René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"希望支持 Jedis 3.x ","articleBody":"**希望能够支持Jedis 3.x。**\r\n\r\n### 个人建议\r\nConfigStorage Jedis的实现构造应该统一使用WxRedisOps来构造，因为不使用统一会出现以下问题。\r\n\r\n### 版本编号\r\n\r\n1. WxJava 3.8.0\r\n2. Jedis 3.2.0\r\n3. spring-boot-starter-data-redis 2.3\r\n\r\n### 问题体现\r\n\r\n#### 异常环境\r\n\r\n1. Java JDK 1.8.0_201\r\n2. centos-release-7-6.1810.2.el7.centos.x86_64\r\n\r\n#### 环境差异\r\n\r\n\u003e windows 10，jdk 1.8.0_171 下能正常运行。\r\n\r\n#### 代码实现\r\n```java\r\n    @Bean\r\n    public WxMpService wxMpService(StringRedisTemplate redis, WeChatConfig cfg) {\r\n        RedisTemplateWxRedisOps ops = new RedisTemplateWxRedisOps(redis);\r\n        WxMpRedisConfigImpl config = new WxMpRedisConfigImpl(ops, \"wx\");\r\n        config.setAppId(cfg.getAppId());\r\n        config.setSecret(cfg.getSecret());\r\n        config.setToken(cfg.getToken());\r\n        config.setAesKey(cfg.getEncodingAesKey());\r\n        WxMpService wxService = new WxMpServiceImpl();\r\n        wxService.setWxMpConfigStorage(config);\r\n        return wxService;\r\n    }\r\n\r\n```\r\n#### 异常日志\r\n```\r\norg.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'wechatController': Unsatisfied dependency expressed through field 'wxMpServiceMap'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'wxMpService' defined in class path resource [com/egu365/api/config/WebConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [me.chanjar.weixin.mp.api.WxMpService]: Factory method 'wxMpService' threw exception; nested exception is java.lang.NoClassDefFoundError: redis/clients/util/Pool\r\n\tat org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:643)\r\n\tat org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:130)\r\n\tat org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)\r\n\tat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1422)\r\n\tat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594)\r\n\tat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)\r\n\tat org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323)\r\n\tat org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)\r\n\tat org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)\r\n\tat org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)\r\n\tat org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:895)\r\n\tat org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878)\r\n\tat org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)\r\n\tat org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143)\r\n\tat org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)\r\n\tat org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)\r\n\tat org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)\r\n\tat org.springframework.boot.SpringApplication.run(SpringApplication.java:315)\r\n\tat org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)\r\n\tat org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)\r\n\tat com.egu365.api.Egu365RestApiApplication.main(Egu365RestApiApplication.java:19)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)\r\n\tat org.springframework.boot.loader.Launcher.launch(Launcher.java:109)\r\n\tat org.springframework.boot.loader.Launcher.launch(Launcher.java:58)\r\n\tat org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)\r\nCaused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'wxMpService' defined in class path resource [com/egu365/api/config/WebConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [me.chanjar.weixin.mp.api.WxMpService]: Factory method 'wxMpService' threw exception; nested exception is java.lang.NoClassDefFoundError: redis/clients/util/Pool\r\n\tat org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:656)\r\n\tat org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:636)\r\n\tat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338)\r\n\tat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)\r\n\tat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557)\r\n\tat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)\r\n\tat org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323)\r\n\tat org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)\r\n\tat org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)\r\n\tat org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)\r\n\tat org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)\r\n\tat org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1524)\r\n\tat org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1488)\r\n\tat org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveMultipleBeans(DefaultListableBeanFactory.java:1407)\r\n\tat org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1264)\r\n\tat org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1226)\r\n\tat org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640)\r\n\t... 28 common frames omitted\r\nCaused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [me.chanjar.weixin.mp.api.WxMpService]: Factory method 'wxMpService' threw exception; nested exception is java.lang.NoClassDefFoundError: redis/clients/util/Pool\r\n\tat org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)\r\n\tat org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:651)\r\n\t... 44 common frames omitted\r\nCaused by: java.lang.NoClassDefFoundError: redis/clients/util/Pool\r\n\tat com.egu365.api.config.WebConfig.wxMpService(WebConfig.java:212)\r\n\tat com.egu365.api.config.WebConfig$$EnhancerBySpringCGLIB$$14eddc6.CGLIB$wxMpService$22(\u003cgenerated\u003e)\r\n\tat com.egu365.api.config.WebConfig$$EnhancerBySpringCGLIB$$14eddc6$$FastClassBySpringCGLIB$$3f0fb69c.invoke(\u003cgenerated\u003e)\r\n\tat org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)\r\n\tat org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)\r\n\tat com.egu365.api.config.WebConfig$$EnhancerBySpringCGLIB$$14eddc6.wxMpService(\u003cgenerated\u003e)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)\r\n\t... 45 common frames omitted\r\nCaused by: java.lang.ClassNotFoundException: redis.clients.util.Pool\r\n\tat java.net.URLClassLoader.findClass(URLClassLoader.java:382)\r\n\tat java.lang.ClassLoader.loadClass(ClassLoader.java:424)\r\n\tat org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:129)\r\n\tat java.lang.ClassLoader.loadClass(ClassLoader.java:357)\r\n\t... 56 common frames omitted\r\n\r\n```\r\n#### 原因分析\r\n使用Spring Data Redis，本生的目的是屏蔽Jedis客户端复杂和版本差异。\r\n```\r\nRedisTemplateWxRedisOps ops = new RedisTemplateWxRedisOps(template);\r\n```\r\n使用RedisTemplateWxRedisOps时，只要SpringDataRedis能正常运行，WxMpRedisConfigImpl也应该能正常运行。\r\n\r\n- 但由于windows 和linux下的jdk对class加载方式有差异。\r\n\r\n```java\r\n // 编号1\r\n // 未使用的构造\r\n  public WxMpRedisConfigImpl(JedisPool jedisPool) {\r\n    this(new JedisWxRedisOps(jedisPool), \"wx\");\r\n  }\r\n // 编号2\r\n // 使用的构造器\r\n  public WxMpRedisConfigImpl(WxRedisOps redisOps, String keyPrefix) {\r\n    this.redisOps = redisOps;\r\n    this.keyPrefix = keyPrefix;\r\n  }\r\n```\r\n理论上来说，使用2号构造器，应该能正常使用，但是在Linux环境，Jdk确会加载1号构造器的依赖关系。\r\n如果移除1号构造号，统一WxRedisOps来构造，就可以避免这样的问题。\r\nWxMpRedisConfigImpl和JedisWxRedisOps(JedisPool  jedisPool)没有直接依赖关系。也就不会去加载redis.clients.util.Pool。\r\n\r\n- 这样能够统一依赖，降压依赖的复杂程度。\r\n- 能够更加灵活，如果有特殊实现，也只需关注WxRedisOps接口。\r\n\r\n_ 以上仅个人建议，希望项目越来越完善，成代码中最靓的仔 _","author":{"url":"https://github.com/prosaically","@type":"Person","name":"prosaically"},"datePublished":"2020-06-28T11:46:43.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/1647/WxJava/issues/1647"}