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Message-ID: <5f4a64610505220928240064d@mail.gmail.com>
Date: Mon, 23 May 2005 02:28:49 +1000
From: Ben <newreaders@gmail.com>
Reply-To: Ben <newreaders@gmail.com>
To: Tomcat Users List <tomcat-user@jakarta.apache.org>
Subject: Re: Clustering Tomcat
In-Reply-To: <BC06706ADDC5F74E83B8DB4D998E770369C87A@exchair2.becogent.com>
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References: <BC06706ADDC5F74E83B8DB4D998E770369C87A@exchair2.becogent.com>

It was my firewall. The servers are working now, however I get these
error messages when I stop and start one of the two Tomcat instances:

May 21, 2005 5:09:20 PM org.apache.catalina.cluster.tcp.SimpleTcpCluster se=
nd
SEVERE: Unable to send message through cluster sender.
java.io.IOException: Sender not available. Make sure sender
information is available to the ReplicationTransmitter.
        at org.apache.catalina.cluster.tcp.ReplicationTransmitter.sendMessa=
geData(ReplicationTransmitter.java:641)
        at org.apache.catalina.cluster.tcp.ReplicationTransmitter.sendMessa=
ge(ReplicationTransmitter.java:331)
        at org.apache.catalina.cluster.tcp.SimpleTcpCluster.send(SimpleTcpC=
luster.java:463)
        at org.apache.catalina.cluster.session.DeltaManager.messageReceived=
(DeltaManager.java:860)
        at org.apache.catalina.cluster.session.DeltaManager.messageDataRece=
ived(DeltaManager.java:724)
        at org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataRece=
ived(SimpleTcpCluster.java:658)
        at org.apache.catalina.cluster.io.ObjectReader.execute(ObjectReader=
.java:103)
        at org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChanne=
l(TcpReplicationThread.java:129)
        at org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpRepl=
icationThread.java:67)
May 21, 2005 5:09:24 PM org.apache.catalina.cluster.tcp.DataSender <init>

Thanks
Ben


On 5/22/05, Dale, Matt <Matt.Dale@becogent.com> wrote:
>=20
> It looks like your machine is unable to send a multicast message. It will=
 be an operating system configuration.
>=20
> Ta
> Matt
>=20
> -----Original Message-----
> From: Ben [mailto:newreaders@gmail.com]
> Sent: 21 May 2005 02:11
> To: Tomcat
> Subject: Clustering Tomcat
>=20
>=20
> Hi
>=20
> I'm trying to configure clustering of 2 Tomcat servers on a single
> CentOS 4 machine. When I start the first Tomcat, I get error  messages
> like this in the catalina.out log file:
>=20
> org.apache.catalina.cluster.mcast.McastServiceImpl$SenderThread run
> WARNING: Unable to send mcast message.
> java.net.SocketException: Operation not permitted
>         at jrockit.net.SocketNativeIO.send(Ljava.io.FileDescriptor;[BIILj=
ava.net.InetAddress;II)I(Unknown
> Source)
>         at java.net.PlainDatagramSocketImpl.send(Ljava.net.DatagramPacket=
;[BI)V(Unknown
> Source)
>         at java.net.PlainDatagramSocketImpl.send(Ljava.net.DatagramPacket=
;)V(Unknown
> Source)
>         at java.net.DatagramSocket.send(DatagramSocket.java:612)
>         at org.apache.catalina.cluster.mcast.McastServiceImpl.send(McastS=
erviceImpl.java:228)
>         at org.apache.catalina.cluster.mcast.McastServiceImpl$SenderThrea=
d.run(McastServiceImpl.java:264)
>=20
>=20
> I am using JRockit 5.0_02 and Tomcat 5.5.9.
>=20
> Where can I find more information about this error?
>=20
> Thanks,
> Ben
>=20
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>=20
>=20
> ---------------------------------------------------------------------
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>=20
>

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