[jboss-user] [JBoss Cache]

Rick Feldmann work at rf-consulting.com
Mon Jan 25 15:29:17 EST 2010


Sorry - provided incorrect jboss version - we're running 4.0.5

Rick Feldmann wrote:
> Everyone,
>
> I have the following configuration and have been unable to have the 
> logons work properly.  Once properly logged in, I can terminate app2 on 
> either server and it will bounce to the other server.  It will even 
> bounce during normal execution between the 2 servers.  What am I missing?
>
> Jboss - 4.0.2
> Jboss cache - 1.4.0
>
> app1 is using a custom written sso module and is configured to have it's 
> own session cache that is shared with other servers running app1.
> app2 is configured to have it's on session cache that is shared with 
> other servers running app2.
>
> both app1 and app2 have a shared credential cache.
>
> our shared credential cache configuration file looks like and is the 
> same for both applications on all servers in the deploy directory:
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <server>
>   <classpath codebase="./lib" archives="jboss-cache.jar, jgroups.jar" />
>
>   <!--  
> ====================================================================  -->
>   <!--  Defines TreeCache configuration for the Credential 
> Cache.             -->
>   <!--  
> ====================================================================  -->
>
>
>  <mbean code="org.jboss.cache.TreeCache" 
> name="jboss.cache:service=BrivoTreeCache">
>     <depends>jboss:service=Naming</depends>
>     <depends>jboss:service=TransactionManager</depends>
>
>
>     <!-- Configure the TransactionManager -->
>     <!-- org.jboss.cache.DummyTransactionManagerLookup -->
>     <attribute 
> name="TransactionManagerLookupClass">org.jboss.cache.BatchModeTransactionManagerLookup</attribute>
>
>     <!--
>       Node locking scheme :
>       PESSIMISTIC (default)
>       OPTIMISTIC
>     -->
>     <attribute name="NodeLockingScheme">PESSIMISTIC</attribute>       
>
>     <!--
>       Node locking isolation level :
>       SERIALIZABLE
>       REPEATABLE_READ (default)
>       READ_COMMITTED
>       READ_UNCOMMITTED
>       NONE
>      (ignored if NodeLockingScheme is OPTIMISTIC)
>      -->
>     <attribute name="IsolationLevel">REPEATABLE_READ</attribute>
>
>     <!--    
>       Valid modes are LOCAL
>       REPL_ASYNC
>       REPL_SYNC
>       INVALIDATION_ASYNC
>       INVALIDATION_SYNC
>     -->
>     <attribute name="CacheMode">REPL_SYNC</attribute>
>    
>     <!-- 
>       Whether each interceptor should have an mbean
>       registered to capture and display its statistics. 
>       <attribute name="UseInterceptorMbeans">true</attribute>
>     -->
>
>     <!--
>       Name of cluster. Needs to be the same for all clusters,
>       in order to find each other
>     -->
>     <attribute 
> name="ClusterName">Credential-${jboss.partition.name:DefaultPartition}</attribute>
>
>     <attribute name="ClusterConfig">
>       <config>
>
>           <UDP mcast_addr="${jboss.partition.udpGroup:224.0.0.10}" 
> mcast_port="45568"
>                ip_ttl="${jgroups.mcast.ip_ttl:8}" ip_mcast="true"
>                mcast_recv_buf_size="2000000" mcast_send_buf_size="640000"
>                ucast_recv_buf_size="2000000" ucast_send_buf_size="640000"
>                enable_bundling="false"
>                loopback="false" />
>             <PING timeout="2000" num_initial_members="4" />
>             <MERGE2 min_interval="10000" max_interval="20000" />
>             <FD_SOCK  />
>             <FD shun="true" timeout="10000" max_tries="5"/>
>             <VERIFY_SUSPECT timeout="3000" num_msgs="3" />
>             <pbcast.NAKACK gc_lag="50" 
> retransmit_timeout="300,600,1200,2400,4800"
>                max_xmit_size="8192" />
>             <UNICAST timeout="300,600,1200,2400,4800" window_size="100" 
> min_threshold="10" />
>             <pbcast.STABLE desired_avg_gossip="20000" max_bytes="400000" />
>             <FRAG frag_size="8192" />
>             <pbcast.GMS join_timeout="5000" join_retry_timeout="2000"
>                shun="true" print_local_addr="true"/>
>             <pbcast.STATE_TRANSFER />
>
>
>       </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>
>
>   </mbean>
> </server>    
>
>
>
> the jboss-service.xml file in tc5-cluster-sar/META-INF directory for 
> app1 is:
>
> <?xml version="1.0" encoding="UTF-8"?>
>
> <!-- 
> ===================================================================== -->
> <!--                                                                       
> -->
> <!--  Customized TreeCache Service Configuration for Tomcat 5 
> Clustering   -->
