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From "Goran Pugar (JIRA)" <>
Subject [jira] Created: (AMQ-2619) Transport fails IOException (Unknown data type: 0)
Date Fri, 19 Feb 2010 11:08:40 GMT
Transport fails IOException (Unknown data type: 0)

                 Key: AMQ-2619
             Project: ActiveMQ
          Issue Type: Bug
    Affects Versions: 5.3.0
            Reporter: Goran Pugar

In setup with 2 brokers connected with ConduitBridge, we have a problem with network connector
which is ocasionally disconnected because of (Unknown data type: 0) on
other node - stack trace attached below.
Network connector reconnects after some time, but we have some message loss since we use syncSend=false
on queues.

10:33:32,539 DEBUG [Transport           ] Transport failed: Unknown data
type: 0 Unknown data type: 0
        at org.apache.activemq.openwire.OpenWireFormat.tightUnmarshalNestedObject(
        at org.apache.activemq.openwire.v5.BaseDataStreamMarshaller.tightUnmarsalNestedObject(
        at org.apache.activemq.openwire.v5.MessageMarshaller.tightUnmarshal(
        at org.apache.activemq.openwire.v5.ActiveMQMessageMarshaller.tightUnmarshal(
        at org.apache.activemq.openwire.v5.ActiveMQObjectMessageMarshaller.tightUnmarshal(
        at org.apache.activemq.openwire.OpenWireFormat.doUnmarshal(
        at org.apache.activemq.openwire.OpenWireFormat.unmarshal(
        at org.apache.activemq.transport.tcp.TcpTransport.readCommand(
        at org.apache.activemq.transport.tcp.TcpTransport.doRun(
10:33:32,541 DEBUG [TransportConnection ] Stopping connection: /
10:33:32,542 DEBUG [TransportConnection ] Stopped transport: /
10:33:32,542 DEBUG [TransportConnection ] Cleaning up connection resources: /
10:33:32,542 DEBUG [AbstractRegion      ] mgw.broker01 removing consumer: ID:node2-42470-1264024561798-1382:0:1:1
for destination: topic://ActiveMQ.Advisory.Consumer.>
10:33:32,561 DEBUG [TransportConnection ] Connection Stopped: /

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