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Posted to user@jmeter.apache.org by David Brown <da...@davidwbrown.name> on 2008/02/01 16:30:06 UTC
telnet to slave @ 1099 OK but Connection refused from jmeter-server
Hello JMeter gurus, Peter Lin et. al. and users, I have previously posted a similar problem and it was ignored probably for good reason. I am able to telnet <slave-host> 1099 and I get the expected page as if I were connecting to an email server @ port 25. The connection is of course the RMI listener running for the JMeter slave @ port 1099. However, when I run the Test Plan all I get is Connection refused. I applied the Sergey Ten tips (from the JMeter remote test doco) in the jmeter shell script but it affords no change. Googling for this problem returns very few useful tips. Any and all suggestions, advice, rants or raves welcomed. Please advise, David.
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Re: telnet to slave @ 1099 OK but Connection refused from jmeter-server
Posted by sebb <se...@gmail.com>.
There are some log entries missing.
What are all the messages containing the string "jmeter.engine." from
the server and client logs please?
On 01/02/2008, David Brown <da...@davidwbrown.name> wrote:
> Hello Sebb, thanks for the speedy reply. Your right I do not see a page (bad choice of terms). But, I do see a very reasonable return for the telnet session connection to the slave:
>
> david@worktop:~$ telnet 192.168.1.2 1099
> Trying 192.168.1.2...
> Connected to 192.168.1.2.
> Escape character is '^]'.
>
> I do the same thing when trying to <ping> an email server (SMTPd). I feel reasonably comfortable that I have no firewall or network issues. The 127.0.0.1 loopback is what the jmeter-server is looking for and even though I have introduced the JMETER_CMD_LINE_ARG as shown below I still get <Connection refused>.
>
> I have defined the HOST variable and placed it in jmeter-server.sh:
>
> HOST="-Djava.rmi.server.hostname=192.168.1.2"
> java $SERVER $JVM_ARGS -jar `dirname $0`/ApacheJMeter.jar $HOST -s "$@"
>
> The jmeter-server.log on the slave clearly shows the non-loopback host IP address was accepted and set the RMI hostname property accordingly. But, once the test starts it reverts back to the loopback address namely: 127.0.0.1
>
> Logs:
>
> INFO jmeter.samplers.RemoteListenerWrapper: Test Started on 192.168.1.2
> ERROR jmeter.samplers.RemoteLintenerWrapper: testStarted(host) java.rmi.ConnectException: connection refused to host: 127.0.0.1
>
> My question is how does the loopback creep back into the process since JMeter has been configured to use another IP? Do I need to disable the loopback altogether at interface: lo?
>
> What more information or diagnostic may I perform to gather better informational help?
>
> Tests and monitoring pending: please advise, David.
>
>
> sebb wrote ..
> > You should not see a page when telnetting to the RMI server on 1099
> >
> > On 01/02/2008, David Brown <da...@davidwbrown.name> wrote:
> > > Hello JMeter gurus, Peter Lin et. al. and users, I have previously posted a similar
> > problem and it was ignored probably for good reason. I am able to telnet <slave-host>
> > 1099 and I get the expected page as if I were connecting to an email server @ port
> > 25. The connection is of course the RMI listener running for the JMeter slave @
> > port 1099. However, when I run the Test Plan all I get is Connection refused. I
> > applied the Sergey Ten tips (from the JMeter remote test doco) in the jmeter shell
> > script but it affords no change. Googling for this problem returns very few useful
> > tips. Any and all suggestions, advice, rants or raves welcomed. Please advise,
> > David.
> > >
> > > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> > >
> > >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
> ---------------------------------------------------------------------
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>
>
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Re: telnet to slave @ 1099 OK but Connection refused from jmeter-server
Posted by David Brown <da...@davidwbrown.name>.
Hello Sebb, thanks for the speedy reply. Your right I do not see a page (bad choice of terms). But, I do see a very reasonable return for the telnet session connection to the slave:
david@worktop:~$ telnet 192.168.1.2 1099
Trying 192.168.1.2...
Connected to 192.168.1.2.
Escape character is '^]'.
I do the same thing when trying to <ping> an email server (SMTPd). I feel reasonably comfortable that I have no firewall or network issues. The 127.0.0.1 loopback is what the jmeter-server is looking for and even though I have introduced the JMETER_CMD_LINE_ARG as shown below I still get <Connection refused>.
I have defined the HOST variable and placed it in jmeter-server.sh:
HOST="-Djava.rmi.server.hostname=192.168.1.2"
java $SERVER $JVM_ARGS -jar `dirname $0`/ApacheJMeter.jar $HOST -s "$@"
The jmeter-server.log on the slave clearly shows the non-loopback host IP address was accepted and set the RMI hostname property accordingly. But, once the test starts it reverts back to the loopback address namely: 127.0.0.1
Logs:
INFO jmeter.samplers.RemoteListenerWrapper: Test Started on 192.168.1.2
ERROR jmeter.samplers.RemoteLintenerWrapper: testStarted(host) java.rmi.ConnectException: connection refused to host: 127.0.0.1
My question is how does the loopback creep back into the process since JMeter has been configured to use another IP? Do I need to disable the loopback altogether at interface: lo?
What more information or diagnostic may I perform to gather better informational help?
Tests and monitoring pending: please advise, David.
sebb wrote ..
> You should not see a page when telnetting to the RMI server on 1099
>
> On 01/02/2008, David Brown <da...@davidwbrown.name> wrote:
> > Hello JMeter gurus, Peter Lin et. al. and users, I have previously posted a similar
> problem and it was ignored probably for good reason. I am able to telnet <slave-host>
> 1099 and I get the expected page as if I were connecting to an email server @ port
> 25. The connection is of course the RMI listener running for the JMeter slave @
> port 1099. However, when I run the Test Plan all I get is Connection refused. I
> applied the Sergey Ten tips (from the JMeter remote test doco) in the jmeter shell
> script but it affords no change. Googling for this problem returns very few useful
> tips. Any and all suggestions, advice, rants or raves welcomed. Please advise,
> David.
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
---------------------------------------------------------------------
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Re: telnet to slave @ 1099 OK but Connection refused from jmeter-server
Posted by sebb <se...@gmail.com>.
You should not see a page when telnetting to the RMI server on 1099
On 01/02/2008, David Brown <da...@davidwbrown.name> wrote:
> Hello JMeter gurus, Peter Lin et. al. and users, I have previously posted a similar problem and it was ignored probably for good reason. I am able to telnet <slave-host> 1099 and I get the expected page as if I were connecting to an email server @ port 25. The connection is of course the RMI listener running for the JMeter slave @ port 1099. However, when I run the Test Plan all I get is Connection refused. I applied the Sergey Ten tips (from the JMeter remote test doco) in the jmeter shell script but it affords no change. Googling for this problem returns very few useful tips. Any and all suggestions, advice, rants or raves welcomed. Please advise, David.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>
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