> <!--                                                                       
> -->
> <!-- 
> ===================================================================== -->
>
> <server>
>
>     <!-- 
> ==================================================================== -->
>     <!-- Defines TreeCache 
> configuration                                      -->
>     <!-- 
> ==================================================================== -->
>
>      <!-- Note we are using TreeCacheAop -->
>     <mbean code="org.jboss.cache.aop.TreeCacheAop"
>         name="jboss.cache:service=TomcatClusteringCache">
>
>         <depends>jboss:service=Naming</depends>
>         <depends>jboss:service=TransactionManager</depends>
>         <!-- We need the AspectDeployer to deploy our FIELD granularity 
> aspects -->
>         <depends>jboss.aop:service=AspectDeployer</depends>
>
>         <!-- Name of cluster. Needs to be the same for all nodes in the
>              cluster, in order to find each other
>         -->
>         <attribute 
> name="ClusterName">APP1-Session-${jboss.partition.name:Cluster}</attribute>
>        
>         <!--
>             Isolation level : SERIALIZABLE
>                               REPEATABLE_READ (default)
>                               READ_COMMITTED
>                               READ_UNCOMMITTED
>                               NONE
>         -->
>         <attribute name="IsolationLevel">REPEATABLE_READ</attribute>
>
>         <!-- Valid modes are LOCAL, REPL_ASYNC and REPL_SYNC
>             
>              If you use REPL_SYNC and a UDP-based ClusterConfig
>              we recommend you comment out the FC (flow control)
>              protocol in the ClusterConfig section below.
>         -->
>         <attribute name="CacheMode">REPL_SYNC</attribute>
>
>         <!--
>           Indicates whether to the cache should unmarshall objects 
> replicated
>           from other cluster nodes, or store them internally as a byte[]
>           until a web app requests them.  Must be "true" if session 
> replication
>           granularity "FIELD" is used in any webapp, otherwise "false" is
>           recommended.
>         -->
>         <attribute name="UseRegionBasedMarshalling">false</attribute>
>        
>         <!--  Whether or not the entire tree is inactive upon startup, only
>           responding to replication messages after activateRegion() is
>           called to activate one or more parts of the tree when a webapp is
>           deployed.  Must have the same value as 
> "UseRegionBasedMarshalling".
>         -->
>         <attribute name="InactiveOnStartup">false</attribute>
>          
>         <!--  Make sure to specify BatchModeTransactionManager only! -->
>         <attribute 
> name="TransactionManagerLookupClass">org.jboss.cache.BatchModeTransactionManagerLookup</attribute>
>
>         <!-- Configures binary format of messages sent between cluster 
> nodes.
>              Changing this allows a later version of JBoss Cache to 
> interoperate
>              with an earlier version. You might, for example, change this
>              if you are integrating a 4.0.4 server into a cluster with
>              servers running an earlier AS version.
>             
>              Possible values:
>             
>              1.2.3     JBC 1.2.3 or earlier; bundled with AS 4.0.3.SP1 
> and earlier
>              1.2.4     JBC 1.2.4
>              1.2.4.SP1 JBC 1.2.4.SP1
>              1.2.4.SP2 JBC 1.2.4.SP2; bundled with AS 4.0.4
>             
>              For version 1.3.0.GA and later, use the version name.
>        
>              If left blank or commented out, JBoss Cache will use the 
> default
>              for that release (e.g. 1.4.0 for releases in the 1.4.0 series.
>              
>              The binary format of replication version 1.4.0 is much more 
> efficient
>              than earlier releases, so there is a significant 
> performance penalty
>              to trying to interoperate 1.4.0 with earlier releases vs. a 
> pure
>              1.4.0 cluster.
>         -->
>        
>         <attribute name="ReplicationVersion">1.4.0.GA</attribute>
>        
>         <!-- JGroups protocol stack properties. Can also be a URL,
>              e.g. file:/home/bela/default.xml
>         <attribute name="ClusterProperties"></attribute>
>         -->
>
>         <attribute name="ClusterConfig">
>             <!--
>             The default UDP stack:
>             - If you have a multihomed machine, set the UDP protocol's 
> bind_addr attribute to the
>             appropriate NIC IP address, e.g bind_addr="192.168.0.2".
