0 Replies Latest reply on Nov 19, 2008 9:56 AM by Octavian Pop

    Serialize/deserialize Stateful bean

    Octavian Pop Newbie

      Our application uses stateful beans which are configured to be added in a EJB3SFSBClusteredCache cache.
      The EJB3SFSBClusteredCache cache loader is configured to use a DB table.

      We want to use the DB as a persistence layer to store all stateful beans and be able to load serialized beans after JBoss restarts.

      We managed to persist stateful beans to DB, but when jboss is stopped the corresponding records (for stateful beans) are deleted from DB.

      It is possible to store stateful beans and load them after restart?
      If possible, how can I identify a specific bean used before JBoss restart, to continue the operations on the same object?

      If someone can give some guidelines or best practices it would be helpful.

      The cache loader configuration from ejb3-clustered-sfsbcache-service.xml is as below:

      <attribute name="CacheLoaderConfiguration">
       <config>
       <passivation>false</passivation>
       <preload></preload>
       <shared>false</shared>
       <cacheloader>
       <properties>
       cache.jdbc.table.name=jbosscache
       cache.jdbc.table.create=true
       cache.jdbc.table.drop=false
       cache.jdbc.table.primarykey=jbosscache_pk
       cache.jdbc.fqn.column=fqn
       cache.jdbc.fqn.type=varchar(255)
       cache.jdbc.node.column=node
       cache.jdbc.node.type=blob
       cache.jdbc.parent.column=parent
       cache.jdbc.driver=oracle.jdbc.OracleDriver
       cache.jdbc.url=jdbc:oracle:thin:@192.168.3.10:1521:orcl
       cache.jdbc.user=util
       cache.jdbc.password=pass
       cache.jdbc.sql-concat=concat(1,2)
       </properties>
       <class>org.jboss.cache.loader.JDBCCacheLoader</class>
       <async>false</async>
       <fetchPersistentState>true</fetchPersistentState>
       <ignoreModifications>false</ignoreModifications>
       <!--purgeOnStartup>false</purgeOnStartup-->
       </cacheloader>
       </config>
       </attribute>


      Regards.