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Spring Boot 中使用自定义keyConverter，DefaultSpringKeyConvertorParser类中当执行parseKeyConvertor方法时applicationContext为null #573

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zhoujibo opened this issue Apr 8, 2021 · 2 comments
Open

Spring Boot 中使用自定义keyConverter，DefaultSpringKeyConvertorParser类中当执行parseKeyConvertor方法时applicationContext为null #573

zhoujibo opened this issue Apr 8, 2021 · 2 comments

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@zhoujibo
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zhoujibo commented Apr 8, 2021 •
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环境：
Spring Boot：2.3.9.RELEASE
jetcache：2.6.0

Spring Boot部分配置：

jetcache:
  statIntervalMinutes: 15
  areaInCacheName: false
  local:
    default:
      type: caffeine
      keyConvertor: myKeyConvertor
      limit: 100
  remote:
    default:
      type: redis.springdata
      keyConvertor: bean:myKeyConvertor
      valueEncoder: java
      valueDecoder: java
      keyPrefix: tecache

使用默认的keyConverter：fastjson没有问题
当使用自定义myKeyConvertor（此bean已在Spring Context中定义）时，启动应用后，当程序执行到DefaultSpringKeyConvertorParser类中parseKeyConvertor方法时applicationContext为null，报java.lang.NullPointerException，
stack信息如下：

Caused by: java.lang.NullPointerException
	at com.alicp.jetcache.anno.support.DefaultSpringKeyConvertorParser.parseKeyConvertor(DefaultSpringKeyConvertorParser.java:28) ~[jetcache-anno-2.6.0.jar:?]
	at com.alicp.jetcache.anno.support.ConfigProvider.parseKeyConvertor(ConfigProvider.java:90) ~[jetcache-anno-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.AbstractCacheAutoInit.parseGeneralConfig(AbstractCacheAutoInit.java:75) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.ExternalCacheAutoInit.parseGeneralConfig(ExternalCacheAutoInit.java:19) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.RedisSpringDataAutoConfiguration$SpringDataRedisAutoInit.initCache(RedisSpringDataAutoConfiguration.java:65) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.AbstractCacheAutoInit.process(AbstractCacheAutoInit.java:68) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.AbstractCacheAutoInit.afterPropertiesSet(AbstractCacheAutoInit.java:49) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1858) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1795) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:311) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.resolveBeanByName(AbstractAutowireCapableBeanFactory.java:453) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:527) ~[spring-context-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:497) ~[spring-context-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:650) ~[spring-context-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:228) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:318) ~[spring-context-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1425) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:657) ~[spring-beans-5.2.13.RELEASE.jar:5.2.13.RELEASE]
	... 21 more
@areyouok
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Collaborator

非常感谢，这个问题确实存在。

但是我想用更简单的方式来修复。这个问题是在jetcache-autoconfigure里面导致的，因此也应该在jetcache-autoconfigure里面修。

我已提交一个修复：
4744330

你的PR我就关掉了。

@runzhenghengbin
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现在我用修复后的版本 还是出现上面的问题。且我是用test中的例子测试的

Caused by: java.lang.NullPointerException
	at com.alicp.jetcache.anno.support.DefaultSpringEncoderParser.parseEncoder(DefaultSpringEncoderParser.java:40) ~[jetcache-anno-2.6.0.jar:?]
	at com.alicp.jetcache.anno.support.ConfigProvider.parseValueEncoder(ConfigProvider.java:74) ~[jetcache-anno-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.ExternalCacheAutoInit.parseGeneralConfig(ExternalCacheAutoInit.java:22) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.RedisLettuceAutoConfiguration$RedisLettuceAutoInit.initCache(RedisLettuceAutoConfiguration.java:115) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.AbstractCacheAutoInit.process(AbstractCacheAutoInit.java:68) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at com.alicp.jetcache.autoconfigure.AbstractCacheAutoInit.afterPropertiesSet(AbstractCacheAutoInit.java:49) ~[jetcache-autoconfigure-2.6.0.jar:?]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1853) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1790) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:311) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.resolveBeanByName(AbstractAutowireCapableBeanFactory.java:453) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:527) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:497) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:650) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:239) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:130) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:318) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1420) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	... 20 more
`

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@areyouok @runzhenghengbin @zhoujibo