Spring 3.1 ehCache in jar and war where jar will be used within war: XML configuration

Question

In my Project I have been using ABC jar within XYZ war, both implementing ehCache with Spring 3.1,xml-driven configuration(we have ehCache.xml and then spring-context.xml where we are intercepting cache through Spring AOP in both the projects). And we are getting following error:

java.lang.IllegalArgumentException: Cannot find cache named [xxxxxx] for CacheableOperation[] caches=[Cxxxxxxxx] | condition='' | key='#xxxxxxxxxxxxx' 
at org.springframework.cache.interceptor.CacheAspectSupport.getCaches(CacheAspectSupport.java:163) [spring-context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.cache.interceptor.CacheAspectSupport$CacheOperationContext.<init>(CacheAspectSupport.java:443) [spring-context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.cache.interceptor.CacheAspectSupport.getOperationContext(CacheAspectSupport.java:173) [spring-context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.cache.interceptor.CacheAspectSupport.createOperationContext(CacheAspectSupport.java:404) [spring-context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:192) [spring-context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.cache.interceptor.CacheInterceptor.invoke(CacheInterceptor.java:66) [spring-context-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90) [spring-aop-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622) [spring-aop-3.1.2.RELEASE.jar:3.1.2.RELEASE]
    at com.infy.flypp.dao.ContentDAO$$EnhancerByCGLIB$$9443481.getContentById(<generated>) [cglib-2.2.2.jar:] 

Answer 1

Solution:

This is how we solved this issue:

1. We copied all the cache configuration from ABCehCache.xml(from ABC jar) to XYZehCache.xml(from XYZ war).
2. We deleted the ABCehCache.xml(from ABC jar) but all the configuration(like bean instantiation for ehCache.xml and Spring AOP) inside ABC-spring.xml will remain same.
3. In XYZ-spring.xml, We imported ABC-spring.xml and defined composite cache manager.

Supported Configuration files:

ABC-spring.xml:

    <aop:aspectj-autoproxy proxy-target-class="true" />

    <bean id="CacheManager1" class="org.springframework.cache.ehcache.EhCacheCacheManager">
        <property name="cacheManager" ref="ehcache"></property>
    </bean>

    <bean id="ehcache"
        class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"
        p:config-location="classpath:ABCEhcache.xml" />

XYZ-spring.xml:

<import resource="classpath*:ABC-spring.xml" />
<aop:aspectj-autoproxy proxy-target-class="true" />

    <bean id="cacheManager" class="org.springframework.cache.support.CompositeCacheManager">
    <property name="cacheManagers">
        <array>
            <ref bean="CacheManager1" />
            <ref bean="CacheManager2" />
        </array>
    </property>
    <property name="fallbackToNoOpCache" value="true" />
</bean>

    <bean id="CacheManager2" class="org.springframework.cache.ehcache.EhCacheCacheManager"
        p:cache-manager-ref="ehcache" />
    <bean id="ehcache"
        class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"
        p:config-location="classpath:XYZEhcache.xml" />

Hope this will help!!