Spring MVC配置缓存后启动报错：无法找到CacheInterceptor

Hey there, let's work through this issue step by step. That error you're seeing is a classic sign your application can't find the required Spring Cache classes at runtime—here's how to fix it:

1. Your Spring version doesn't support Cache functionality #

Looking at your XML schema configuration, you're referencing Spring 3.0 (spring-beans-3.0.xsd, spring-context-3.0.xsd), but Spring Cache was only introduced in Spring 3.1. The CacheInterceptor class simply doesn't exist in Spring 3.0, which is why you're hitting this error.

Fix: Upgrade to Spring 3.1 or later #

• Update your XML schema locations to match a supported version. For example, adjust your xsi:schemaLocation like this:

  xsi:schemaLocation="
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
      http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
      http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-3.1.xsd"
  

• Ensure all your Spring dependencies (core, context, mvc, etc.) are updated to the same 3.1+ version to avoid version conflicts.

2. Missing Spring Cache dependencies #

Even after upgrading to Spring 3.1+, you need to include the correct JARs for caching support. The CacheInterceptor class lives in the spring-context-support module.

If using Maven, add this dependency: #

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context-support</artifactId>
    <version>3.1.4.RELEASE</version> <!-- Use your upgraded Spring version here -->
</dependency>

If manually managing JARs: #

Download spring-context-support-[version].jar and add it to your project's classpath. Make sure its version matches your other Spring JARs exactly.

3. Verify your complete cache configuration #

You mentioned "其他配置已省略"—don't forget to add a valid cache manager bean, as <cache:annotation-driven /> needs one to function. A basic in-memory example looks like this:

<bean id="cacheManager" class="org.springframework.cache.support.SimpleCacheManager">
    <property name="caches">
        <set>
            <bean class="org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean" p:name="myCache"/>
        </set>
    </property>
</bean>

Final Checks #

• Clean your project's build directory (like target for Maven) to remove any old, conflicting JARs.
• Rebuild and redeploy your application to ensure all new dependencies are picked up.

That should resolve the NoClassDefFoundError and get your caching setup working properly!

内容的提问来源于stack exchange，提问作者khoa_chung_89