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Posted to users@tomcat.apache.org by Pid * <pi...@pidster.com> on 2010/06/05 09:23:21 UTC
Re: R: RE: Re: intermittent SocketException on startup tomcat 5.5.28
and under JBOSS 4.2.3GA
On 5 Jun 2010, at 04:33, "agonat@libero.it" <ag...@libero.it> wrote:
> Hi
> I m very tired because the intermittent socket close exception
> reappear.
>
> We now use tomcat 5.5.28 on win2003 ED SO and jdk 1.6.16.
> The error that occours is:
>
> 4-giu-2010 7.48.35
What is the above? It doesn't look familiar to me.
Can you refresh our memories and please post the current server.xml
(comments removed)?
p
> org.apache.tomcat.util.net.PoolTcpEndpoint acceptSocket
> GRAVE: Endpoint ServerSocket
> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
> ignored exception: java.net.SocketException: socket closed
> java.net.SocketException: socket closed
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(Unknown Source)
> at java.net.ServerSocket.implAccept(Unknown Source)
> at java.net.ServerSocket.accept(Unknown Source)
> at
> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
> (DefaultServerSocketFactory.java:61)
> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
> (PoolTcpEndpoint.
> java:408)
> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
> (LeaderFollowerWorkerThread.java:71)
> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
> (ThreadPool.
> java:689)
> at java.lang.Thread.run(Unknown Source)
> 4-giu-2010 7.48.56 org.apache.tomcat.util.net.PoolTcpEndpoint
> acceptSocket
> AVVERTENZA: Reinitializing ServerSocket
> 4-giu-2010 8.04.39 org.apache.tomcat.util.net.PoolTcpEndpoint
> acceptSocket
> GRAVE: Endpoint ServerSocket
> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
> ignored exception: java.net.SocketException: socket closed
> java.net.SocketException: socket closed
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(Unknown Source)
> at java.net.ServerSocket.implAccept(Unknown Source)
> at java.net.ServerSocket.accept(Unknown Source)
> at
> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
> (DefaultServerSocketFactory.java:61)
> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
> (PoolTcpEndpoint.
> java:408)
> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
> (LeaderFollowerWorkerThread.java:71)
> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
> (ThreadPool.
> java:689)
> at java.lang.Thread.run(Unknown Source)
> 4-giu-2010 8.05.00 org.apache.tomcat.util.net.PoolTcpEndpoint
> acceptSocket
> AVVERTENZA: Reinitializing ServerSocket
> 4-giu-2010 8.05.00 org.apache.tomcat.util.net.PoolTcpEndpoint
> acceptSocket
> GRAVE: Endpoint ServerSocket
> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
> ignored exception: java.net.SocketException: socket closed
> java.net.SocketException: socket closed
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(Unknown Source)
> at java.net.ServerSocket.implAccept(Unknown Source)
> at java.net.ServerSocket.accept(Unknown Source)
> at
> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
> (DefaultServerSocketFactory.java:61)
> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
> (PoolTcpEndpoint.
> java:408)
> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
> (LeaderFollowerWorkerThread.java:71)
> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
> (ThreadPool.
> java:689)
> at java.lang.Thread.run(Unknown Source)
> 4-giu-2010 8.05.21 org.apache.tomcat.util.net.PoolTcpEndpoint
> acceptSocket
> AVVERTENZA: Reinitializing ServerSocket
> 4-giu-2010 8.06.55 org.apache.tomcat.util.net.PoolTcpEndpoint
> acceptSocket
> GRAVE: Endpoint ServerSocket
> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
> ignored exception: java.net.SocketException: socket closed
> java.net.SocketException: socket closed
> at java.net.PlainSocketImpl.socketAccept(Native Method) .....
>
> This error slow down the application.
>
> we don't have firewall, pool of tcp connection seem correct, the
> processor
> and memory usage are normal (10% CPU and 50% RAM).
>
>
> How can i investigte who cuse the problem? Jconsole observe memory
> but seem
> not tcp connection.
> How can i understand why i have close socket?
> whath are flakey router error?
> How can i understand if i have saturate the connection on SO?
