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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 1 post ] 
Author Message
 Post subject: Exception with hibernate 2nd level cache
PostPosted: Mon May 20, 2013 4:20 am 
Newbie

Joined: Thu May 16, 2013 3:52 am
Posts: 2
Hello,
I get an NotSerializableException when trying to use 2nd level cahce using ehcache with offheap overflow. Hibernate is using ProxyFactoryFactoryImpl for using a composite-id inside CoverRuleMD. It looks like hibernate is trying to serialize the composite-id into a cache which fails it is not Serializable object. Notice: it is not the POJO who contains the javaassist proxy, it is a composite-id object with javaassist proxy which is failing in the cache.

Is there any option to disable creating Proxy for composite ID, or to mark ProxyFactoryFactoryImpl as transient?

Thanks
Code:
Exception:


Caused by: net.sf.ehcache.CacheException: Failure while encoding key com.idi.policy.premium.common.vo.ifc.CoverRuleMD#com.idi.policy.premium.common.vo.ifc.CoverRuleMD_$$_javassist_41@26421488
        at net.sf.ehcache.store.offheap.portability.EhcacheKeyPortability.encode(EhcacheKeyPortability.java:44)
        at net.sf.ehcache.store.offheap.portability.EhcacheKeyPortability.encode(EhcacheKeyPortability.java:24)
        at com.terracottatech.offheapstore.storage.PortabilityBasedStorageEngine.writeMapping(PortabilityBasedStorageEngine.java:55)
        at com.terracottatech.offheapstore.OffHeapHashMap.tryWriteEntry(OffHeapHashMap.java:656)
        at com.terracottatech.offheapstore.OffHeapHashMap.writeEntry(OffHeapHashMap.java:640)
        at com.terracottatech.offheapstore.OffHeapHashMap.put(OffHeapHashMap.java:391)
        at com.terracottatech.offheapstore.AbstractLockedOffHeapHashMap.put(AbstractLockedOffHeapHashMap.java:132)
        at com.terracottatech.offheapstore.AbstractOffHeapClockCache.putPinned(AbstractOffHeapClockCache.java:263)
        at com.terracottatech.offheapstore.concurrent.AbstractConcurrentOffHeapCache.putPinned(AbstractConcurrentOffHeapCache.java:185)
        at net.sf.ehcache.store.offheap.OffHeapStore.putFaulted(OffHeapStore.java:417)
        at net.sf.ehcache.store.CacheStore$2.call(CacheStore.java:143)
        at net.sf.ehcache.store.CacheStore$2.call(CacheStore.java:140)
        at net.sf.ehcache.store.cachingtier.OnHeapCachingTier$Fault.get(OnHeapCachingTier.java:309)
        at net.sf.ehcache.store.cachingtier.OnHeapCachingTier$Fault.access$200(OnHeapCachingTier.java:283)
        at net.sf.ehcache.store.cachingtier.OnHeapCachingTier.get(OnHeapCachingTier.java:166)
        at net.sf.ehcache.store.CacheStore.put(CacheStore.java:140)
        at net.sf.ehcache.Cache.putInternal(Cache.java:1500)
        at net.sf.ehcache.Cache.put(Cache.java:1426)
        at net.sf.ehcache.Cache.put(Cache.java:1391)
        at net.sf.ehcache.hibernate.regions.EhcacheTransactionalDataRegion.put(EhcacheTransactionalDataRegion.java:141)
        ... 93 more
Caused by: java.io.NotSerializableException: org.hibernate.bytecode.javassist.ProxyFactoryFactoryImpl$1
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
        at net.sf.ehcache.store.offheap.portability.AbstractEhcachePortability.writeSerializables(AbstractEhcachePortability.java:104)
        at net.sf.ehcache.store.offheap.portability.AbstractEhcachePortability.writeObjects(AbstractEhcachePortability.java:64)
        at net.sf.ehcache.store.offheap.portability.EhcacheKeyPortability.encode(EhcacheKeyPortability.java:39)
        ... 112 more



Spring configuration file : hibernateSession configuration:

<import resource="hibernateRegistry.xml"/>

                <!--Master Hibernate Session Configuration for VOs -->
                <bean id="hibernateVOInterceptor" class="com.idi.framework.server.hibernate.HibernateVOInterceptor"/>

                <bean id="hibernateSessionFactoryBean" class="com.idi.framework.server.hibernate.HibernateResourcesFactoryBean">
                                <property name="mappingResources" ref="hbmList"/>
                </bean>

                <bean id="VOSessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"
                      lazy-init="true">

                                <property name="entityInterceptor" ref="hibernateVOInterceptor"/>
                                <property name="mappingResources" ref="hibernateSessionFactoryBean"/>
                                <property name="hibernateProperties">
                                                <props>
                                                                <prop key="hibernate.dialect">com.idi.framework.server.hibernate.IDISybaseDialect</prop>
                                                                <prop key="hibernate.show_sql">false</prop>
                                                                <prop key="hibernate.connection.provider_class">
                                                                                com.idi.framework.server.hibernate.IDIConnectionProvider
                                                                </prop>
                                                                <prop key="current_session_context_class">thread</prop>
                                                                <!--<prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>-->
                                                                <!--http://ehcache.org/documentation/hibernate-upgrade.html-->
                                                                <!--http://ehcache.org/documentation/hibernate.html-->
                                                                <prop key="hibernate.cache.region.factory_class">net.sf.ehcache.hibernate.SingletonEhCacheRegionFactory</prop>
                                                                <prop key="hibernate.mapping.precedence">hbm</prop>
                                                                <prop key="hibernate.connection.release_mode">on_close</prop>
                                                                <prop key="hibernate.cache.use_query_cache">true</prop>
                                                                <!--this is a default but more expressive -->
                                                                <prop key="hibernate.cache.use_second_level_cache">true</prop>
                                                </props>
                                </property>
                </bean>


CoverRule.hbm.xml

<hibernate-mapping>
    <class name="com.idi.policy.premium.common.vo.ifc.CoverRuleMD" abstract="false" table="T_COVER_RULE">

        <cache usage="read-only" region="policy.premium"/>

        <composite-id>
            <key-property name="version" type="integer" column="VERSION"/>
            <key-property name="ruleId" type="integer" column="RULE_ID"/>

            <key-property name="classSurClass"
                          type="com.idi.policy.premium.server.model.types.ClassSurClassPairUserType">
                <column name="CLASS_CODE" not-null="true"/>
                <column name="SUR_CLASS_CODE" not-null="true"/>
            </key-property>

            <key-property name="identifier" type="com.idi.policy.premium.server.model.types.CoverMDIdentifierUserType">
                <column name="CHAPTER_CODE" not-null="true"/>
                <column name="COVER_CODE" not-null="true"/>
            </key-property>

            <key-property name="ruleType">
                <column name="RULE_TYPE" not-null="true"/>
                <type name="com.idi.general.common.model.usertypes.BasicKeyValueDataTypeUserType">
                    <param name="keyValueDataTypeClass">com.idi.general.constants.common.datatype.RuleType</param>
                </type>
            </key-property>
        </composite-id>

        <many-to-one name="rule" class="com.idi.rulable.engine.common.vo.ifc.RuleMD" lazy="false"
                     insert="false" update="false" fetch="join">
            <column name="RULE_ID"/>
        </many-to-one>
    </class>
</hibernate-mapping>



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