Hi, I've defined an MBean as a TreeCache and deployed to 5 servers in the same cluster. The find each other and I can see from the log that everything seems fine.
Inserting Strings in the cache works fine, they are replicated to all servers. However, when inserting a class of my own type I get this in the receiving ends: 16:07:58,834 ERROR [RpcDispatcher] | exception=java.lang.IllegalArgumentException: | java.lang.ClassNotFoundException: No ClassLoaders found for: | se.bonnier.bis.applications.testapp.SimplePojo And the object is not placed in the recievers cache. It can still be found in the cache from where it was placed though. It was my understanding that replicated objects are serialized pre sending them and then deserialized to Object by the reciever. Am I wrong or should this not cause a ClassNotFoundException? The application from which the MBean is deployed may not have access to all classes available to other deployed applications on the server, and therefore I find it strange that a distributed caching system cannot handle classes of unknown types to the current classloader. Is there a workaround I can use, have I missunderstood the whole concept of the cache or can someone point me in the right direction towards a solution? Thanks in advance /Emil Here is my MBean def: | <mbean code="org.jboss.cache.TreeCache" | name="jboss.cache:service=BisinfraCache"> | | <depends>jboss:service=Naming</depends> | <depends>jboss:service=TransactionManager</depends> | | | <!-- Configure the TransactionManager | <attribute name="TransactionManagerLookupClass">org.jboss.cache.DummyTransactionManagerLookup</attribute> | --> | <!-- | Node locking level : SERIALIZABLE | REPEATABLE_READ (default) | READ_COMMITTED | READ_UNCOMMITTED | NONE | --> | <attribute name="IsolationLevel">REPEATABLE_READ</attribute> | | <!-- Valid modes are LOCAL | REPL_ASYNC | REPL_SYNC | --> | <attribute name="CacheMode">REPL_ASYNC</attribute> | | <!-- Name of cluster. Needs to be the same for all clusters, in order | to find each other --> | <attribute name="ClusterName">bisinfra-application-cache-cluster</attribute> | | <attribute name="ClusterConfig"> | <config> | <!-- UDP: if you have a multihomed machine, | set the bind_addr attribute to the appropriate NIC IP address | --> | <!-- UDP: On Windows machines, because of the media sense feature | being broken with multicast (even after disabling media sense) | set the loopback attribute to true | --> | <UDP mcast_addr="228.1.2.3" mcast_port="45566" ip_ttl="64" ip_mcast="true" | mcast_send_buf_size="150000" mcast_recv_buf_size="80000" ucast_send_buf_size="150000" | ucast_recv_buf_size="80000" loopback="true" /> | <PING timeout="2000" num_initial_members="3" up_thread="false" down_thread="false" /> | <MERGE2 min_interval="10000" max_interval="20000" /> | <FD shun="true" up_thread="true" down_thread="true" /> | <VERIFY_SUSPECT timeout="1500" up_thread="false" down_thread="false" /> | <pbcast.NAKACK gc_lag="50" max_xmit_size="8192" retransmit_timeout="600,1200,2400,4800" up_thread="false" | down_thread="false" /> | <UNICAST timeout="600,1200,2400" window_size="100" min_threshold="10" down_thread="false" /> | <pbcast.STABLE desired_avg_gossip="20000" up_thread="false" down_thread="false" /> | <FRAG frag_size="8192" down_thread="false" up_thread="false" /> | <pbcast.GMS join_timeout="5000" join_retry_timeout="2000" shun="true" print_local_addr="true" /> | <pbcast.STATE_TRANSFER up_thread="false" down_thread="false" /> | </config> | </attribute> | | <!-- The max amount of time (in milliseconds) we wait until the | initial state (ie. the contents of the cache) are retrieved from | existing members in a clustered environment | --> | <attribute name="InitialStateRetrievalTimeout">5000</attribute> | | <!-- Number of milliseconds to wait until all responses for a | synchronous call have been received. | --> | <attribute name="SyncReplTimeout">10000</attribute> | | <!-- Max number of milliseconds to wait for a lock acquisition --> | <attribute name="LockAcquisitionTimeout">15000</attribute> | | <!-- Name of the eviction policy class. --> | <attribute name="EvictionPolicyClass">org.jboss.cache.eviction.LRUPolicy</attribute> | | <!-- Specific eviction policy configurations. This is LRU --> | <attribute name="EvictionPolicyConfig"> | <config> | <attribute name="wakeUpIntervalSeconds">5</attribute> | <!-- Cache wide default --> | <region name="/_default_"> | <attribute name="maxNodes">5000</attribute> | <attribute name="timeToLiveSeconds">1800</attribute> | </region> | | <!-- place transferIds in this branch valid for 30s only --> | <region name="/security"> | <attribute name="maxNodes">5000</attribute> | <attribute name="timeToLiveSeconds">30</attribute> | </region> | | <!-- Default branch for bisinfra cached objects, | valid for 45 minutes --> | <region name="/bisinfra"> | <attribute name="maxNodes">5000</attribute> | <attribute name="timeToLiveSeconds">2700</attribute> | </region> | | <!-- Default branch for bisinfra sessions, | valid for 30 minutes --> | <region name="/sessions"> | <attribute name="maxNodes">5000</attribute> | <attribute name="timeToLiveSeconds">1800</attribute> | </region> | </config> | </attribute> | | </mbean> | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3899623#3899623 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3899623 ------------------------------------------------------- This SF.Net email is sponsored by: Power Architecture Resource Center: Free content, downloads, discussions, and more. http://solutions.newsforge.com/ibmarch.tmpl _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user
