Few questions: topology and services assemblies

[Bruno Bonfils-3]

Hello,

I just downloaded the new quickstart petals distribution (2.2), while I'm able
to deploy the examples, I now want to make my first real test (which is very
simple, consume a file on host A, and produce it in host B).

However, as far as I understand, my first step to achieve that is to configure
two petals servers, and especially the topology.xml file. After try to find
some documentations about topology.xml (but can't find some :/), I found some
examples in the petals-platform, but I still have some questions.

What am I supposed to do to get two server working together, with the
webconsole webconsole?

I tried to deploy two petals-platform on the same box, using differents ports
(do I need to change the container name on the second server?) and the
webconsole on a separated tomcat. However when I try to connect from the
webconsole to the first instance (running on the same host), I have the
following error:

"Error : : Can't get PEtALS topology"

I have only this output from the platform instance:

PEtALS is starting...
[petals.RMI] JMX RMI server started at :
service:jmx:rmi:///jndi/rmi://localhost:7700/jmxRmiConnector


and a last question, in the case I want to use a static topology, do I need to
describe each servers on all topology.xml ?

Thanks for your help

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]


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[Christophe Hamerling]

Hi,

On Mon, Jul 21, 2008 at 9:08 AM, Bruno Bonfils <bbonfils@...> wrote:

Hello,

I just downloaded the new quickstart petals distribution (2.2), while I'm able
to deploy the examples, I now want to make my first real test (which is very
simple, consume a file on host A, and produce it in host B).

 

For now you can not do this with the last 2.2 release since the platform  distribution is not released. But with the 2.1.x it should be OK.

However, as far as I understand, my first step to achieve that is to configure
two petals servers, and especially the topology.xml file. After try to find
some documentations about topology.xml (but can't find some :/), I found some
examples in the petals-platform, but I still have some questions.

True, we have to work on the documentation in the next days. There are samples in the conf directory of the platorm distrib.
 

What am I supposed to do to get two server working together, with the
webconsole webconsole?

I tried to deploy two petals-platform on the same box, using differents ports
(do I need to change the container name on the second server?)

Each server must have a unique name in the topology. You have to modify the server.properties file to set the container name. When petals is starting it will first get its id from this file and next will get its own information from this id in the topology.xml file.
 

and the
webconsole on a separated tomcat. However when I try to connect from the
webconsole to the first instance (running on the same host), I have the
following error:

"Error : : Can't get PEtALS topology"

I have only this output from the platform instance:

PEtALS is starting...
[petals.RMI] JMX RMI server started at :
service:jmx:rmi:///jndi/rmi://localhost:7700/jmxRmiConnector

Probably a host configuration problem. I need to check where this error message is returned.
If you are running on Linux there are some issues with the network configuration. When trying to establish a connection on a distant server, the distant server will reply with a localhost address to be binded. So the local server will try to connect to a localhost socket which is not good... This could be fixed by setting a static network configuration (no DHCP) and fixing the /etc/hosts file.

and a last question, in the case I want to use a static topology, do I need to
describe each servers on all topology.xml ?

Yes you need to duplicate the topology file on each server since it is a static configuration. There is no discovery so all that the servers know is defined in the topology file.
 

Thanks for your help

Hope that this help you.

Christophe

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]


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Christophe Hamerling
PEtALS ESB Research Engineer / Product Manager @ eBM WebSourcing
http://petals.ow2.org
http://petals.ebmwebsourcing.com
Phone : [phone]
Skype : christophe.hamerling

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[Adrien LOUIS - EBM WebSourcing]

Hi,
The PEtALS QuickStart distribution does not allow multi-server configuration
(it is the PEtALS Platform release, in fact)
That's why you can not configure several servers !

Best


Adrien LOUIS
Phone: [phone]
Cell   : [phone]
 
-----Message d'origine-----
De : Bruno Bonfils [mailto:bbonfils@...]
Envoyé : lundi 21 juillet 2008 09:08
À : petals-users@...
Objet : [petals-users] Few questions: topology and services assemblies


Hello,

I just downloaded the new quickstart petals distribution (2.2), while I'm
able
to deploy the examples, I now want to make my first real test (which is very

simple, consume a file on host A, and produce it in host B).

However, as far as I understand, my first step to achieve that is to
configure
two petals servers, and especially the topology.xml file. After try to find
some documentations about topology.xml (but can't find some :/), I found
some
examples in the petals-platform, but I still have some questions.

What am I supposed to do to get two server working together, with the
webconsole webconsole?

I tried to deploy two petals-platform on the same box, using differents
ports
(do I need to change the container name on the second server?) and the
webconsole on a separated tomcat. However when I try to connect from the
webconsole to the first instance (running on the same host), I have the
following error:

"Error : : Can't get PEtALS topology"

I have only this output from the platform instance:

PEtALS is starting...
[petals.RMI] JMX RMI server started at :
service:jmx:rmi:///jndi/rmi://localhost:7700/jmxRmiConnector


and a last question, in the case I want to use a static topology, do I need
to
describe each servers on all topology.xml ?

