BeanUtils.copyProperty报java.lang.ExceptionInInitializerError错误

本文解决了使用BeanUtils.copyProperty方法时出现的java.lang.ExceptionInInitializerError异常问题,通过正确导入org.apache.commons.beanutils.BeanUtils包及添加相关jar文件来修复。

困扰了两天BeanUtils.copyProperty方法  一直在报java.lang.ExceptionInInitializerError  终于找到原因啦,原来是包导错了,以为不用添加新的Jar包呢。

错误导了java.lang.ExceptionInInitializerError这个包

应该导入org.apache.commons.beanutils.BeanUtils包,

我是添加了STruts的包中的commons-beanutils.jar,commons-logging-1.1.1.jar

在上网看到有个朋友也在说这个问题,才知道是包导错啦,在此心中谢谢那位仁兄,向那个仁兄学习,希望可以帮到有困扰的童鞋

java.lang.IllegalStateException: Failed to load ApplicationContext for [MergedContextConfiguration@1f0e2bdc testClass = jp.co.sej.ssc.sh.sshb0052.Sshb0052Test02, locations = [], classes = [jp.co.sej.ssc.Application, jp.co.sej.ssc.sh.sshb0052.Sshb0052JobConfig, jp.co.sej.ssc.sh.sshb0052.common.TestConfig], contextInitializerClasses = [], activeProfiles = [], propertySourceDescriptors = [], propertySourceProperties = [], contextCustomizers = [org.springframework.batch.test.context.BatchTestContextCustomizer@677dbd89, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@4a9419d7, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@21a5fd96, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0], contextLoader = org.springframework.test.context.support.DelegatingSmartContextLoader, parent = null] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:180) at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:130) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:142) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:98) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:260) at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:163) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:310) at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at java.base/java.util.Optional.orElseGet(Optional.java:364) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'testConfig': Unsatisfied dependency expressed through field 'job': Error creating bean with name 'sshb0052' defined in jp.co.sej.ssc.sh.sshb0052.Sshb0052JobConfig: Unsatisfied dependency expressed through method 'sshb0052' parameter 2: Error creating bean with name 'sshb0052step1' defined in jp.co.sej.ssc.sh.sshb0052.Sshb0052JobConfig: Unsatisfied dependency expressed through method 'sshb0052step1' parameter 1: Error creating bean with name 'sshb0052Step1Tasklet' defined in file [D:\SY22BNEC31\新しいフォルダー (5)\shelf-batch-sshb0052-application-develop\build\bin\main\jp\co\sej\ssc\sh\sshb0052\Sshb0052Step1Tasklet.class]: null at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:788) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:768) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:145) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:509) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1439) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:599) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:971) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:625) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:221) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:110) at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:212) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:225) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:152) ... 17 more Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sshb0052' defined in jp.co.sej.ssc.sh.sshb0052.Sshb0052JobConfig: Unsatisfied dependency expressed through method 'sshb0052' parameter 2: Error creating bean with name 'sshb0052step1' defined in jp.co.sej.ssc.sh.sshb0052.Sshb0052JobConfig: Unsatisfied dependency expressed through method 'sshb0052step1' parameter 1: Error creating bean with name 'sshb0052Step1Tasklet' defined in file [D:\SY22BNEC31\新しいフォルダー (5)\shelf-batch-sshb0052-application-develop\build\bin\main\jp\co\sej\ssc\sh\sshb0052\Sshb0052Step1Tasklet.class]: null at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:795) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:542) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1355) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1185) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:785) ... 35 more Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sshb0052step1' defined in jp.co.sej.ssc.sh.sshb0052.Sshb0052JobConfig: Unsatisfied dependency expressed through method 'sshb0052step1' parameter 1: Error creating bean with name 'sshb0052Step1Tasklet' defined in file [D:\SY22BNEC31\新しいフォルダー (5)\shelf-batch-sshb0052-application-develop\build\bin\main\jp\co\sej\ssc\sh\sshb0052\Sshb0052Step1Tasklet.class]: null at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:795) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:542) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1355) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1185) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353) at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:904) at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:782) ... 48 more Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sshb0052Step1Tasklet' defined in file [D:\SY22BNEC31\新しいフォルダー (5)\shelf-batch-sshb0052-application-develop\build\bin\main\jp\co\sej\ssc\sh\sshb0052\Sshb0052Step1Tasklet.class]: null at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:318) at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:306) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1375) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1212) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353) at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:904) at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:782) ... 62 more Caused by: java.lang.ExceptionInInitializerError at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481) at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:208) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:117) at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:315) ... 76 more Caused by: java.lang.NullPointerException: defaultObj at java.base/java.util.Objects.requireNonNull(Objects.java:235) at java.base/java.util.Objects.requireNonNullElse(Objects.java:290) at jp.co.sej.ssc.sh.sshb0052.Sshb0052Step1Tasklet.<clinit>(Sshb0052Step1Tasklet.java:201) ... 81 more 什么错误
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