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From "Bruce Snyder (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-2730) Transport failed: java.io.EOFException
Date Wed, 29 Sep 2010 17:27:42 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-2730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=62231#action_62231
] 

Bruce Snyder commented on AMQ-2730:
-----------------------------------

@IP, That error is different and can occur for a couple of reasons:

# The resources available to broker are so consumed that there are not enough available to
spawn the necessary thread to allow the handshake or the broker is so slow in creating the
thread that a timeout occurs before the handshake. 
#* The solution is to either free up resources or give the broker more resources (i.e., memory).

# A client connects to a port that is not an endpoint for the TCP transport. Even though the
client connects to the broker, the full handshake is not completed and a timeout occurs. 
#* The solution is to connect to the correct port number. 


> Transport failed: java.io.EOFException
> --------------------------------------
>
>                 Key: AMQ-2730
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2730
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.1
>         Environment: Red hat enterprise
>            Reporter: Dennis Klinkott
>             Fix For: 5.5.0
>
>         Attachments: TCP Dump.jpg
>
>
> We see many Exceptions of this type in the broker logs: 
> 2010-05-12 14:10:03,490 | DEBUG | Transport failed: java.io.EOFException | org.apache.activemq.broker.TransportConnection.Transport
| ActiveMQ Transport: tcp:///10.231.233.55:50809
> java.io.EOFException
>         at java.io.DataInputStream.readInt(DataInputStream.java:375)
>         at org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.java:269)
>         at org.apache.activemq.transport.tcp.TcpTransport.readCommand(TcpTransport.java:211)
>         at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:203)
>         at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:186)
>         at java.lang.Thread.run(Thread.java:619)
> This exception occurs with a lot of clients that run on different machines.
> One case where we almost always see this exception is when shutting down a bridge. We
did a tcp dump on the broker and on the client machine: there a no packets lost.
> LOG ON BRIDGE:
> 2010-05-12 14:10:02,634 INFO  org.apache.activemq.broker.BrokerService - ActiveMQ Message
Broker (solr-2073bridge, ID:solr-2073-50804-
> 1273665033782-0:0) is shutting down
> 2010-05-12 14:10:02,799 INFO  org.apache.activemq.network.jms.JmsConnector - JMS Connector
Connector:0 Stopped
> 2010-05-12 14:10:02,819 INFO  org.apache.activemq.broker.BrokerService - ActiveMQ JMS
Message Broker (solr-2073bridge, ID:solr-2073-50
> 804-1273665033782-0:0) stopped
> LOG ON BROKER:
> 2010-05-12 14:10:03,490 | DEBUG | Transport failed: java.io.EOFException | org.apache.activemq.broker.TransportConnection.Transport
| ActiveMQ Transport: tcp:///10.231.233.55:50809
> java.io.EOFException
>         at java.io.DataInputStream.readInt(DataInputStream.java:375)
>         at org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.java:269)
>         at org.apache.activemq.transport.tcp.TcpTransport.readCommand(TcpTransport.java:211)
>         at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:203)
>         at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:186)
>         at java.lang.Thread.run(Thread.java:619)
> 2010-05-12 14:10:03,492 | DEBUG | Stopping connection: /10.231.233.55:50809 | org.apache.activemq.broker.TransportConnection
| ActiveMQ Task
> 2010-05-12 14:10:03,492 | DEBUG | Stopping transport tcp:///10.231.233.55:50809 | org.apache.activemq.transport.tcp.TcpTransport
| ActiveMQ Task
> 2010-05-12 14:10:03,493 | DEBUG | Stopped transport: /10.231.233.55:50809 | org.apache.activemq.broker.TransportConnection
| ActiveMQ Task
> 2010-05-12 14:10:03,493 | DEBUG | Cleaning up connection resources: /10.231.233.55:50809
| org.apache.activemq.broker.TransportConnection | ActiveMQ Task
> 2010-05-12 14:10:03,493 | DEBUG | remove connection id: ID:solr-2073-50804-1273665033782-2:0
| org.apache.activemq.broker.TransportConnection | ActiveMQ Task
> 2010-05-12 14:10:03,493 | DEBUG | jms1 removing consumer: ID:solr-2073-50804-1273665033782-2:0:225:1
for destination: temp-queue://ID:solr-2073-50804-1273665033782-2:0:105 | org.apache.activemq.broker.region.AbstractRegion
| ActiveMQ Task
> 2010-05-12 14:10:03,493 | DEBUG | remove sub: QueueSubscription: consumer=ID:solr-2073-50804-1273665033782-2:0:225:1,
destinations=1, dispatched=0, delivered=0, pending=0, lastDeliveredSeqId: 0, dequeues: 0,
dispatched: 0, inflight: 0 | org.apache.activemq.broker.region.Queue | ActiveMQ Task

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