>
> Thank for all suggest
> Best regards
> Agostino
>
>
>
>
>> ----Messaggio originale----
>> Da: Chuck.Caldarale@unisys.com
>> Data: 24/05/2010 15.38
>> A: "Tomcat Users List"<us...@tomcat.apache.org>, "agonat@libero.it"
> <ag...@libero.it>
>> Ogg: RE: Re: intermittent SocketException on startup tomcat 5.5.28
>> and under
> JBOSS 4.2.3GA
>>
>>> From: agonat@libero.it [mailto:agonat@libero.it]
>>> Subject: R: Re: intermittent SocketException on startup tomcat
>>> 5.5.28
>>> and under JBOSS 4.2.3GA
>>>
>>> ERROR [org.apache.tomcat.util.net.JIoEndpoint]
>>> Socket accept failed
>>> java.net.SocketException: socket closed
>>
>> This isn't really a problem with the Tomcat server - it usually
>> means the
> client terminated the connection attempt before the socket on the
> server end
> could be created. If this is happening persistently, then something
> in between
> the client and Tomcat (e.g., a firewall or flakey router) is
> dropping the
> connection before it can be fully established. There's also a
> possibility that
> Windows is reaching some resource limit and preventing creation of
> the server
> end of the connection.
>>
>> - Chuck
>>
>>
>> THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE
>> PROPRIETARY
> MATERIAL and is thus for use only by the intended recipient. If you
> received
> this in error, please contact the sender and delete the e-mail and its
> attachments from all computers.
>>
>>
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>
---------------------------------------------------------------------
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For additional commands, e-mail: users-help@tomcat.apache.org
Re: R: RE: Re: intermittent SocketException on startup tomcat 5.5.28
and under JBOSS 4.2.3GA
Posted by Pid <pi...@pidster.com>.
On 05/06/2010 10:09, Rainer Jung wrote:
> On 05.06.2010 09:23, Pid * wrote:
>> On 5 Jun 2010, at 04:33, "agonat@libero.it"<ag...@libero.it> wrote:
>>
>>> Hi
>>> I m very tired because the intermittent socket close exception
>>> reappear.
>>>
>>> We now use tomcat 5.5.28 on win2003 ED SO and jdk 1.6.16.
>>> The error that occours is:
>>>
>>> 4-giu-2010 7.48.35
>
> Date and Time in a bit strange format: 4th of June 2010, 07:48:35.
Ah. Yes. :)
p
>> What is the above? It doesn't look familiar to me.
>>
>> Can you refresh our memories and please post the current server.xml
>> (comments removed)?
>>
>>
>> p
>>
>>> org.apache.tomcat.util.net.PoolTcpEndpoint acceptSocket
>>> GRAVE: Endpoint ServerSocket
>>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>>> ignored exception: java.net.SocketException: socket closed
>>> java.net.SocketException: socket closed
>>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>>> at java.net.PlainSocketImpl.accept(Unknown Source)
>>> at java.net.ServerSocket.implAccept(Unknown Source)
>>> at java.net.ServerSocket.accept(Unknown Source)
>>> at
>>> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
>>> (DefaultServerSocketFactory.java:61)
>>> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
>>> (PoolTcpEndpoint.
>>> java:408)
>>> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
>>> (LeaderFollowerWorkerThread.java:71)
>>> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
>>> (ThreadPool.
>>> java:689)
>>> at java.lang.Thread.run(Unknown Source)
>>> 4-giu-2010 7.48.56 org.apache.tomcat.util.net.PoolTcpEndpoint
>>> acceptSocket
>>> AVVERTENZA: Reinitializing ServerSocket
>>> 4-giu-2010 8.04.39 org.apache.tomcat.util.net.PoolTcpEndpoint
>>> acceptSocket
>>> GRAVE: Endpoint ServerSocket
>>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>>> ignored exception: java.net.SocketException: socket closed
>>> java.net.SocketException: socket closed
>>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>>> at java.net.PlainSocketImpl.accept(Unknown Source)
>>> at java.net.ServerSocket.implAccept(Unknown Source)
>>> at java.net.ServerSocket.accept(Unknown Source)
>>> at
>>> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
>>> (DefaultServerSocketFactory.java:61)
>>> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
>>> (PoolTcpEndpoint.
>>> java:408)
>>> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
>>> (LeaderFollowerWorkerThread.java:71)
>>> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
>>> (ThreadPool.
>>> java:689)
>>> at java.lang.Thread.run(Unknown Source)
>>> 4-giu-2010 8.05.00 org.apache.tomcat.util.net.PoolTcpEndpoint
>>> acceptSocket
>>> AVVERTENZA: Reinitializing ServerSocket
>>> 4-giu-2010 8.05.00 org.apache.tomcat.util.net.PoolTcpEndpoint
>>> acceptSocket
>>> GRAVE: Endpoint ServerSocket
>>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>>> ignored exception: java.net.SocketException: socket closed
>>> java.net.SocketException: socket closed
>>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>>> at java.net.PlainSocketImpl.accept(Unknown Source)
>>> at java.net.ServerSocket.implAccept(Unknown Source)
>>> at java.net.ServerSocket.accept(Unknown Source)
>>> at
>>> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
>>> (DefaultServerSocketFactory.java:61)
>>> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
>>> (PoolTcpEndpoint.