Thanks for your help

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]




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[Bruno Bonfils-3]

Le Monday 21 July 2008 09:49:29 Adrien LOUIS - EBM WebSourcing, vous avez
écrit :
> Hi,
> The PEtALS QuickStart distribution does not allow multi-server
> configuration (it is the PEtALS Platform release, in fact)
> That's why you can not configure several servers !

Hi Adrien,

first, thanks for you (both) answers.

Well, my test was with both platform and quickstart distribution, I indeed
understand that the quickstart is not multiserver aware, my tests was with
the platform distribution.

According to Christophe, I modified my /etc/hosts to get :
 
10.75.128.41 eva-01.linagora.lan (which is my IP address) and modify my two
topology.xml to use this address rather than localhost, and it seem to work:

[petals.RMI] JMX RMI server started at :
service:jmx:rmi:///jndi/rmi://10.75.128.41:7701/jmxRmiConnector
[petals.Router] Creating router...

[petals.NetworkService] A PEtALS container tries to join the Network, check
its configuration
[petals.NetworkService] Accept the PEtALS container named '1' on 10.75.128.41

btw, is that ok I have only this message from only one instance? or I should
have this message from both instances?

However, when I try to login from the webconsole  (version 1.2), I still have
the "can't get petals topology" error

best regards

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]


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[Christophe Hamerling]

On Mon, Jul 21, 2008 at 10:09 AM, Bruno Bonfils <bbonfils@...> wrote:

Le Monday 21 July 2008 09:49:29 Adrien LOUIS - EBM WebSourcing, vous avez
écrit :

> Hi,
> The PEtALS QuickStart distribution does not allow multi-server
> configuration (it is the PEtALS Platform release, in fact)
> That's why you can not configure several servers !

Hi Adrien,

first, thanks for you (both) answers.

Well, my test was with both platform and quickstart distribution, I indeed
understand that the quickstart is not multiserver aware, my tests was with
the platform distribution.

According to Christophe, I modified my /etc/hosts to get :

10.75.128.41 eva-01.linagora.lan (which is my IP address) and modify my two
topology.xml to use this address rather than localhost, and it seem to work:

[petals.RMI] JMX RMI server started at :

service:jmx:rmi:///jndi/rmi://10.75.128.41:7701/jmxRmiConnector
[petals.Router] Creating router...

[petals.NetworkService] A PEtALS container tries to join the Network, check
its configuration
[petals.NetworkService] Accept the PEtALS container named '1' on 10.75.128.41

btw, is that ok I have only this message from only one instance? or I should
have this message from both instances?

It seems to be OK, one server accepts a server to join the network. When deploying a service you should be able to see it on all servers.
 

However, when I try to login from the webconsole  (version 1.2), I still have
the "can't get petals topology" error

I am not sure that the webconsole 1.2 is compatible with 2.1.x, try with the previous one.
 

best regards

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]

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--
Christophe Hamerling
PEtALS ESB Research Engineer / Product Manager @ eBM WebSourcing
http://petals.ow2.org
http://petals.ebmwebsourcing.com
Phone : [phone]
Skype : christophe.hamerling

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[Bruno Bonfils-3]

Le Monday 21 July 2008 10:14:43 Christophe Hamerling - eBM WebSourcing, vous
avez écrit :
> > However, when I try to login from the webconsole  (version 1.2), I still
> > have
> > the "can't get petals topology" error
>
> I am not sure that the webconsole 1.2 is compatible with 2.1.x, try with
> the previous one.

With version 1.1.2, I have Error : : Can't connect to PEtALS server
(10.75.128.41:7700) (or localhost:7700) while I'm able to telnet the port
with both adresses:

% telnet localhost 7700
Escape character is '^]

% telnet 10.75.128.41 7700
Escape character is '^]'.

% telnet localhost 9002
Escape character is '^]'.

Here my tomcat's logs:

[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) entered
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) exited
[Server@272961]: [Thread[http-8080-1,5,main]]:
setDatabasePath(0,datacollector-hsqldb/datacollector-database)
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) entered
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) exited
[Server@272961]: [Thread[http-8080-1,5,main]]:
setDatabaseName(0,datacollector-database)
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) entered
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) exited
[Server@272961]: [Thread[http-8080-1,5,main]]: setPort(9002)
[Server@272961]: [Thread[http-8080-1,5,main]]: setSilent(true)
[Server@272961]: Initiating startup sequence...
[Server@272961]: Server socket opened successfully in 2 ms.
[Server@272961]: Database [index=0, id=0,
db=file:datacollector-hsqldb/datacollector-database,
alias=datacollector-database] op
[Server@272961]: Startup sequence completed in 203 ms.
[Server@272961]: 2008-07-21 10:26:19.162 HSQLDB server 1.8.0 is online
[Server@272961]: To close normally, connect and execute SHUTDOWN SQL
[Server@272961]: From command line, use [Ctrl]+[C] to abort abruptly



Best regards

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]


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[Christophe Hamerling]

What address have you defined in the datacollector webconsole page? Try with localhost or with your IP. Also check all the parameters in this page.

