SpringバッチアプリケーションでH2データソースBeanが表示されない

Question

小さなテストアプリケーションでは、JSR-352の機能に限定されたSpring BootとSpring Batchを使用しています。私が遭遇している問題は、Spring BatchがSpring Bootが自動的に作成したH2データベースが表示されないということです。

私は次のようにバッチプロセッサを起動しよう：

final JobOperator jobOperator = BatchRuntime.getJobOperator(); 
final long jobId = jobOperator.start("importExample", new Properties()); 

私は、次の例外を取得：

2017-12-13 20:13:44.799 WARN 4972 --- [nio-8080-exec-2] o.s.c.s.GenericXmlApplicationContext  : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jobRepository': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Could not get Connection for extracting meta data; nested exception is org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'org.hsqldb.jdbcDriver' 
2017-12-13 20:13:44.800 WARN 4972 --- [nio-8080-exec-2] o.s.c.s.ClassPathXmlApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'baseContext' defined in URL [jar:file:/C:/Users/Peter/.m2/repository/org/springframework/batch/spring-batch-core/3.0.8.RELEASE/spring-batch-core-3.0.8.RELEASE.jar!/beanRefContext.xml]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.context.support.GenericXmlApplicationContext]: Constructor threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jobRepository': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Could not get Connection for extracting meta data; nested exception is org.springframework.jdCannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'org.hsqldb.jdbcDriver' 
2017-12-13 20:13:44.821 ERROR 4972 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Handler dispatch failed; nested exception is java.util.ServiceConfigurationError: javax.batch.operations.JobOperator: Provider org.springframework.batch.core.jsr.launch.JsrJobOperator could not be instantiated] with root cause 

java.lang.ClassNotFoundException: org.hsqldb.jdbcDriver 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedWebappClassLoader.loadClass(TomcatEmbeddedWebappClassLoader.java:52) ~[spring-boot-1.5.6.RELEASE.jar:1.5.6.RELEASE] 
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.commons.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1420) ~[commons-dbcp-1.4.jar:1.4] 
    at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1371) ~[commons-dbcp-1.4.jar:1.4] 
    at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044) ~[commons-dbcp-1.4.jar:1.4] 
    at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:326) ~[spring-jdbc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:366) ~[spring-jdbc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.batch.support.DatabaseType.fromMetaData(DatabaseType.java:98) ~[spring-batch-infrastructure-3.0.8.RELEASE.jar:3.0.8.RELEASE] 
    at org.springframework.batch.core.repository.support.JobRepositoryFactoryBean.afterPropertiesSet(JobRepositoryFactoryBean.java:182) ~[spring-batch-core-3.0.8.RELEASE.jar:3.0.8.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:742) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.context.support.GenericXmlApplicationContext.<init>(GenericXmlApplicationContext.java:71) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121] 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_121] 
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121] 
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121] 
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.SimpleInstantiationStExamplegy.instantiate(SimpleInstantiationStExamplegy.java:122) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:271) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1193) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1095) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.context.access.ContextSingletonBeanFactoryLocator.initializeDefinition(ContextSingletonBeanFactoryLocator.java:143) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.beans.factory.access.SingletonBeanFactoryLocator.useBeanFactory(SingletonBeanFactoryLocator.java:383) ~[spring-beans-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.batch.core.jsr.launch.JsrJobOperator.<init>(JsrJobOperator.java:164) ~[spring-batch-core-3.0.8.RELEASE.jar:3.0.8.RELEASE] 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121] 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_121] 
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121] 
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121] 
    at java.lang.Class.newInstance(Class.java:442) ~[na:1.8.0_121] 
    at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:380) ~[na:1.8.0_121] 
    at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404) ~[na:1.8.0_121] 
    at java.util.ServiceLoader$1.next(ServiceLoader.java:480) ~[na:1.8.0_121] 
    at javax.batch.runtime.BatchRuntime$1.run(BatchRuntime.java:52) ~[javax.batch-api-1.0.jar:1.0] 
    at javax.batch.runtime.BatchRuntime$1.run(BatchRuntime.java:47) ~[javax.batch-api-1.0.jar:1.0] 
    at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_121] 
    at javax.batch.runtime.BatchRuntime.getJobOperator(BatchRuntime.java:47) ~[javax.batch-api-1.0.jar:1.0] 
    at com.example.test.batch.ExampleImportService.runImports(ExampleImportService.java:24) ~[classes/:na] 
    at com.example.test.ExampleService.importExamples(ExampleService.java:38) ~[classes/:na] 
    at com.example.test.ExampleService$$FastClassBySpringCGLIB$$eb469919.invoke(<geneExampled>) ~[classes/:na] 
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at com.example.test.ExampleService$$EnhancerBySpringCGLIB$$a2439355.importExamples(<geneExampled>) ~[classes/:na] 
    at com.example.test.ExampleAPIController.importExamples(ExampleAPIController.java:25) ~[classes/:na] 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121] 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121] 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121] 
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121] 
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:105) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121] 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121] 
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.16.jar:8.5.16] 
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121] 