>             - On Windows machines, because of the media sense feature 
> being broken with multicast
>             (even after disabling media sense) set the UDP protocol's 
> loopback attribute to true
>            
>             - If your CacheMode is set to REPL_SYNC we recommend you 
> comment
>             out the FC (flow control) protocol
>             -->
>             <config>
>                 <UDP mcast_addr="${jboss.partition.udpGroup:224.0.0.30}"
>                      mcast_port="45577"
>                      ucast_recv_buf_size="20000000"
>                      ucast_send_buf_size="640000"
>                      mcast_recv_buf_size="25000000"
>                      mcast_send_buf_size="640000"
>                      loopback="false"
>                      max_bundle_size="64000"
>                      max_bundle_timeout="30"
>                      use_incoming_packet_handler="true"
>                      use_outgoing_packet_handler="true"
>                      ip_ttl="${jgroups.mcast.ip_ttl:2}"
>                      enable_bundling="false"/>
>                 <PING timeout="2000" num_initial_members="3"/>
>                 <MERGE2 max_interval="100000" min_interval="20000"/>
>                 <FD_SOCK />
>                 <FD shun="true" timeout="20000" max_tries="5"/>
>                 <VERIFY_SUSPECT timeout="1500" />
>                 <pbcast.NAKACK max_xmit_size="60000"
>                                use_mcast_xmit="false" gc_lag="50"
>                                retransmit_timeout="300,600,1200,2400,4800"
>                                discard_delivered_msgs="true"/>
>                 <UNICAST timeout="300,600,1200,2400,3600" />
>                 <pbcast.STABLE stability_delay="1000" 
> desired_avg_gossip="50000"
>                                max_bytes="400000"/>
>                 <pbcast.GMS print_local_addr="true" join_timeout="3000"
>                             join_retry_timeout="2000" shun="true"/>
>               <!--  commented out based on recommendation above about 
> using REPL_SYNC instead of REPL_ASYNC <FC max_credits="2000000" 
> min_threshold="0.10"/> -->
>                 <FRAG2 frag_size="60000" />
>                 <pbcast.STATE_TRANSFER />
>            </config>
>
>            <!-- Alternate TCP stack: customize it for your environment, 
> change bind_addr and initial_hosts -->
>            <!--
>            <config>
>               <TCP bind_addr="thishost" start_port="7810" loopback="true"
>                    tcp_nodelay="false" down_thread="false" 
> up_thread="false"/>
>               <TCPPING initial_hosts="thishost[7810],otherhost[7810]" 
> port_range="3" timeout="3500"
>                  num_initial_members="3" up_thread="false" 
> down_thread="false"/>
>               <MERGE2 min_interval="5000" max_interval="10000"
>                  up_thread="false" down_thread="false"/>
>               <FD_SOCK down_thread="false" up_thread="false"/>
>               <FD shun="true" up_thread="false" down_thread="false"
>                  timeout="10000" max_tries="5"/>
>               <VERIFY_SUSPECT timeout="1500" down_thread="false" 
> up_thread="false" />
>               <pbcast.NAKACK down_thread="false" up_thread="false" 
> gc_lag="100"
>                  retransmit_timeout="3000"/>
>               <pbcast.STABLE desired_avg_gossip="20000" 
> down_thread="false" up_thread="false" />
>               <pbcast.GMS join_timeout="5000" join_retry_timeout="2000" 
> shun="true"
>                  print_local_addr="true" down_thread="false" 
> up_thread="false"/>
>               <FC max_credits="2000000" down_thread="false" 
> up_thread="false"
>                  min_threshold="0.10"/>
>               <FRAG2 frag_size="60000" down_thread="false" 
> up_thread="false"/>
>               <pbcast.STATE_TRANSFER up_thread="false" down_thread="false"/>
>            </config>
>            -->
>
>         </attribute>
>
>         <!--
>             Number of milliseconds to wait until all responses for a
>             synchronous call have been received.
>         -->
>         <attribute name="SyncReplTimeout">20000</attribute>
>
>         <!-- Max number of milliseconds to wait for a lock acquisition -->
>         <attribute name="LockAcquisitionTimeout">15000</attribute>
>
>         <!-- Buddy Replication config.
>        
>              See 
> http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossCacheBuddyReplicationDesign
>              and the JBoss Cache docs for more on buddy replication.
>             
>              By default, buddy replication is disabled.
