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From "Alex Soto (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-2730) Transport failed: java.io.EOFException
Date Tue, 05 Jul 2011 12:42:16 GMT

    [ https://issues.apache.org/jira/browse/AMQ-2730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059868#comment-13059868
] 

Alex Soto commented on AMQ-2730:
--------------------------------

Running into this exact same problem, sometimes resulting in "Too many open files" error that
really renders the server unusable.  Adjusting memory settings as suggested by Scott Emmons
seem to help with the "Too many open files" errors, but I am still seeing the "Transport failed:
java.io.EOFException" errors in the server.  I am afraid this error will cause some other
problem eventually. Please help!

> Transport failed: java.io.EOFException
> --------------------------------------
>
>                 Key: AMQ-2730
>                 URL: https://issues.apache.org/jira/browse/AMQ-2730
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.1
>         Environment: Red hat enterprise
>            Reporter: Dennis Klinkott
>             Fix For: 5.6.0
>
>         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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