今、私は依存関係にHSQL DBとデータベース接続プールを追加することができ、 SpringバッチでH2データソースを「参照」したいと思います。これは偶然に正しく初期化されます。

これを行う簡単な方法はありますか？残念なことに、2時間の検索では何も使用できませんでした。

Answer 1

最後に解決策が見つかりました。問題はSpring BatchのJsrJobOperatorです。なぜなら、サービスローダー機構を介してロードされているからです（結局のところ、JSR-352仕様では必要です）。したがって、SpringBootによってロードされたアプリケーションコンテキストについてのヒントはありません。代わりにBatchRuntime.getJobOperator()、単に自動ワイヤージョブ演算子を使用しての、そして、

import javax.sql.DataSource; 
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing; 
import org.springframework.batch.core.explore.JobExplorer; 
import org.springframework.batch.core.jsr.JsrJobParametersConverter; 
import org.springframework.batch.core.jsr.launch.JsrJobOperator; 
import org.springframework.batch.core.repository.JobRepository; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.context.ApplicationContext; 
import org.springframework.context.annotation.Bean; 
import org.springframework.context.annotation.Configuration; 
import org.springframework.core.env.Environment; 
import org.springframework.core.task.TaskExecutor; 
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; 
import org.springframework.transaction.PlatformTransactionManager; 

/** 
* This configuration deals with the issue that Spring Boot and Spring Batch's 
* implementation of JSR-352 don't play well together. This code borrows heavily 
* from https://github.com/codecentric/spring-boot-starter-batch-web . 
*/ 
@Configuration 
@EnableBatchProcessing(modular = true) 
public class Jsr352Configuration { 

    @Autowired 
    private ApplicationContext applicationContext; 

    @Autowired 
    private DataSource dataSource; 

    @Autowired 
    private Environment env; 

    @Autowired 
    private JobExplorer jobExplorer; 

    @Autowired 
    private JobRepository jobRepository; 

    @Bean 
    public JsrJobOperator jsrJobOperator(final PlatformTransactionManager transactionManager) throws Exception { 
     final JsrJobOperator jobOperator = new JsrJobOperator(jobExplorer, jobRepository, jsrJobParametersConverter(), transactionManager); 
     jobOperator.setTaskExecutor(taskExecutor()); 
     jobOperator.setApplicationContext(applicationContext); 
     return jobOperator; 
    } 

    private JsrJobParametersConverter jsrJobParametersConverter() throws Exception { 
     JsrJobParametersConverter jsrJobParametersConverter = new JsrJobParametersConverter(dataSource); 
     jsrJobParametersConverter.afterPropertiesSet(); 
     return jsrJobParametersConverter; 
    } 

    private TaskExecutor taskExecutor() { 
     ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor(); 
     taskExecutor.setCorePoolSize(env.getProperty("batch.core.pool.size", Integer.class, 5)); 
     taskExecutor.setQueueCapacity(env.getProperty("batch.queue.capacity", Integer.class, Integer.MAX_VALUE)); 
     taskExecutor.setMaxPoolSize(env.getProperty("batch.max.pool.size", Integer.class, Integer.MAX_VALUE)); 
     taskExecutor.afterPropertiesSet(); 
     return taskExecutor; 
    } 
} 

をし、それを呼び出します。この問題を解決するには、あなたのコードのどこかでこのクラスを置きます。

コードには属性がありますが、https://github.com/codecentric/spring-boot-starter-batch-webにあるコードは非常に役に立ち、特定の部分は逐語的にコピーされました。

Answer 2

のpom.xml

<dependency> 
    <groupId>org.springframework.boot</groupId> 
    <artifactId>spring-boot-starter-data-jpa</artifactId> 
</dependency> 
<dependency> 
    <groupId>com.h2database</groupId> 
    <artifactId>h2</artifactId> 
</dependency> 

application.properties

server.port=8080 
server.contextPath=/demo 
spring.h2.console.enabled=true 
spring.h2.console.path=/h2 
spring.datasource.url=jdbc:h2:file:~/demoboot 
spring.datasource.username=sa 
spring.datasource.password= 
spring.datasource.driver-class-name=org.h2.Driver 
spring.datasource.max-active=10 
spring.datasource.max-idle=8 
spring.datasource.max-wait=10000 
spring.datasource.min-evictable-idle-time-millis=1000 
spring.datasource.min-idle=8 
spring.datasource.time-between-eviction-runs-millis=1