>>> java:408)
>>> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
>>> (LeaderFollowerWorkerThread.java:71)
>>> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
>>> (ThreadPool.
>>> java:689)
>>> at java.lang.Thread.run(Unknown Source)
>>> 4-giu-2010 8.05.21 org.apache.tomcat.util.net.PoolTcpEndpoint
>>> acceptSocket
>>> AVVERTENZA: Reinitializing ServerSocket
>>> 4-giu-2010 8.06.55 org.apache.tomcat.util.net.PoolTcpEndpoint
>>> acceptSocket
>>> GRAVE: Endpoint ServerSocket
>>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>>> ignored exception: java.net.SocketException: socket closed
>>> java.net.SocketException: socket closed
>>> at java.net.PlainSocketImpl.socketAccept(Native Method) .....
>>>
>>> This error slow down the application.
>>>
>>> we don't have firewall, pool of tcp connection seem correct, the
>>> processor
>>> and memory usage are normal (10% CPU and 50% RAM).
>>>
>>>
>>> How can i investigte who cuse the problem? Jconsole observe memory
>>> but seem
>>> not tcp connection.
>>> How can i understand why i have close socket?
>>> whath are flakey router error?
>>> How can i understand if i have saturate the connection on SO?
>>>
>>> Thank for all suggest
>>> Best regards
>>> Agostino
>>>
>>>
>>>
>>>
>>>> ----Messaggio originale----
>>>> Da: Chuck.Caldarale@unisys.com
>>>> Data: 24/05/2010 15.38
>>>> A: "Tomcat Users List"<us...@tomcat.apache.org>, "agonat@libero.it"
>>> <ag...@libero.it>
>>>> Ogg: RE: Re: intermittent SocketException on startup tomcat 5.5.28
>>>> and under
>>> JBOSS 4.2.3GA
>>>>
>>>>> From: agonat@libero.it [mailto:agonat@libero.it]
>>>>> Subject: R: Re: intermittent SocketException on startup tomcat
>>>>> 5.5.28
>>>>> and under JBOSS 4.2.3GA
>>>>>
>>>>> ERROR [org.apache.tomcat.util.net.JIoEndpoint]
>>>>> Socket accept failed
>>>>> java.net.SocketException: socket closed
>>>>
>>>> This isn't really a problem with the Tomcat server - it usually
>>>> means the
>>> client terminated the connection attempt before the socket on the
>>> server end
>>> could be created. If this is happening persistently, then something
>>> in between
>>> the client and Tomcat (e.g., a firewall or flakey router) is
>>> dropping the
>>> connection before it can be fully established. There's also a
>>> possibility that
>>> Windows is reaching some resource limit and preventing creation of
>>> the server
>>> end of the connection.
>>>>
>>>> - Chuck
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>
Re: R: RE: Re: intermittent SocketException on startup tomcat 5.5.28
and under JBOSS 4.2.3GA
Posted by Rainer Jung <ra...@kippdata.de>.
On 05.06.2010 09:23, Pid * wrote:
> On 5 Jun 2010, at 04:33, "agonat@libero.it"<ag...@libero.it> wrote:
>
>> Hi
>> I m very tired because the intermittent socket close exception
>> reappear.
>>
>> We now use tomcat 5.5.28 on win2003 ED SO and jdk 1.6.16.
>> The error that occours is:
>>
>> 4-giu-2010 7.48.35
Date and Time in a bit strange format: 4th of June 2010, 07:48:35.
Rainer
> What is the above? It doesn't look familiar to me.
>
> Can you refresh our memories and please post the current server.xml
> (comments removed)?
>
>
> p
>
>> org.apache.tomcat.util.net.PoolTcpEndpoint acceptSocket
>> GRAVE: Endpoint ServerSocket
>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>> ignored exception: java.net.SocketException: socket closed
>> java.net.SocketException: socket closed
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(Unknown Source)
>> at java.net.ServerSocket.implAccept(Unknown Source)
>> at java.net.ServerSocket.accept(Unknown Source)
>> at
>> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
>> (DefaultServerSocketFactory.java:61)
>> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
>> (PoolTcpEndpoint.
