1 Reply Latest reply on Sep 26, 2006 10:50 AM by Manik Surtani

    Jgroup exception while not connected to the interent

    dudududu Novice

      i am using jboss 2nd level cache to cahce my entity beans
      but now after I added jgroups.jar to my project and the xml below i am getting many excpetion everytime i am not connected:

      14:56:35,103 ERROR [UDP] failed sending message
      java.lang.Exception: dest=/224.0.0.36:55566 (63 bytes)
       at org.jgroups.protocols.UDP._send(UDP.java:358)
       at org.jgroups.protocols.UDP.sendToAllMembers(UDP.java:302)
       at org.jgroups.protocols.TP.doSend(TP.java:947)
       at org.jgroups.protocols.TP.send(TP.java:936)
       at org.jgroups.protocols.TP.down(TP.java:725)
       at org.jgroups.stack.DownHandler.run(Protocol.java:121)
      Caused by: java.net.NoRouteToHostException: No route to host: Datagram send failed
       at java.net.PlainDatagramSocketImpl.send(Native Method)
       at java.net.DatagramSocket.send(DatagramSocket.java:612)
       at org.jgroups.protocols.UDP._send(UDP.java:332)
       ... 5 more


      here is also my ejb3-entity-cache-service.xml:

      <?xml version="1.0" encoding="UTF-8"?>
      <server>
      
       <!-- ==================================================================== -->
       <!-- Defines TreeCache configuration -->
       <!-- ==================================================================== -->
       <mbean code="org.jboss.cache.TreeCache" name="jboss.cache:service=EJB3EntityTreeCache">
       <depends>jboss:service=Naming</depends>
       <depends>jboss:service=TransactionManager</depends>
      
       <!-- uncomment next three statements if using JGroups multiplexer,
       requires JGroups 2.3 or later, JBossCache 1.4 or later -->
       <!--
       <depends>jgroups.mux:name=Multiplexer</depends>
       <attribute name="MultiplexerService">jgroups.mux:name=Multiplexer</attribute>
       <attribute name="MultiplexerStack">fc-fast-minimalthreads</attribute>
       -->
      
       <!-- Configure the TransactionManager -->
       <attribute name="TransactionManagerLookupClass">org.jboss.cache.JBossTransactionManagerLookup</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_SYNC</attribute>
      
       <!-- Name of cluster. Needs to be the same for all clusters, in order
       to find each other -->
       <attribute name="ClusterName">EJB3-entity-cache-ohad</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="${jboss.partition.udpGroup:228.1.2.3}" mcast_port="43333" ip_ttl="2" ip_mcast="true"
       mcast_send_buf_size="150000" mcast_recv_buf_size="80000" ucast_send_buf_size="150000"
       ucast_recv_buf_size="80000" loopback="false" />
       <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">1000</attribute>
       </region>
       </config>
       </attribute>
      
       </mbean>
      
      </server>