Grokbase Groups Tomcat users May 2011
FAQ

[Tomcat-users] Tomcat 6 Clustering vs. Tomcat 5.5 clustering

Martin Knoblauch
May 23, 2011 at 12:13 pm
Hi,

while moving an application from Tomcat 5.5 to Tomcat 6 I found some
differences in clustering, that I could not resolve myself:

e. G. What happened to replicationMode, ackTimeout waitForAck? In TC 5.5 I had:

<Sender

className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
replicationMode="fastasyncqueue"
ackTimeout="15000"
waitForAck="true"/>

Are they still available with
"org.apache.catalina.tribes.transport.ReplicationTransmitter"?

Thanks
Martin
------------------------------------------------------
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www: http://www.knobisoft.de


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6 responses

  • Martin Knoblauch at May 23, 2011 at 12:51 pm
    Hi,

    while moving an application from Tomcat 5.5 to Tomcat 6 I found some
    differences in clustering, that I could not resolve myself:

    e. G. What happened to replicationMode, ackTimeout waitForAck? In TC 5.5 I had:

    <Sender
    className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
    replicationMode="fastasyncqueue"
    ackTimeout="15000"
    waitForAck="true"/>

    Are they still available with
    "org.apache.catalina.tribes.transport.ReplicationTransmitter"?

    Also, can I assume the "bindAddress" from
    "org.apache.catalina.cluster.mcast.McastService" is the same as "bind" from
    "org.apache.catalina.tribes.membership.McastService"?

    Thanks
    Martin
    ------------------------------------------------------
    Martin Knoblauch
    email: k n o b i AT knobisoft DOT de
    www: http://www.knobisoft.de


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  • Filip Hanik - Dev Lists at Jun 6, 2011 at 11:07 pm

    On 5/23/2011 6:50 AM, Martin Knoblauch wrote:
    Hi,

    while moving an application from Tomcat 5.5 to Tomcat 6 I found some
    differences in clustering, that I could not resolve myself:

    e. G. What happened to replicationMode, ackTimeout waitForAck? In TC 5.5 I had:

    <Sender
    className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
    replicationMode="fastasyncqueue"
    ackTimeout="15000"
    waitForAck="true"/>
    channelSendOptions
    http://tomcat.apache.org/tomcat-6.0-doc/config/cluster.html

    Are they still available with
    "org.apache.catalina.tribes.transport.ReplicationTransmitter"?

    Also, can I assume the "bindAddress" from
    "org.apache.catalina.cluster.mcast.McastService" is the same as "bind" from
    "org.apache.catalina.tribes.membership.McastService"?
    yes
    http://tomcat.apache.org/tomcat-6.0-doc/config/cluster-membership.html
    Thanks
    Martin
    ------------------------------------------------------
    Martin Knoblauch
    email: k n o b i AT knobisoft DOT de
    www: http://www.knobisoft.de


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  • Martin Knoblauch at Jun 7, 2011 at 9:56 am
    Hi,

    I almost forgot about this one :-)
    ----- Original Message ----

    From: Filip Hanik - Dev Lists <devlists@hanik.com>
    To: Tomcat Users List <users@tomcat.apache.org>
    Sent: Tue, June 7, 2011 1:07:20 AM
    Subject: Re: Tomcat 6 Clustering vs. Tomcat 5.5 clustering
    On 5/23/2011 6:50 AM, Martin Knoblauch wrote:
    Hi,

    while moving an application from Tomcat 5.5 to Tomcat 6 I found some
    differences in clustering, that I could not resolve myself:

    e. G. What happened to replicationMode, ackTimeout waitForAck? In TC 5.5 I had:
    <Sender
    className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
    replicationMode="fastasyncqueue"
    ackTimeout="15000"
    waitForAck="true"/>
    channelSendOptions
    http://tomcat.apache.org/tomcat-6.0-doc/config/cluster.html
    I know those pages. They are not that much helpful (IMO) in the transition.
    What I am looking for is a kind of side-by-side comparison of what changed
    between 5.5 and 6.0. Any pointers are welcome.
    Are they still available with
    "org.apache.catalina.tribes.transport.ReplicationTransmitter"?

    Also, can I assume the "bindAddress" from
    "org.apache.catalina.cluster.mcast.McastService" is the same as "bind"
    from
    "org.apache.catalina.tribes.membership.McastService"?
    yes
    http://tomcat.apache.org/tomcat-6.0-doc/config/cluster-membership.html
    OK, I figured that out.

    Cheers
    Martin


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  • Tauqir Akhtar at Jun 9, 2011 at 2:04 pm
    Hi

    I am running two Tomcat (5.5.27) Instances on two different machines deploying the same Java Application.

    I have made changes in server.xml to specify the Port on which Tomcat should run on the two machines.

    On Machine 1 : <Connector port="8001"

    On Machine 12 : <Connector port="8002"

    Both the Instances are running fine.

    What other configuration changes (In which files) do I need to make to run these two Tomcat Instances in one Cluster?

    I have following variables set in the machine environment:

    CATALINA_OPTS : -Xms512m -Xmx1024m
    JAVA_OPTS : -Xmx768m
    JAVA_HOME : C:\Program Files\Java\jdk1.5.0_11

    What other changes I need to make to run more Tomcat Instances from the same Installation on each machine?

    For Example:
    On Machine 1 : <Connector port="8001"
    <Connector port="8003"

    On Machine 2 : <Connector port="8002"
    <Connector port="8004"

    I want to run all these instances in a cluster.

    Your help will be highly appreciated.

    Thanks
    Tauqir

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  • Pid at Jun 9, 2011 at 2:27 pm

    On 09/06/2011 15:02, Tauqir Akhtar wrote:
    Hi

    I am running two Tomcat (5.5.27) Instances on two different machines deploying the same Java Application.
    If this is a new request for help, rather than a reply to "Tomcat 6
    Clustering vs. Tomcat 5.5 clustering" please start a new thread, rather
    than replying to an existing email & just editing the subject & body.

    This is called thread hijacking.


    p
  • Tauqir Akhtar at Jun 9, 2011 at 2:32 pm
    Sorry abt that.
    I have created a new request now.

    Thanks

    Tauqir Akhtar

    -----Original Message-----
    From: Pid
    Sent: Thursday, June 09, 2011 10:27 AM
    To: Tomcat Users List
    Subject: Re: Tomcat 5.5 Clustering
    On 09/06/2011 15:02, Tauqir Akhtar wrote:
    Hi

    I am running two Tomcat (5.5.27) Instances on two different machines deploying the same Java Application.
    If this is a new request for help, rather than a reply to "Tomcat 6
    Clustering vs. Tomcat 5.5 clustering" please start a new thread, rather
    than replying to an existing email & just editing the subject & body.

    This is called thread hijacking.


    p


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