Hi all,
I have two jboss4.0.2 instances running on two different machines with ip
10.1.1.131 and 10.1.1.69. I am using mod_jk_1.2 load balancer and Apache
webserver. I have deployed my ear on node1 which is 10.1.1.131 and its
successfully deployed on node2 also. I have got my EJBs clustered by setting
true and defaultpartition tag in jboss.xml. when i run my application
seperately on both machines everything is working fine. Both machines are
recognising each other.
But when i run both the jboss instances and then i send my request to the load
balancer then it dispatches the request to any one node.
But in the webclient when i click on any link i get session timeout.
But if now i close this node then request is sent to node2 that works fine.
Now if again i run node1 , i mean now again node1 and node2 are running and
everything works fine.
Can anyone advice why load balancing and failover doesnt work initially when i
first time start both nodes and then loadbalancer send request to node 1 but i
get session timeout on which link i click.
My workers.properties files is
# Define list of workers that will be used
# for mapping requests
worker.list=loadbalancer,status
# Define Node1
worker.node1.port=8009
worker.node1.host=10.1.1.131
worker.node1.type=ajp13
worker.node1.lbfactor=1
#worker.node1.local_worker=1 (1)
worker.node1.cachesize=10
# Define Node2
worker.node2.port=8009
worker.node2.host=10.1.1.69
worker.node2.type=ajp13
worker.node2.lbfactor=1
#worker.node2.local_worker=1 (1)
worker.node2.cachesize=10
# Load-balancing behaviour
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=node1, node2
worker.loadbalancer.sticky_session=1
worker.loadbalancer.local_worker_only=1
worker.list=loadbalancer
# Status worker for managing load balancer
worker.status.type=status
my server.xml is
<!-- Use a custom version of StandardService that allows the
connectors to be started independent of the normal lifecycle
start to allow web apps to be deployed before starting the
connectors.
-->
<!-- A HTTP/1.1 Connector on port 8080 -->
<!-- A AJP 1.3 Connector on port 8009 -->
<!-- SSL/TLS Connector configuration using the admin devl guide keystore
-->
<!-- The JAAS based authentication and authorization realm
implementation
that is compatible with the jboss 3.2.x realm implementation.
- certificatePrincipal : the class name of the
org.jboss.security.auth.certs.CertificatePrincipal impl
used for mapping X509[] cert chains to a Princpal.
-->
<!-- A subclass of JBossSecurityMgrRealm that uses the authentication
behavior of JBossSecurityMgrRealm, but overrides the authorization
checks to use JACC permissions with the current java.security.Policy
to determine authorized access.
-->
<!-- Uncomment to enable request dumper. This Valve "logs
interesting
contents from the specified Request (before processing) and
the
corresponding Response (after processing). It is especially
useful
in debugging problems related to headers and cookies."
-->
<!--
-->
<!-- Access logger -->
<!--
-->
<!-- Uncomment to enable single sign-on across web apps
deployed to this host. Does not provide SSO across a cluster.
If this valve is used, do not use the JBoss
ClusteredSingleSignOn
valve shown below.
-->
<!--
-->
<!-- Uncomment to enable single sign-on across web apps
deployed to this host AND to all other hosts in the cluster
with the same virtual hostname.
If this valve is used, do not use the standard Tomcat
SingleSignOn
valve shown above.
This valve uses JGroups to communicate across the cluster. The
JGroups Channel used for this communication can be configured
by editing the "sso-channel.xml" file found in the same folder
as this file. If this valve is running on a machine with
multiple
IP addresses, configuring the "bind_addr" property of the JGroups
UDP protocol may be necessary. Another possible configuration
change would be to enable encryption of intra-cluster
communications.
See the sso-channel.xml file for more details.
Besides the attributes supported by the standard Tomcat
SingleSignOn valve (see the Tomcat docs), this version also
supports
the following attribute:
partitionName the name of the cluster partition in which
this node participates. If not set, the
default
value is "sso-partition/" + the value of the
"name" attribute of the Host element that
encloses this element (e.g.
"sso-partition/localhost")
-->
<!--
-->
<!-- Uncomment to check for unclosed connections and transaction
terminated checks
in servlets/jsps.
