@Cacheable缓存问题记录

最新推荐文章于 2025-07-07 16:56:10 发布

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最新推荐文章于 2025-07-07 16:56:10 发布 · 9.6k 阅读

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#Cache

本文记录了在Spring中使用@Cacheable注解时遇到的问题，特别是在DAO或Repository层使用时，若直接使用key会导致其被认定为null。解决方案是通过KeyGenerator自定义键生成策略，确保缓存的正确性。同时，需要注意@EnableCaching的启用位置，避免重复配置。

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java.lang.IllegalArgumentException: Null key returned for cache operation (maybe you are using named params on classes without debug info?) Builder[public final java.util.List com.sun.proxy.$Proxy132.findByRoleNoLevel(java.lang.String,java.lang.String)] caches=[supermarketCache] | key='#roleId' | keyGenerator='' | cacheManager='' | cacheResolver='' | condition='' | unless='' | sync='false'
    at org.springframework.cache.interceptor.CacheAspectSupport.generateKey(CacheAspectSupport.java:550) ~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.cache.interceptor.CacheAspectSupport.findCachedItem(CacheAspectSupport.java:490) ~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:373) ~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:317) ~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.cache.interceptor.CacheInterceptor.invoke(CacheInterceptor.java:61) ~[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at com.sun.proxy.$Proxy133.findByRoleNoLevel(Unknown Source) ~[na:na]
    at com.joypay.supermarket.service.system.impl.PurviewServiceImpl.findByRoleAndParent(PurviewServiceImpl.java:32) ~[classes/:na]
    at com.joypay.supermarket.service.system.impl.PurviewServiceImpl$$FastClassBySpringCGLIB$$7e6dd22f.invoke(<generated>) ~[classes/:na]
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746) ~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java: