2 Replies Latest reply on Feb 13, 2008 4:19 PM by kpandey

    TreeCache Replication in Cluster not working

    kpandey
    kpandey Feb 13, 2008 4:16 PM

      [Jboss - 4.2.2.GA
      JGroups - 2.4.1-SP4
      JBossCache - 1.4.1.SP5]


      I'm testing simple TreeCache replication in Cluster mode. When some data is put in cache of node1, node2 is notified but the cache on node2 is not updated with the new data.

      Here's the log snippet
      Node1 log where data is added to cache
      ------------------------------------
      2008-02-13 21:53:08,112 DEBUG [org.jboss.cache.eviction.BaseEvictionAlgorithm] Adding element /a/b/c for a node that doesn't exist yet. Process as an add.

      2008-02-13 21:53:08,114 DEBUG [org.jboss.cache.eviction.BaseEvictionAlgorithm] Adding element /a/b/c/d for a node that doesn't exist yet. Process as an add.

      Node2 log
      -------------------------------------
      2008-02-13 20:53:17,073 DEBUG [org.jboss.cache.marshall.TreeCacheMarshaller140] Received call on an inactive Fqn region (/a/b/c). Calling notifyCallOnInactiveMetod

      2008-02-13 20:53:17,079 DEBUG [org.jboss.cache.marshall.TreeCacheMarshaller140] Received call on an inactive Fqn region (/a/b/c/d). Calling notifyCallOnInactiveMetod


      Howerver node2 still shows 0 nodes
      org.jboss.cache.TreeCache [0 nodes, 0 locks]

      Hrere's my cache config file

      <?xml version="1.0" encoding="UTF-8"?>
<server>

 <!-- ========================================================== -->
 <!-- Clustered Seratelbe cache config for use with JBoss Cache 1.4.x -->
 <!-- ========================================================== -->
 <mbean code="org.jboss.cache.TreeCache"
 name="jboss.cache:service=SeratelBeClusteredCache">

 <depends>jboss:service=Naming</depends>
 <!--depends>jboss:service=TransactionManager</depends-->

 <attribute name="IsolationLevel">NONE</attribute>

 <attribute name="CacheMode">REPL_SYNC</attribute>

 <!-- We want to activate/inactivate regions as beans are deployed -->
 <attribute name="UseRegionBasedMarshalling">true</attribute>
 <!-- Must match the value of "useRegionBasedMarshalling" -->
 <attribute name="InactiveOnStartup">true</attribute>

 <!--
 JGroups stuff here --Omitted
 -->


 <attribute name="InitialStateRetrievalTimeout">17500</attribute>

 <attribute name="SyncReplTimeout">17500</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. -->
 <attribute name="EvictionPolicyConfig">
 <config>
 <attribute name="wakeUpIntervalSeconds">5</attribute>
 <name>statefulClustered</name>
 <!-- So default region would never timeout -->
 <region name="/_default_">
 <attribute name="maxNodes">0</attribute>
 <attribute name="timeToIdleSeconds">0</attribute>
 </region>

 </config>
 </attribute>

 <!-- Store passivated sessions to the file system -->
 <attribute name="CacheLoaderConfiguration">
 <config>

 <passivation>true</passivation>
 <shared>false</shared>

 <cacheloader>
 <class>org.jboss.cache.loader.FileCacheLoader</class>
 <!-- Passivate to the server data dir -->
 <properties>
 location=${jboss.server.data.dir}${/}seratelbeCache
 </properties>
 <async>false</async>
 <fetchPersistentState>true</fetchPersistentState>
 <ignoreModifications>false</ignoreModifications>
 </cacheloader>

 </config>
 </attribute>
 </mbean>

</server>


      I copied this config file from SFSB config file and I'm wondering If I missed some nuances on setup.

      Code putting data on the node1 is like so

      cache.put("/a/b/c", "name", "Ben");
      cache.put("/a/b/c/d", "uid", new Integer(322649));

      Any pointers on proceeding forward on troubleshooting this would be great.

      Thanks
      Kumar

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