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https://issues.apache.org/jira/browse/AMQ-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy Bish closed AMQ-1873.
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Resolution: Duplicate
This is in some ways related to AMQ-3393. There is also the fact that Stomp 1.0
doesn't allow for a keep alive so sometimes connection drops aren't detected.
Reopen if the problem persists.
> Stomp connections doesn't seem to be released cleanly (Too many open files
> error)
> ---------------------------------------------------------------------------------
>
> Key: AMQ-1873
> URL: https://issues.apache.org/jira/browse/AMQ-1873
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.1.0
> Environment: Linux RHEL 4
> java version "1.5.0_15"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_15-b04)
> Java HotSpot(TM) Server VM (build 1.5.0_15-b04, mixed mode)
> Reporter: Julien Devemy
> Fix For: NEEDS_REVIEWED
>
> Attachments: activemq.xml
>
>
> I'm actually testing ActiveMQ with a python stomp Client (stomp.py
> http://www.briggs.net.nz/log/projects/stomppy/).
> I'm trying to load the broker with ~200 producers (on ~200 hosts) feeding one
> TOPIC for only one consumer.
> Everything is working almost fine until the client connection fails.
> The ActiveMQ log displays :
> ...
> 2008-07-30 09:28:43,665 [localhost:61613] ERROR TransportConnector
> - Could not accept connection : Too many open files
> 2008-07-30 09:28:43,665 [localhost:61613] DEBUG TransportConnector
> - Reason: Too many open files
> java.net.SocketException: Too many open files
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> at java.net.ServerSocket.implAccept(ServerSocket.java:450)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at
> org.apache.activemq.transport.tcp.TcpTransportServer.run(TcpTransportServer.java:221)
> at java.lang.Thread.run(Thread.java:595)
> When I look at the open files (or connections) (with lsof) I see 65446 lines
> like :
> java 26765 root *066u sock 0,4 7534034 can't identify
> protocol
> This seems to indicate that ActiveMQ doesn't totally released the UNIX socket
> I'm attaching the activemq.xml conf file.
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