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POWhy my 2nd level cache implementation runs into error?
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  1. POWhy my 2nd level cache implementation runs into error?
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    copied!<p>I am trying to implement second-level cache on my application, but it returns following error. I am suspicious to the setCacheMode.</p> <p><strong>Hibernate.cfg.xml</strong></p> <pre><code> ... &lt;property name="cache.provider_class"&gt; org.hibernate.cache.EhCacheProvider &lt;/property&gt; &lt;property name="hibernate.cache.use_query_cache"&gt;true&lt;/property&gt; ... </code></pre> <p><strong>Product.Java</strong></p> <pre><code>public class Product implements Serializable { ... @Id @GeneratedValue @Column(name = "id") @Cache(usage= CacheConcurrencyStrategy.READ_ONLY) public long getID() { return ID; } ... } </code></pre> <p><strong>Model.Java</strong></p> <pre><code>.... final Session session = HibernateUtil.getSession(); try { final Transaction tx = session.beginTransaction(); try { Product product = (Product) session.get(Product.class, id); session.setCacheMode(CacheMode.NORMAL); tx.commit(); return product; } catch (Exception e) { tx.rollback(); e.printStackTrace(); } } finally { HibernateUtil.closeSession(); } ..... </code></pre> <p><strong>Error</strong></p> <pre><code>INFO: ** Exception in SessionFactory ** SEVERE: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.spi.CacheImplementor] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:186) at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:150) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131) at org.hibernate.internal.SessionFactoryImpl.&lt;init&gt;(SessionFactoryImpl.java:264) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1760) at com.my.util.HibernateUtil.configureSessionFactory(HibernateUtil.java:26) at com.my.util.HibernateUtil.&lt;clinit&gt;(HibernateUtil.java:43) at com.my.controller.Default.execute(Default.java:29) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:446) at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:285) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256) at ..... </code></pre> <p><strong>Util</strong></p> <pre><code> private static SessionFactory configureSessionFactory() { try { Configuration configuration = new Configuration(); configuration.configure(); serviceRegistry = new ServiceRegistryBuilder() .applySettings(configuration.getProperties()) .buildServiceRegistry(); sessionFactory = configuration.buildSessionFactory(serviceRegistry); return sessionFactory; } catch (HibernateException e) { System.out.append("** Exception in SessionFactory **"); e.printStackTrace(); } return sessionFactory; } </code></pre>
 

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