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