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POHibernate 2nd level cache
 

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    <p>Hi I've run into some problems with hibernate 2nd level cache. As cache provider I use ehcache.</p> <p>Part of config from persistence.xml</p> <pre><code>&lt;property name="hibernate.cache.use_second_level_cache" value="true"/&gt; &lt;property name="hibernate.cache.provider_class" value="net.sf.ehcache.hibernate.EhCacheProvider" /&gt; &lt;property name="hibernate.cache.provider_configuration_file_resource_path" value="/ehcache.xml" /&gt; </code></pre> <p>I configure my entities using annotations so:</p> <pre>@Cache(region = "Kierunek", usage = CacheConcurrencyStrategy.READ_WRITE) public class Kierunek implements Serializable {</pre> <p>imports for those annotations are: <code>import org.hibernate.annotations.Cache; import org.hibernate.annotations.CacheConcurrencyStrategy;</code></p> <p>my ehcache.xml</p> <p></p> <pre><code>&lt;diskStore path="java.io.tmpdir" /&gt; &lt;defaultCache maxElementsInMemory="10000" eternal="false" timeToIdleSeconds="120" timeToLiveSeconds="120" overflowToDisk="true" diskSpoolBufferSizeMB="30" maxElementsOnDisk="10000000" diskPersistent="false" diskExpiryThreadIntervalSeconds="120" memoryStoreEvictionPolicy="LRU" /&gt; &lt;cache name="Kierunek" maxElementsInMemory="1000" eternal="true" overflowToDisk="false" memoryStoreEvictionPolicy="LRU" /&gt; </code></pre> <p></p> <p>And anyone idea why i get following error ?</p> <pre><code>WARNING: Could not find a specific ehcache configuration for cache named [persistence.unit:unitName=pz2EAR.ear/pz2EJB.jar#pz2EJB.Kierunek]; using defaults. 19:52:57,313 ERROR [AbstractKernelController] Error installing to Start: name=persistence.unit:unitName=pz2EAR.ear/pz2EJB.jar#pz2EJB state=Create java.lang.IllegalArgumentException: Cache name cannot contain '/' characters. </code></pre> <p>solution is to add another property to persistence.xml</p> <pre><code>&lt;property name="hibernate.cache.region_prefix" value=""/&gt; </code></pre> <p>and that removes that faulty prefix big thx ruslan!</p>
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    1. COYou should fully spell out the word "level" instead of "lvl". It's more readable and seachable.
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    2. COYou are right. I was writing this being rather frustrated so I didn't thought about it ^^ thanks
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