Configuring EHCache for Spring3.1.1 and Hibernate

Question

I am attempting to enable object caching in an existing Spring 3.1.1 application with Hibernate 3.5.5. I am using ehcache 2.2.0. In my applicationContext I have added the configuration to switch on caching with EHCache.

<cache:annotation-driven />
<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager"
    p:cache-manager="ehcache" />
<bean id="ehcache"
    class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"
    p:config-location="ehcache.xml" />

I then created the ehcache.xml file:

<diskStore path="java.io.tmpdir" />

<defaultCache 
    eternal="false" 
    maxElementsInMemory="1000"
    overflowToDisk="false" 
    diskPersistent="false" 
    timeToIdleSeconds="0"
    timeToLiveSeconds="0" 
    memoryStoreEvictionPolicy="LRU"/>

<cache name="studentCache" 
    eternal="false"
    maxElementsInMemory="10000" 
    overflowToDisk="false" 
    diskPersistent="false"
    timeToIdleSeconds="0" 
    timeToLiveSeconds="0"
    memoryStoreEvictionPolicy="LRU" /> 

I added the necessary dependencies in the pom.xml file for ehcache. But now I am getting this error:

Initialization of bean failed; 
nested exception is org.springframework.beans.ConversionNotSupportedException: 
Failed to convert property value of type 'java.lang.String' to required type
'net.sf.ehcache.CacheManager' for property 'cacheManager'; 
nested exception is java.lang.IllegalStateException: 
Cannot convert value of type [java.lang.String] to required type
[net.sf.ehcache.CacheManager] for property 'cacheManager': 
no matching editors or conversion strategy found

Does anyone have any idea what is causing this?

Solution 1

You need to reference your cacheManager property differently. This is how I have it working:

<cache:annotation-driven />
<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager">
 <property name="cacheManager"><ref local="ehcache"/></property>
</bean>
<bean id="ehcache" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean" p:configLocation="classpath:ehcache.xml"/>

Solution 2

@aweigold 's answer is perfect but a clearer solution can be achieved if you pass the reference of "ehcache" bean using "p:cacheManager-ref".

<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager"
    p:cacheManager-ref="ehcache" />

Solution 3

Include the below dependency

<dependency>
    <groupId>net.sf.ehcache</groupId>
    <artifactId>ehcache-core</artifactId>
    <version>2.3.1</version>
</dependency>

Solution 4

The same as in last post only without mistake in attribute name:

<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager" p:cacheManager-ref="ehcache" />

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Comments

[emrahkocaman]

Thanks @Bogdan, I've fixed the typo.