
} catch (Exception e) {
e.printStackTrace();
}