Changing the default port numbers

As we briefly mentioned earlier, the <GERONIMO_HOME>/var/config/config-substitutions.properties lets you specify a totally new set of ports as well as to define an automatic port offset for when you run multiple servers (or instances of the same server). This file also allows you to set some cluster related parameters such as clusterName, clusterNodeName, etc. Visit the Clustering configuration for more details on how to configure a web application cluster in Geronimo.

Although this section is focusing on the changing these settings by updating a properties file, there is an alternative way by using the Geronimo Administration Console which is explained in more detail under the Configuring and administering section. However, if you have port conflicts at start up time the Geronimo Administration Console will not be available, so we have to focus on configuring the config-substitutions.properties file by choosing a new PortOffset value(the default is 0).

The following example shows the config-substitutions.properties for the Tomcat distribution of Geronimo. The file provided with the Jetty distribution is nearly identical. Changes to the file should be made when the server is stopped.

config-substitutions.properties

#Tue Dec 16 15:44:41 EST 2008
ORBPort=6882
AJPPort=8009
clusterNodeName=NODE
MaxThreadPoolSize=500
ResourceBindingsNamePattern=
Capacity=1000
SMTPHost=localhost
StatelessPoolSize=10
StatelessTimeout=0
ResourceBindingsQuery=?\#org.apache.geronimo.naming.ResourceSource
DerbyPort=1527
BMPPoolSize=10
COSNamingPort=1050
StatefulTimeout=20
webcontainer=TomcatWebContainer
OpenEJBPort=4201
ORBSSLPort=2001
PortOffset=0
ORBHost=localhost
JMXPort=9999
EndPointURI=http\://localhost\:8080
NamingPort=1099
DefaultWadiSweepInterval=36000
WebConnectorConTimeout=20000
BulkPassivate=100
MulticastDiscoveryPort=6142
HTTPSPort=8443
COSNamingHost=localhost
MinThreadPoolSize=200
MulticastDiscoveryAddress=239.255.3.2
ReplicaCount=2
ServerHostname=0.0.0.0
ActiveMQPort=61616
ORBSSLHost=localhost
SMTPPort=25
webcontainerName=tomcat6
ResourceBindingsNameInNamespace=jca\:
StrictPooling=true
JMXSecurePort=9998
DefaultWadiNumPartitions=24
AccessTimeout=30
HTTPPort=8080
clusterName=CLUSTER_NAME
ClusterName=cluster1
ResourceBindingsFormat={groupId}/{artifactId}/{j2eeType}/{name}
RemoteDeployHostname=localhost
TmId=71,84,77,73,68

There are a number of reasons why you may want to use other port numbers than those provided by default. Most common startup problems are in fact associated with port conflicts, you can use monitoring utilities like Active Ports that will quickly tell you what application/process is using what port so you can customize Geronimo's ports accordingly. Of course you can always use something like netstat -nab | grep -i list to get the ports in use along with what application is holding that port.

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Changing the default port numbers

Changing the default port numbers