$Proxy32 是JDK的动态代理了 return "service hello"; } 此处做一步输出，我们发现this代表还是本对象。...获得这个代理对象的一个副本（ThreadLocal里面）,从而我们可以很方便得在Spring框架上下文中拿到当前代理对象（处理事务时很方便） // 必须为true才能调用AopContext得方法，否则报错：Cannot...find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available....boolean exposeProxy() default false; } 当然，最重点的，还是这一句@Import(AspectJAutoProxyRegistrar.class)，下面看看它 AspectJAutoProxyRegistrar...)) { BeanDefinition apcDefinition = registry.getBeanDefinition(AUTO_PROXY_CREATOR_BEAN_NAME);
: Cannot find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available....: Cannot find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available....: Cannot find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available....("Cannot find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available.");...AopContext.setCurrentProxy(oldProxy); } } } } so，最终决定是否会调用set方法是由this.advised.exposeProxy这个值决定的
* Will contain {@code null} unless the "exposeProxy" property on * the controlling proxy configuration...has been set to "true"...setExposeProxy */ private static final ThreadLocal currentProxy = new NamedThreadLocal("Current...== null) { throw new IllegalStateException( "Cannot find current proxy: Set...= null) { currentProxy.set(proxy); } else { currentProxy.remove();
：其实原因很简单，Spring在扫描Bean的时候会自动为标注了@Transactional注解的类生成一个代理类（proxy）,当有注解的方法被调用的时候，实际上是代理类调用的，代理类在调用之前会开启事务...注意：一定要注意启动类上要添加@EnableAspectJAutoProxy(exposeProxy = true)注解，否则启动报错： java.lang.IllegalStateException:...Cannot find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available....com.qxy.common.service.impl.ClassServiceImpl$$FastClassBySpringCGLIB$$a1c03d8.invoke() at org.springframework.cglib.proxy.MethodProxy.invoke
(registry); } //拿到exposeProxy属性 boolean exposeProxy = Boolean.parseBoolean(sourceElement.getAttribute...(EXPOSE_PROXY_ATTRIBUTE)); if (exposeProxy) { //强制将代理bean暴露到aopcontext中去 AopConfigUtils.forceAutoProxyCreatorToExposeProxy...获得这个代理对象的一个副本（ThreadLocal里面）,从而我们可以很方便得在Spring框架上下文中拿到当前代理对象（处理事务时很方便） // 必须为true才能调用AopContext得方法，否则报错：Cannot...find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available.... candidates = new LinkedHashSet(configCandidates); Set
for target class '%s' but cannot " + "be delegated to target bean....除非控制代理配置上的“exposeProxy”属性设置为“true”，否则将包含 null。...*/ private static final ThreadLocal currentProxy = new NamedThreadLocal("Current AOP proxy...(); if (proxy == null) { throw new IllegalStateException( "Cannot find current proxy: Set '...= null) { currentProxy.set(proxy); } else { currentProxy.remove(); } return old; } }
当然还有对proxy-target-class和expose-proxy的处理。...ThreadLocal，和当前上下文绑定的AOP对象 private static final ThreadLocal currentProxy = new NamedThreadLocal("Current..."Cannot find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available.");...= null) { currentProxy.set(proxy); } else { currentProxy.remove(); } return old; } }...备注：这个工具类主要是和属性exposeProxy相关，让我们能够快捷的获取到AOP代理对象，而不是this对象。
NestedComponent nestedComponent1) { this.nestedComponent1 = nestedComponent1; } 1.3 //自己注入自己 报错了 Cannot...find current proxy: Set 'exposeProxy' property on Advised to 'true' to make it available.
Callback targetInterceptor; if (exposeProxy) { targetInterceptor = isStatic ?...isFrozen) { // If exposing the proxy, then AOP_PROXY must be used....if (exposeProxy) { if (logger.isDebugEnabled()) { logger.debug("Must expose proxy on advised method...If the target is not static, then // cannot use a dispatcher because the target cannot be released....if (exposeProxy || !isStatic) { return INVOKE_TARGET; } Class<?
