Rakshita BJ wrote:
Hello Team,
I am trying to run distributed testing in Jmeter.
* I have the same version of Jmeter as well as Java in master and
slave machines.
* I have added the remote host IP address to my jmeter.properties
file.image.png
* Before running the tests I make sure to start the
Jmeter-server.bat in my slave machine and once I start it this is
what I see
image.png
* Port 1099 is open and the firewall rule on it has been removed.
* Remote hosts(VM) are run using aws and the port 1099 is open in
security groups.
I performed all the above steps and am getting the below error,
*the IT team is saying that since Java RMI assigns random ports
once it makes a connection to remote hosts using 1099,* they
cannot apply firewall rules on all ports as they don't know which
port is used.
* Screenshot (105)_LI.jpg
* I have tried assigning a specific port in client.server.local port
in jmeter.properties file but that doesn't seem to work
either.image.png
Could the team please help me in any steps I am missing out on? What
could be the reason I am seeing the above error??
Eagerly waiting for the response.
Thanks and regards,
Rakshita
By default:
1. Master connects to slave(s) on port 1099 in order to transfer the
.jmx test plan and send start test event
2. Slaves connect to master on random free ports to report back the
test metrics/results and end test events
As per JMeter Documentation
<https://jmeter.apache.org/usermanual/properties_reference.html#remote>:
*server_port*
RMI port to be used by the server (must start rmiregistry with same port).
*client.rmi.localport*
Parameter that controls the RMI ports used by RemoteSampleListenerImpl
and RemoteThreadsListenerImpl (The Controller)
Default value is 0, which means *ports are randomly assigned.* If this
is non-zero, it will be used as the base for local port numbers for the
client engine. At the moment JMeter will open up to three ports
beginning with the port defined in this property.
So if you want to change the port from 1099 you need to set the
appropriate server_port value in /user.properties/ file on slave(s).
Then you can use *remote_hosts* property to inform master about slave
server ports like *remote_hosts=slave1:1099,slave2:2099,slave3=3099
*
If you want to use static port set client.rmi.localport on master side
like *client.rmi.localport=50000*.
Make sure that:
1. All server_port values are open on the slave(s) in your operating
system firewall
2. On master *client.rmi.localport* and 3 more ports starting from it
are open in the firewall.
More information: Apache JMeter Properties Customization Guide
<https://www.blazemeter.com/blog/jmeter-properties-customization>
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