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From naga007 <NSo...@gmail.com>
Subject Re: [Spam: 5.0] Network/Cluster of Brokers - Please help
Date Mon, 26 Feb 2007 15:10:05 GMT


use failover:(tcp://host1:61616,tcp://host2:61616) uri format for the
client.s


Gaurav Hariani wrote:
> 
> I'm trying to setup a cluster of Brokers (standalone) which clients can
> connect to (ideally I would like them to be discovered)
> listening to a TOPIC. In the case of a broker failing, the clients
> connected to that broker should reconnect to another broker.
> 
> I'm able to get clients to connect to a random broker (given a static
> list), but when I kill a broker, clients connected to that broker die with
> the following exception:
> 
> Feb 23, 2007 4:28:47 PM
> org.apache.activemq.transport.failover.FailoverTransport
> handleTransportFailure
> INFO: Transport failed, attempting to automatically reconnect due to:
> java.net.SocketException: Connection reset java.net.SocketException:
> Connection reset
>        at java.net.SocketInputStream.read(Unknown Source)
>        at
> org.apache.activemq.transport.tcp.TcpBufferedInputStream.fill(TcpBufferedInputStream.java:49)
>        at
> org.apache.activemq.transport.tcp.TcpBufferedInputStream.read(TcpBufferedInputStream.java:56)
>        at java.io.DataInputStream.readInt(Unknown Source)
>        at
> org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.java:267)
>        at
> org.apache.activemq.transport.tcp.TcpTransport.readCommand(TcpTransport.java:156)
>        at
> org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:136)
>        at java.lang.Thread.run(Unknown Source)
> 
> Also restarting the broker and the disconnected clients the restarted
> clients don't get messages from the other clients.
> 
> The clients are using the following URL to connect:
> java.naming.provider.url=static://(tcp://host1:61616,tcp://host2:61616)?failover=true
> 
> 
> The brokers are configured with the following
> 
> host1:
>    <transportConnectors>
>       <transportConnector name="openwire" uri="tcp://host1:61616"
> discoveryUri="multicast://default"/>
>    </transportConnectors>
>    <networkConnectors>
>      <networkConnector name="host1 and host2"
> uri="static://(tcp://host1:61616,tcp://host2:61616)" failover="true"/>
>    </networkConnectors>
> 
> 
> host2:
>    <transportConnectors>
>       <transportConnector name="openwire" uri="tcp://host2:61616"
> discoveryUri="multicast://default"/>
>    </transportConnectors>
>    <networkConnectors>
>      <networkConnector name="host1 and host2"
> uri="static://(tcp://host1:61616,tcp://host2:61616)" failover="true"/>
>    </networkConnectors>
> 
> 
> 
> Is there something obvious that I'm missing.
> Also is there possible to use similar clients using the .NET API?
> 
> Thanks,
> 
> Gaurav Hariani
> 
> 
> 
> 

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