解决方法：去掉即可 问题2： java.lang.IllegalStateException: No Executor found....org.apache.flink.client.program.ProgramInvocationException: The main method caused an error: Could not find...11： org.apache.flink.client.deployment.ClusterDeploymentException Couldn’t deploy Yarn 出现此类错误，主要的原因是Current...-03-19 07:43:15,103 WARN org.apache.flink.runtime.util.HadoopUtils - Could not find...(Configuration.java:1329) at org.apache.hadoop.conf.Configuration.set(Configuration.java:1301
三、exposeProxy 上面我们分析invoke()方法的时候，有下面这段代码： // 如果 exposeProxy 属性为 true，则暴露代理对象 // exposeProxy...3.3、exposeProxy是如何起作用的？ 所以exposeProxy这个属性就是来解决这个问题的，那么它是如何起作用的呢？.../存储代理对象 ThreadLocal private static final ThreadLocal currentProxy = new NamedThreadLocal("Current...(); if (proxy !...= null) { //存储代理对象到 ThreadLocal currentProxy.set(proxy); } else { currentProxy.remove(
The specified item cannot be set in the current playlist.%0 0xC00D1074 Windows Media Player cannot perform...0 0xC00D10C0 Cannot change the proxy name if the proxy setting is not set to custom.%0 0xC00D10C1 Cannot...change the proxy port if the proxy setting is not set to custom.%0 0xC00D10C2 Cannot change the proxy...exception list if the proxy setting is not set to custom.%0 0xC00D10C3 Cannot change the proxy bypass...flag if the proxy setting is not set to custom.%0 0xC00D10C4 Cannot find the specified protocol.%0 0xC00D10C5
beanClass the class of the bean * @param beanName the name of the bean * @param specificInterceptors the set...config.getTargetClass(); if (targetClass == null) { throw new AopConfigException("TargetSource cannot...or a JDK dynamic proxy....flag is set the proxyTargetClass flag is set no proxy interfaces have been specified In general, specify...* @since 4.3.1 */ boolean exposeProxy() default false; } 可以看到该注解导入了AspectJAutoProxyRegistrar类（@
* * Finds any {@link #equals} or {@link #hashCode} method that may be defined * on the supplied set...targetSource可以完成重用111 targetSource.releaseTarget(target); } if (setProxyContext) { // 把老的代理对象重新set...> proxySuperClass, @Nullable ClassLoader proxyClassLoader, SetexposeProxy属性决定是否需要将当前对象暴露到AopContext中去 boolean exposeProxy = this.advised.isExposeProxy(); //是否需要冻结配置...if (exposeProxy) { if (logger.isTraceEnabled()) { logger.trace("Must expose proxy on advised
null) { throw new IllegalStateException( "No executor specified and no default executor set...回到前边构造切入点操作: protected Pointcut buildPointcut(Set<Class<?...config.getTargetClass(); if (targetClass == null) { throw new AopConfigException("TargetSource cannot...TaskExecutor.class); } catch (NoUniqueBeanDefinitionException ex) { logger.debug("Could not find...NoSuchBeanDefinitionException ex2) { } } catch (NoSuchBeanDefinitionException ex) { logger.debug("Could not find
SpringAOP默认使用代理模式实现的，也就是JDK Proxy/CGLib。关于代理以及JDK Proxy和CGLib不在赘述了。 ?...Note 会有循环依赖的问题，使用 @Lazy解决 方法2 - AopContext.currentProxy() 获取当前代理对象 使用 首先需要配置 @EnableAspectJAutoProxy(exposeProxy...ThreadLocal来实现的 private static final ThreadLocal currentProxy = new NamedThreadLocal("Current...AOP proxy"); 然后就是Spring Aop自动设置代理，设置 exposeProxy属性的问题了。.../ https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/scheduling/annotation
- BOOST_INCLUDE_DIR BOOST_INCLUDE_DIR-NOTFOUND -- LOCAL_BOOST_DIR -- LOCAL_BOOST_ZIP -- Could not find...If you are inside a firewall, you may need to use an http proxy: export http_proxy=http://example.com...sample'; ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot...Type '\c' to clear the current input statement....the current policy requirements ######设置当前root用户密码 mysql> set password='your password'; Query OK, 0 rows
java.lang.IllegalStateException: codebase property already set: codebase.elasticsearch-analysis-ik ->...file:/usr/share/elasticsearch/plugins/ik/elasticsearch-analysis-ik-7.14.1.jar, cannot set to file:/usr...uncaught exception in thread [main]", "stacktrace": ["org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException...plugins/ik/elasticsearch-analysis-ik-7.14.1.jar, cannot set to file:/usr/share/elasticsearch/plugins/...plugins/ik/elasticsearch-analysis-ik-7.14.1.jar, cannot set to file:/usr/share/elasticsearch/plugins/
config.getTargetClass(); if (targetClass == null) { throw new AopConfigException("TargetSource cannot...if (exposeProxy) { targetInterceptor = isStatic ?...} // Choose a "direct to target" dispatcher (used for // unadvised calls to static targets that cannot...if (exposeProxy) { if (logger.isDebugEnabled()) { logger.debug("Must expose proxy on advised method...if (exposeProxy || !
SpringAOP默认使用代理模式实现的，也就是JDK Proxy/CGLib。关于代理以及JDK Proxy和CGLib不在赘述了。 ?...Note 会有循环依赖的问题，使用 @Lazy解决 方法2 - AopContext.currentProxy() 获取当前代理对象 使用 首先需要配置 @EnableAspectJAutoProxy(exposeProxy...ThreadLocal来实现的private static final ThreadLocal currentProxy = new NamedThreadLocal("Current...AOP proxy"); 然后就是Spring Aop自动设置代理，设置 exposeProxy属性的问题了。.../ https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/scheduling/annotation
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