6:16 a.m.
I am getting the following exception when I try to invoke a clustered EJB from a remote
java client.
The same program works when I invoke through the port 1099, but not through 1100..
Please let me know where the problem is.
1. Exception trace::
Exception in thread "main" javax.naming.CommunicationException: Could not obtain
connection to any of these urls: 10.239.20.193:11
00 and discovery failed with error: javax.naming.CommunicationException: Receive timed out
[Root exception is java.net.SocketTimeo
utException: Receive timed out] [Root exception is javax.naming.CommunicationException:
Failed to connect to server 10.239.20.193:
1100 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to
server 10.239.20.193:1100 [Root exception i
s java.net.ConnectException: Connection refused: connect]]]
at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1414)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:594)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:587)
at javax.naming.InitialContext.lookup(InitialContext.java:351)
at CalculatorClient.go(CalculatorClient.java:17)
at CalculatorClient.main(CalculatorClient.java:11)
Caused by: javax.naming.CommunicationException: Failed to connect to server
10.239.20.193:1100 [Root exception is javax.naming.Ser
viceUnavailableException: Failed to connect to server 10.239.20.193:1100 [Root exception
is java.net.ConnectException: Connection
refused: connect]]
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:269)
at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1385)
... 5 more
Caused by: javax.naming.ServiceUnavailableException: Failed to connect to server
10.239.20.193:1100 [Root exception is java.net.Co
nnectException: Connection refused: connect]
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:243)
... 6 more
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:516)
at java.net.Socket.connect(Socket.java:466)
at java.net.Socket.(Socket.java:366)
at java.net.Socket.(Socket.java:266)
at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:84)
at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:77)
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:239)
... 6 more
2. Setting changes I had done.:
cluster-service.xml (I havent made any changes in cluster-service.xml and its present with
the default values)
<!-- Name of the partition being built -->
${jboss.partition.name:DefaultPartition}
<!-- The address used to determine the node name -->
${jboss.bind.address}
<!-- Determine if deadlock detection is enabled -->
False
<!-- Max time (in ms) to wait for state transfer to complete. Increase for large
states -->
30000
<!-- The JGroups protocol configuration -->
HA JNDI entries:
----------------
<!-- We now inject the partition into the HAJNDI service instead
of requiring that the partition name be passed -->
<depends optional-attribute-name="ClusterPartition"
proxy-type="attribute">jboss:service=${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
<!-- RmiPort to be used by the HA-JNDI service once bound. 0 => auto. -->
1101
<!-- 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 -->
${jboss.partition.udpGroup:230.0.0.4}
1102
<!-- The TTL (time-to-live) for autodiscovery IP multicast packets -->
16
<!-- The load balancing policy for HA-JNDI -->
org.jboss.ha.framework.interfaces.RoundRobin
<!-- 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
-->
3. jboss.xml changes:
<ejb-name>Calculator</ejb-name>
<jndi-name>Calculator</jndi-name>
True
<cluster-config>
<partition-name>DefaultPartition</partition-name>
<home-load-balance-policy>
org.jboss.ha.framework.interfaces.RoundRobin
</home-load-balance-policy>
<bean-load-balance-policy>
org.jboss.ha.framework.interfaces.RoundRobin
</bean-load-balance-policy>
</cluster-config>
<configuration-name>
Standard Stateless SessionBean
</configuration-name>
<resource-ref>
<res-ref-name>jdbc/PPM</res-ref-name>
<jndi-name>java:/EntityMedia</jndi-name>
</resource-ref>
<method-attributes>
<method-name>*</method-name>
<transaction-timeout>3600</transaction-timeout>
</method-attributes>
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