Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cache' defined in class path resource [com/copyfuture/web/copyfutureweb/configurer/CacheConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.github.benmanes.caffeine.cache.Cache]: Factory method 'cache' threw exception; nested exception is java.lang.IllegalStateException: refreshAfterWrite requires a LoadingCache	at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627)	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:607)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1305)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1144)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849)	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)	at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:127)	at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99)	at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117)	... 24 moreCaused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.github.benmanes.caffeine.cache.Cache]: Factory method 'cache' threw exception; nested exception is java.lang.IllegalStateException: refreshAfterWrite requires a LoadingCache	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)	at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622)	... 42 moreCaused by: java.lang.IllegalStateException: refreshAfterWrite requires a LoadingCache	at com.github.benmanes.caffeine.cache.Caffeine.requireState(Caffeine.java:194)	at com.github.benmanes.caffeine.cache.Caffeine.requireNonLoadingCache(Caffeine.java:1015)	at com.github.benmanes.caffeine.cache.Caffeine.build(Caffeine.java:921)	at com.copyfuture.web.copyfutureweb.configurer.CacheConfig.cache(CacheConfig.java:58)	at com.copyfuture.web.copyfutureweb.configurer.CacheConfig$$EnhancerBySpringCGLIB$$600e6612.CGLIB$cache$0(<generated>)	at com.copyfuture.web.copyfutureweb.configurer.CacheConfig$$EnhancerBySpringCGLIB$$600e6612$$FastClassBySpringCGLIB$$ac98c0d2.invoke(<generated>)	at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)	at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363)	at com.copyfuture.web.copyfutureweb.configurer.CacheConfig$$EnhancerBySpringCGLIB$$600e6612.cache(<generated>)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)	... 43 more
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Factory method 'cache' threw exception; nested exception is java.lang.IllegalStateException: refreshAfterWrite requires a LoadingCache  1

public class CacheConfig {

    /**     * 相当于在构建LoadingCache对象的时候 build()方法中指定过期之后的加载策略方法     * 必须要指定这个Bean，refreshAfterWrite=60s属性才生效     * @return     */    @Bean    public CacheLoader<String, Object> cacheLoader() {        CacheLoader<String, Object> cacheLoader = new CacheLoader<String, Object>() {            @Override            public Object load(String key) throws Exception {                return null;            }            // 重写这个方法将oldValue值返回回去，进而刷新缓存            @Override            public Object reload(String key, Object oldValue) throws Exception {                return oldValue;            }        };        return cacheLoader;    }
    @Bean    public Cache<String, Object> cache(CacheLoader<String, Object> cacheLoader) {        return Caffeine.newBuilder()                // 创建缓存或者最近一次更新缓存后经过固定的时间间隔，刷新缓存 最后一次写入后经过固定时间过期                .refreshAfterWrite(3600L, TimeUnit.SECONDS)                // 初始的缓存空间大小                .initialCapacity(100)                // 缓存的最大条数                .maximumSize(100000)                //软引用                .softValues()                .build(cacheLoader);    }}1234567891011121314151617181920212223242526272829303132333435363738