>             
>              Following are the configuration elements likely to be changed:
>             
>              buddyReplicationEnabled  true if you want buddy 
> replication; false if data
>                                       should be replicated to all nodes 
> in the cluster
>                                      
>              numBuddies               to how many backup nodes should 
> each node replicate
>                                       its state
>                                      
>              buddyPoolName            allows logical subgrouping of 
> nodes within the cluster;
>                                       if possible, buddies will be 
> chosen from nodes in the
>                                       same buddy pool
>                                      
>              Do not change the data gravitation related 
> options.            
>         -->
>         <attribute name="BuddyReplicationConfig">
>             <config>
>                 <buddyReplicationEnabled>false</buddyReplicationEnabled>
>                 
> <buddyLocatorClass>org.jboss.cache.buddyreplication.NextMemberBuddyLocator</buddyLocatorClass>
>                 <buddyLocatorProperties>
>                     numBuddies = 1
>                     ignoreColocatedBuddies = true
>                 </buddyLocatorProperties>
>
>                 <buddyPoolName>default</buddyPoolName>
>                 <buddyCommunicationTimeout>2000</buddyCommunicationTimeout>
>
>                 <autoDataGravitation>false</autoDataGravitation>
>                 
> <dataGravitationRemoveOnFind>true</dataGravitationRemoveOnFind>
>                 
> <dataGravitationSearchBackupTrees>true</dataGravitationSearchBackupTrees>
>
>             </config>
>         </attribute>
>           
>     </mbean>
>
> </server>
>
>
>
>
> the jboss-service.xml file in tc5-cluster-sar/META-INF directory for 
> app2 is:
>
> <?xml version="1.0" encoding="UTF-8"?>
>
> <!-- 
> ===================================================================== -->
> <!--                                                                       
> -->
> <!--  Customized TreeCache Service Configuration for Tomcat 5 
> Clustering   -->
> <!--                                                                       
> -->
> <!-- 
> ===================================================================== -->
>
> <server>
>
>     <!-- 
> ==================================================================== -->
>     <!-- Defines TreeCache 
> configuration                                      -->
>     <!-- 
> ==================================================================== -->
>
>      <!-- Note we are using TreeCacheAop -->
>     <mbean code="org.jboss.cache.aop.TreeCacheAop"
>         name="jboss.cache:service=TomcatClusteringCache">
>
>         <depends>jboss:service=Naming</depends>
>         <depends>jboss:service=TransactionManager</depends>
>         <!-- We need the AspectDeployer to deploy our FIELD granularity 
> aspects -->
>         <depends>jboss.aop:service=AspectDeployer</depends>
>
>         <!-- Name of cluster. Needs to be the same for all nodes in the
>              cluster, in order to find each other
>         -->
>         <attribute 
> name="ClusterName">APP2-Session-${jboss.partition.name:Cluster}</attribute>
>        
>         <!--
>             Isolation level : SERIALIZABLE
>                               REPEATABLE_READ (default)
>                               READ_COMMITTED
>                               READ_UNCOMMITTED
>                               NONE
>         -->
>         <attribute name="IsolationLevel">REPEATABLE_READ</attribute>
>
>         <!-- Valid modes are LOCAL, REPL_ASYNC and REPL_SYNC
>             
>              If you use REPL_SYNC and a UDP-based ClusterConfig
>              we recommend you comment out the FC (flow control)
>              protocol in the ClusterConfig section below.
>         -->
>         <attribute name="CacheMode">REPL_SYNC</attribute>
>
>         <!--
>           Indicates whether to the cache should unmarshall objects 
> replicated
>           from other cluster nodes, or store them internally as a byte[]
>           until a web app requests them.  Must be "true" if session 
> replication
>           granularity "FIELD" is used in any webapp, otherwise "false" is
>           recommended.
>         -->
>         <attribute name="UseRegionBasedMarshalling">false</attribute>
>        
>         <!--  Whether or not the entire tree is inactive upon startup, only
>           responding to replication messages after activateRegion() is
>           called to activate one or more parts of the tree when a webapp is
>           deployed.  Must have the same value as 
> "UseRegionBasedMarshalling".
>         -->
>         <attribute name="InactiveOnStartup">false</attribute>
>          
>         <!--  Make sure to specify BatchModeTransactionManager only! -->
>         <attribute 
> name="TransactionManagerLookupClass">org.jboss.cache.BatchModeTransactionManagerLookup</attribute>
>
>         <!-- Configures binary format of messages sent between cluster 
> nodes.