>> java:408)
>> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
>> (LeaderFollowerWorkerThread.java:71)
>> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
>> (ThreadPool.
>> java:689)
>> at java.lang.Thread.run(Unknown Source)
>> 4-giu-2010 7.48.56 org.apache.tomcat.util.net.PoolTcpEndpoint
>> acceptSocket
>> AVVERTENZA: Reinitializing ServerSocket
>> 4-giu-2010 8.04.39 org.apache.tomcat.util.net.PoolTcpEndpoint
>> acceptSocket
>> GRAVE: Endpoint ServerSocket
>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>> ignored exception: java.net.SocketException: socket closed
>> java.net.SocketException: socket closed
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(Unknown Source)
>> at java.net.ServerSocket.implAccept(Unknown Source)
>> at java.net.ServerSocket.accept(Unknown Source)
>> at
>> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
>> (DefaultServerSocketFactory.java:61)
>> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
>> (PoolTcpEndpoint.
>> java:408)
>> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
>> (LeaderFollowerWorkerThread.java:71)
>> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
>> (ThreadPool.
>> java:689)
>> at java.lang.Thread.run(Unknown Source)
>> 4-giu-2010 8.05.00 org.apache.tomcat.util.net.PoolTcpEndpoint
>> acceptSocket
>> AVVERTENZA: Reinitializing ServerSocket
>> 4-giu-2010 8.05.00 org.apache.tomcat.util.net.PoolTcpEndpoint
>> acceptSocket
>> GRAVE: Endpoint ServerSocket
>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>> ignored exception: java.net.SocketException: socket closed
>> java.net.SocketException: socket closed
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(Unknown Source)
>> at java.net.ServerSocket.implAccept(Unknown Source)
>> at java.net.ServerSocket.accept(Unknown Source)
>> at
>> org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket
>> (DefaultServerSocketFactory.java:61)
>> at org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket
>> (PoolTcpEndpoint.
>> java:408)
>> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
>> (LeaderFollowerWorkerThread.java:71)
>> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
>> (ThreadPool.
>> java:689)
>> at java.lang.Thread.run(Unknown Source)
>> 4-giu-2010 8.05.21 org.apache.tomcat.util.net.PoolTcpEndpoint
>> acceptSocket
>> AVVERTENZA: Reinitializing ServerSocket
>> 4-giu-2010 8.06.55 org.apache.tomcat.util.net.PoolTcpEndpoint
>> acceptSocket
>> GRAVE: Endpoint ServerSocket
>> [addr=0.0.0.0/0.0.0.0,port=0,localport=8080]
>> ignored exception: java.net.SocketException: socket closed
>> java.net.SocketException: socket closed
>> at java.net.PlainSocketImpl.socketAccept(Native Method) .....
>>
>> This error slow down the application.
>>
>> we don't have firewall, pool of tcp connection seem correct, the
>> processor
>> and memory usage are normal (10% CPU and 50% RAM).
>>
>>
>> How can i investigte who cuse the problem? Jconsole observe memory
>> but seem
>> not tcp connection.
>> How can i understand why i have close socket?
>> whath are flakey router error?
>> How can i understand if i have saturate the connection on SO?
>>
>> Thank for all suggest
>> Best regards
>> Agostino
>>
>>
>>
>>
>>> ----Messaggio originale----
>>> Da: Chuck.Caldarale@unisys.com
>>> Data: 24/05/2010 15.38
>>> A: "Tomcat Users List"<us...@tomcat.apache.org>, "agonat@libero.it"
>> <ag...@libero.it>
>>> Ogg: RE: Re: intermittent SocketException on startup tomcat 5.5.28
>>> and under
>> JBOSS 4.2.3GA
>>>
>>>> From: agonat@libero.it [mailto:agonat@libero.it]
>>>> Subject: R: Re: intermittent SocketException on startup tomcat
>>>> 5.5.28
>>>> and under JBOSS 4.2.3GA
>>>>
>>>> ERROR [org.apache.tomcat.util.net.JIoEndpoint]
>>>> Socket accept failed
>>>> java.net.SocketException: socket closed
>>>
>>> This isn't really a problem with the Tomcat server - it usually
>>> means the
>> client terminated the connection attempt before the socket on the
>> server end
>> could be created. If this is happening persistently, then something
>> in between
>> the client and Tomcat (e.g., a firewall or flakey router) is
>> dropping the
>> connection before it can be fully established. There's also a
>> possibility that
>> Windows is reaching some resource limit and preventing creation of
>> the server
>> end of the connection.
>>>
>>> - Chuck
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