org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.beans.factory.support.BeanNameGenerator]: Specified class is an interface

SpringSource Issue Tracker | Martin Lippert | 4 years ago
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  1. 0

    @ComponentScan annotations are not handled correctly by the IDE at the moment due to various class space problems with the underlying Spring framework. Some stack traces: {noformat} java.lang.ClassCastException: org.springframework.context.annotation.AnnotationScopeMetadataResolver cannot be cast to org.springframework.context.annotation.ScopeMetadataResolver at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:89) at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:214) at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:149) at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:126) at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:263) at org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:73) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:748) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:741) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:625) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:584) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:450) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) {noformat} {noformat} org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.beans.factory.support.BeanNameGenerator]: Specified class is an interface at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:101) at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:82) at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:214) at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:149) at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:126) at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:263) at org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:73) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:748) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:741) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:625) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:584) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:450) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) {noformat} The same is true for the @EnableTransactionManagement annotation (at possibly a lot more): {noformat} java.lang.IllegalStateException: java.lang.ClassNotFoundException: org.springframework.transaction.annotation.TransactionManagementConfigurationSelector at org.springframework.context.annotation.ConfigurationClassParser.processImport(ConfigurationClassParser.java:324) at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:228) at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:149) at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:126) at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:263) at org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:73) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:748) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:741) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:625) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:584) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:450) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) {noformat}

    SpringSource Issue Tracker | 4 years ago | Martin Lippert (c)
    org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.beans.factory.support.BeanNameGenerator]: Specified class is an interface
  2. 0

    @ComponentScan annotations are not handled correctly by the IDE at the moment due to various class space problems with the underlying Spring framework. Some stack traces: {noformat} java.lang.ClassCastException: org.springframework.context.annotation.AnnotationScopeMetadataResolver cannot be cast to org.springframework.context.annotation.ScopeMetadataResolver at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:89) at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:214) at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:149) at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:126) at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:263) at org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:73) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:748) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:741) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:625) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:584) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:450) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) {noformat} {noformat} org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.beans.factory.support.BeanNameGenerator]: Specified class is an interface at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:101) at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:82) at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:214) at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:149) at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:126) at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:263) at org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:73) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:748) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:741) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:625) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:584) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:450) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) {noformat} The same is true for the @EnableTransactionManagement annotation (at possibly a lot more): {noformat} java.lang.IllegalStateException: java.lang.ClassNotFoundException: org.springframework.transaction.annotation.TransactionManagementConfigurationSelector at org.springframework.context.annotation.ConfigurationClassParser.processImport(ConfigurationClassParser.java:324) at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:228) at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:149) at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:126) at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:263) at org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:73) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:748) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:741) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:625) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:584) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:450) at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) {noformat}

    SpringSource Issue Tracker | 4 years ago | Martin Lippert
    org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.beans.factory.support.BeanNameGenerator]: Specified class is an interface
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    SpingMVC如何实现集合参数讨论第3页: - Spring - Java - ITeye论坛

    iteye.com | 12 months ago
    org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [java.util.List]: Specified class is an interface
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    spring MVC3 errors Could not instantiate bean class [java.util.List]: Specified class is an interface Occasional

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    how to resolve org.springframework.beans.BeanInstantiationException

    Stack Overflow | 11 months ago | afi
    org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.servlet.http.HttpServletRequest]: Specified class is an interface
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Root Cause Analysis

  1. org.springframework.beans.BeanInstantiationException

    Could not instantiate bean class [org.springframework.beans.factory.support.BeanNameGenerator]: Specified class is an interface

    at org.springframework.beans.BeanUtils.instantiateClass()
  2. Spring Beans
    BeanUtils.instantiateClass
    1. org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:101)
    1 frame
  3. Spring Context
    ConfigurationClassPostProcessor.processConfigBeanDefinitions
    1. org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:82)
    2. org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:214)
    3. org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:149)
    4. org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:126)
    5. org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:263)
    5 frames
  4. org.springframework.ide
    BeansConfig$4.run
    1. org.springframework.ide.eclipse.metadata.process.JdtConfigurationClassPostProcessor.postProcess(JdtConfigurationClassPostProcessor.java:73)
    2. org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$4.run(BeansConfig.java:748)
    2 frames
  5. Eclipse Core
    SafeRunner.run
    1. org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    1 frame
  6. org.springframework.ide
    BeansConfig$3.call
    1. org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.executePostProcessor(BeansConfig.java:741)
    2. org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.postProcess(BeansConfig.java:625)
    3. org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig.access$8(BeansConfig.java:584)
    4. org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:450)
    5. org.springframework.ide.eclipse.beans.core.internal.model.BeansConfig$3.call(BeansConfig.java:1)
    5 frames
  7. Java RT
    Thread.run
    1. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
    2. java.util.concurrent.FutureTask.run(FutureTask.java:166)
    3. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    4. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
    5. java.util.concurrent.FutureTask.run(FutureTask.java:166)
    6. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    7. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    8. java.lang.Thread.run(Thread.java:722)
    8 frames