>              Changing this allows a later version of JBoss Cache to 
> interoperate
>              with an earlier version. You might, for example, change this
>              if you are integrating a 4.0.4 server into a cluster with
>              servers running an earlier AS version.
>             
>              Possible values:
>             
>              1.2.3     JBC 1.2.3 or earlier; bundled with AS 4.0.3.SP1 
> and earlier
>              1.2.4     JBC 1.2.4
>              1.2.4.SP1 JBC 1.2.4.SP1
>              1.2.4.SP2 JBC 1.2.4.SP2; bundled with AS 4.0.4
>             
>              For version 1.3.0.GA and later, use the version name.
>        
>              If left blank or commented out, JBoss Cache will use the 
> default
>              for that release (e.g. 1.4.0 for releases in the 1.4.0 series.
>              
>              The binary format of replication version 1.4.0 is much more 
> efficient
>              than earlier releases, so there is a significant 
> performance penalty
>              to trying to interoperate 1.4.0 with earlier releases vs. a 
> pure
>              1.4.0 cluster.
>         -->
>        
>         <attribute name="ReplicationVersion">1.4.0.GA</attribute>
>        
>         <!-- JGroups protocol stack properties. Can also be a URL,
>              e.g. file:/home/bela/default.xml
>         <attribute name="ClusterProperties"></attribute>
>         -->
>
>         <attribute name="ClusterConfig">
>             <!--
>             The default UDP stack:
>             - If you have a multihomed machine, set the UDP protocol's 
> bind_addr attribute to the
>             appropriate NIC IP address, e.g bind_addr="192.168.0.2".
>             - On Windows machines, because of the media sense feature 
> being broken with multicast
>             (even after disabling media sense) set the UDP protocol's 
> loopback attribute to true
>            
>             - If your CacheMode is set to REPL_SYNC we recommend you 
> comment
>             out the FC (flow control) protocol
>             -->
>             <config>
>                 <UDP mcast_addr="${jboss.partition.udpGroup:224.0.0.20}"
>                      mcast_port="45577"
>                      ucast_recv_buf_size="20000000"
>                      ucast_send_buf_size="640000"
>                      mcast_recv_buf_size="25000000"
>                      mcast_send_buf_size="640000"
>                      loopback="false"
>                      max_bundle_size="64000"
>                      max_bundle_timeout="30"
>                      use_incoming_packet_handler="true"
>                      use_outgoing_packet_handler="true"
>                      ip_ttl="${jgroups.mcast.ip_ttl:2}"
>                      enable_bundling="false"/>
>                 <PING timeout="2000" num_initial_members="3"/>
>                 <MERGE2 max_interval="100000" min_interval="20000"/>
>                 <FD_SOCK />
>                 <FD shun="true" timeout="20000" max_tries="5"/>
>                 <VERIFY_SUSPECT timeout="1500" />
>                 <pbcast.NAKACK max_xmit_size="60000"
>                                use_mcast_xmit="false" gc_lag="50"
>                                retransmit_timeout="300,600,1200,2400,4800"
>                                discard_delivered_msgs="true"/>
>                 <UNICAST timeout="300,600,1200,2400,3600" />
>                 <pbcast.STABLE stability_delay="1000" 
> desired_avg_gossip="50000"
>                                max_bytes="400000"/>
>                 <pbcast.GMS print_local_addr="true" join_timeout="3000"
>                             join_retry_timeout="2000" shun="true"/>
>               <!--  commented out based on recommendation above about 
> using REPL_SYNC instead of REPL_ASYNC <FC max_credits="2000000" 
> min_threshold="0.10"/> -->
>                 <FRAG2 frag_size="60000" />
>                 <pbcast.STATE_TRANSFER />
>            </config>
>
>            <!-- Alternate TCP stack: customize it for your environment, 
> change bind_addr and initial_hosts -->
>            <!--
>            <config>
>               <TCP bind_addr="thishost" start_port="7810" loopback="true"
>                    tcp_nodelay="false" down_thread="false" 
> up_thread="false"/>
>               <TCPPING initial_hosts="thishost[7810],otherhost[7810]" 
> port_range="3" timeout="3500"
>                  num_initial_members="3" up_thread="false" 
> down_thread="false"/>
>               <MERGE2 min_interval="5000" max_interval="10000"
>                  up_thread="false" down_thread="false"/>
>               <FD_SOCK down_thread="false" up_thread="false"/>
>               <FD shun="true" up_thread="false" down_thread="false"
>                  timeout="10000" max_tries="5"/>
>               <VERIFY_SUSPECT timeout="1500" down_thread="false" 
> up_thread="false" />
>               <pbcast.NAKACK down_thread="false" up_thread="false" 
> gc_lag="100"
>                  retransmit_timeout="3000"/>
>               <pbcast.STABLE desired_avg_gossip="20000" 
> down_thread="false" up_thread="false" />
>               <pbcast.GMS join_timeout="5000" join_retry_timeout="2000" 
> shun="true"
>                  print_local_addr="true" down_thread="false" 
> up_thread="false"/>
>               <FC max_credits="2000000" down_thread="false" 
> up_thread="false"
>                  min_threshold="0.10"/>
>               <FRAG2 frag_size="60000" down_thread="false" 
> up_thread="false"/>
>               <pbcast.STATE_TRANSFER up_thread="false" down_thread="false"/>
>            </config>
>            -->
>
>         </attribute>
>
>         <!--
>             Number of milliseconds to wait until all responses for a
>             synchronous call have been received.