Important: You need to uncomment the dependency on the
CachedConnectionManager
in META-INF/jboss-service.xml
-->
my cluster-service.xml is
<!-- -->
<!-- Sample Clustering Service Configuration -->
<!-- -->
<!-- ===================================================================== -->
<!-- ==================================================================== -->
<!-- Cluster Partition: defines cluster -->
<!-- ==================================================================== -->
<!-- Name of the partition being built -->
${jboss.partition.name:DefaultPartition}
<!-- The address used to determine the node name -->
${jboss.bind.address}
<!-- Determine if deadlock detection is enabled -->
False
<!-- Max time (in ms) to wait for state transfer to complete. Increase
for large states -->
30000
<!-- The JGroups protocol configuration -->
<!--
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
-->
<UDP mcast_addr="228.1.2.3" mcast_port="45566"
ip_ttl="8" ip_mcast="true"
mcast_send_buf_size="800000" mcast_recv_buf_size="150000"
ucast_send_buf_size="800000" ucast_recv_buf_size="150000"
loopback="true" bind_addr="10.1.1.131"/>
<PING timeout="2000" num_initial_members="3"
up_thread="true" down_thread="true"/>
<MERGE2 min_interval="10000" max_interval="20000"/>
<FD shun="true" up_thread="true" down_thread="true"
timeout="2500" max_tries="5"/>
<VERIFY_SUSPECT timeout="3000" num_msgs="3"
up_thread="true" down_thread="true"/>
<pbcast.NAKACK gc_lag="50"
retransmit_timeout="300,600,1200,2400,4800"
max_xmit_size="8192"
up_thread="true" down_thread="true"/>
<UNICAST timeout="300,600,1200,2400,4800" window_size="100"
min_threshold="10"
down_thread="true"/>
<pbcast.STABLE desired_avg_gossip="20000"
up_thread="true" down_thread="true"/>
<FRAG frag_size="8192"
down_thread="true" up_thread="true"/>
<pbcast.GMS join_timeout="5000" join_retry_timeout="2000"
shun="true" print_local_addr="true"/>
<pbcast.STATE_TRANSFER up_thread="true" down_thread="true"/>
<!-- Alternate TCP stack: customize it for your environment, change
bind_addr and initial_hosts -->
<!--
<TCP bind_addr="thishost" start_port="7800" loopback="true"/>
<TCPPING initial_hosts="thishost[7800],otherhost[7800]"
port_range="3" timeout="3500"
num_initial_members="3" up_thread="true" down_thread="true"/>
<MERGE2 min_interval="5000" max_interval="10000"/>
<FD shun="true" timeout="2500" max_tries="5" up_thread="true"
down_thread="true" />
<VERIFY_SUSPECT timeout="1500" down_thread="false"
up_thread="false" />
<pbcast.NAKACK down_thread="true" up_thread="true" 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="false"
print_local_addr="true" down_thread="true" up_thread="true"/>
<pbcast.STATE_TRANSFER up_thread="true" down_thread="true"/>
-->
<!-- ==================================================================== -->
<!-- HA Session State Service for SFSB -->
<!-- ==================================================================== -->
jboss:service=${jboss.partition.name:DefaultPartition}
<!-- Name of the partition to which the service is linked -->
${jboss.partition.name:DefaultPartition}
<!-- JNDI name under which the service is bound -->
/HASessionState/Default
<!-- Max delay before cleaning unreclaimed state.
Defaults to 30*60*1000 => 30 minutes -->
0
<!-- ==================================================================== -->
<!-- HA JNDI -->
<!-- ==================================================================== -->
jboss:service=${jboss.partition.name:DefaultPartition}
<!-- Name of the partition to which the service is linked -->
${jboss.partition.name:DefaultPartition}
<!-- Bind address of bootstrap and HA-JNDI RMI endpoints -->
${jboss.bind.address}
<!-- Port on which the HA-JNDI stub is made available -->
1100
<!-- Accept backlog of the bootstrap socket -->
50
<!-- The thread pool service used to control the bootstrap and
auto discovery lookups -->
<depends optional-attribute-name="LookupPool"
proxy-type="attribute">jboss.system:service=ThreadPool
<!-- A flag to disable the auto discovery via multicast -->
false
<!-- Set the auto-discovery bootstrap multicast bind address. If not
specified and a BindAddress is specified, the BindAddress will be used.
-->
${jboss.bind.address}
<!-- Multicast Address and group port used for auto-discovery -->
230.0.0.4
1102
<!-- The TTL (time-to-live) for autodiscovery IP multicast packets -->
16
<!-- RmiPort to be used by the HA-JNDI service once bound. 0 => auto. -->
0
<!-- Client socket factory to be used for client-server
RMI invocations during JNDI queries
custom
-->
<!-- Server socket factory to be used for client-server
RMI invocations during JNDI queries
custom
-->
${jboss.bind.address}
<!--
0
custom
custom
-->
<!-- the JRMPInvokerHA creates a thread per request. This implementation
uses a pool of threads -->
1
300
300
60000
${jboss.bind.address}
4446
${jboss.bind.address}
0
false
<depends
optional-attribute-name="TransactionManagerService">jboss:service=TransactionManager
<!-- ==================================================================== -->
<!-- ==================================================================== -->
<!-- Distributed cache invalidation -->
<!-- ==================================================================== -->
jboss:service=${jboss.partition.name:DefaultPartition}
jboss.cache:service=InvalidationManager
jboss.cache:service=InvalidationManager
${jboss.partition.name:DefaultPartition}
DefaultJGBridge
I will be very thankful if nayone can help me.
Thanks and Regards,
Gunjan
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