On Mon, Jul 21, 2008 at 10:27 AM, Bruno Bonfils <bbonfils@...> wrote:

Le Monday 21 July 2008 10:14:43 Christophe Hamerling - eBM WebSourcing, vous
avez écrit :

> > However, when I try to login from the webconsole  (version 1.2), I still
> > have
> > the "can't get petals topology" error
>
> I am not sure that the webconsole 1.2 is compatible with 2.1.x, try with
> the previous one.

With version 1.1.2, I have Error : : Can't connect to PEtALS server
(10.75.128.41:7700) (or localhost:7700) while I'm able to telnet the port
with both adresses:

% telnet localhost 7700
Escape character is '^]

% telnet 10.75.128.41 7700
Escape character is '^]'.

% telnet localhost 9002
Escape character is '^]'.

Here my tomcat's logs:

[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) entered
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) exited
[Server@272961]: [Thread[http-8080-1,5,main]]:
setDatabasePath(0,datacollector-hsqldb/datacollector-database)
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) entered
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) exited
[Server@272961]: [Thread[http-8080-1,5,main]]:
setDatabaseName(0,datacollector-database)
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) entered
[Server@272961]: [Thread[http-8080-1,5,main]]: checkRunning(false) exited
[Server@272961]: [Thread[http-8080-1,5,main]]: setPort(9002)
[Server@272961]: [Thread[http-8080-1,5,main]]: setSilent(true)
[Server@272961]: Initiating startup sequence...
[Server@272961]: Server socket opened successfully in 2 ms.
[Server@272961]: Database [index=0, id=0,
db=file:datacollector-hsqldb/datacollector-database,
alias=datacollector-database] op
[Server@272961]: Startup sequence completed in 203 ms.
[Server@272961]: 2008-07-21 10:26:19.162 HSQLDB server 1.8.0 is online
[Server@272961]: To close normally, connect and execute SHUTDOWN SQL
[Server@272961]: From command line, use [Ctrl]+[C] to abort abruptly

Best regards

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]

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--
Christophe Hamerling
PEtALS ESB Research Engineer / Product Manager @ eBM WebSourcing
http://petals.ow2.org
http://petals.ebmwebsourcing.com
Phone : [phone]
Skype : christophe.hamerling

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[Bruno Bonfils-3]

Le Monday 21 July 2008 10:59:32 Christophe Hamerling - eBM WebSourcing, vous
avez écrit :
> What address have you defined in the datacollector webconsole page? Try
> with localhost or with your IP. Also check all the parameters in this page.

Here the logs when I start the petals instance:

[petals.RMI] JMX RMI server started at :
service:jmx:rmi:///jndi/rmi://eva-01.linagora.lan:7701/jmxRmiConnector

while I have the following message when trying to connect from webconsole :

Caused by: org.ow2.petals.tools.jmx.api.exception.ConnectionErrorException:
Can not connect using URI :
service:jmx:rmi:///jndi/rmi://eva-01.linagora.lan:7700/management/rmi-jmx-connector
with petals/petals

the URI seem different..

Regards

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]


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[Bruno Bonfils-3]

Le Monday 21 July 2008 11:31:56 Bruno Bonfils, vous avez écrit :

> Le Monday 21 July 2008 10:59:32 Christophe Hamerling - eBM WebSourcing,
> vous
>
> avez écrit :
> > What address have you defined in the datacollector webconsole page? Try
> > with localhost or with your IP. Also check all the parameters in this
> > page.
>
> Here the logs when I start the petals instance:
>
> [petals.RMI] JMX RMI server started at :
> service:jmx:rmi:///jndi/rmi://eva-01.linagora.lan:7701/jmxRmiConnector

oups, read 7700 here, I paste the log from the second instance, not the
primary one

>
> while I have the following message when trying to connect from webconsole :
>
> Caused by: org.ow2.petals.tools.jmx.api.exception.ConnectionErrorException:
> Can not connect using URI :
> service:jmx:rmi:///jndi/rmi://eva-01.linagora.lan:7700/management/rmi-jmx-c
>onnector with petals/petals
>
> the URI seem different..
>
> Regards

--
Bruno Bonfils
Équipe Sécurité - Groupe LINAGORA

[phone]


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