>         -->
>         <attribute name="SyncReplTimeout">20000</attribute>
>
>         <!-- Max number of milliseconds to wait for a lock acquisition -->
>         <attribute name="LockAcquisitionTimeout">15000</attribute>
>
>         <!-- Buddy Replication config.
>        
>              See 
> http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossCacheBuddyReplicationDesign
>              and the JBoss Cache docs for more on buddy replication.
>             
>              By default, buddy replication is disabled.
>             
>              Following are the configuration elements likely to be changed:
>             
>              buddyReplicationEnabled  true if you want buddy 
> replication; false if data
>                                       should be replicated to all nodes 
> in the cluster
>                                      
>              numBuddies               to how many backup nodes should 
> each node replicate
>                                       its state
>                                      
>              buddyPoolName            allows logical subgrouping of 
> nodes within the cluster;
>                                       if possible, buddies will be 
> chosen from nodes in the
>                                       same buddy pool
>                                      
>              Do not change the data gravitation related 
> options.            
>         -->
>         <attribute name="BuddyReplicationConfig">
>             <config>
>                 <buddyReplicationEnabled>false</buddyReplicationEnabled>
>                 
> <buddyLocatorClass>org.jboss.cache.buddyreplication.NextMemberBuddyLocator</buddyLocatorClass>
>                 <buddyLocatorProperties>
>                     numBuddies = 1
>                     ignoreColocatedBuddies = true
>                 </buddyLocatorProperties>
>
>                 <buddyPoolName>default</buddyPoolName>
>                 <buddyCommunicationTimeout>2000</buddyCommunicationTimeout>
>
>                 <autoDataGravitation>false</autoDataGravitation>
>                 
> <dataGravitationRemoveOnFind>true</dataGravitationRemoveOnFind>
>                 
> <dataGravitationSearchBackupTrees>true</dataGravitationSearchBackupTrees>
>
>             </config>
>         </attribute>
>           
>     </mbean>
>
> </server>
>
> the server.xml files for both apps contains the following valve:
>
>         <Valve 
> className="org.jboss.web.tomcat.tc5.sso.ClusteredSingleSignOn" 
> cacheConfig="BMC-Session-${jboss.partition.name:Cluster}"/>
>
>
> We are behind physical load balancers performing round robin load balancing.
>
> The sequence of events is as follow:
>
> User opens browers and goes to url for app1.
>
> app1 displays the login page and the user hits the submit button after 
> entering a valid user id and password
>
> app1 validates the user id and password
>
> app1 logs into app2
>
> app2 validates the user id and password
>
> app2 returns successful login to app1
>
> app1 returns a redirect (302) with the url of app2 to the browser
>
> the browser then connects to app2.
>
> if the browser hits app2 on the same server that app1 used for the 
> login, the user is successfuly logged into app2 and shown the home page 
> for app2.  the user can then move around app2 without any knowledge of 
> what server they are on and app2 can be stopped on either server and the 
> user does not encounter any dropped connections.
>
> if the browser hits app2 on a different server than app1 used for the 
> login, the user is returned back to the app1 login page.
>
> am I missing something in the configuration files?
> yes, this is older release of jboss, but we are unable to upgrade the to 
> a newer version at this time.
>
> Thanks In Advance,
>
> Rick Feldmann
> work at rf-consulting.com
> _______________________________________________
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> jboss-user at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/jboss-user
>
>   



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