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Date: Tue, 30 Jun 2015 10:59:04 +0000 (UTC)
From: "Himanshu Mittal (JIRA)" <jira@apache.org>
To: issues@camel.apache.org
Message-ID: <JIRA.12837120.1434026177000.57091.1435661944600@Atlassian.JIRA>
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 <JIRA.12837120.1434026177889@arcas>
Subject: [jira] [Commented] (CAMEL-8860) Too many connection in TIME_WAIT
 when tempfilename is set in the FTP producer URI.
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    [ https://issues.apache.org/jira/browse/CAMEL-8860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14608120#comment-14608120 ] 

Himanshu Mittal commented on CAMEL-8860:
----------------------------------------

Grzegorz Grzybek,

I have attached Camel logs and screenshot for netstat command which I executed on ftp server during file processing. Screen shot clearly shows that there are tcp connection which keep creating per file . (Output keep increasing).

I have attached the sample java used in my test scenario.

> Too many connection in TIME_WAIT when tempfilename is set in the FTP producer URI.
> ----------------------------------------------------------------------------------
>
>                 Key: CAMEL-8860
>                 URL: https://issues.apache.org/jira/browse/CAMEL-8860
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-ftp
>    Affects Versions: 2.14.0
>            Reporter: Himanshu Mittal
>            Assignee: Grzegorz Grzybek
>         Attachments: FTPServer_Connection_Count.PNG, Remote.log
>
>
> So many connections remain in TIME_WAIT state while configuring a FTP producer route with tempfilename property in FTP producer. 
> Files are writen using producer template.
> Producertemplate.sendBodyAndHeader(producerURI, Exchange.FILE_NAME, fileName) to write file to destination. 
> Producer URI : {{ftp://<USER@MACHINE_ADDRESS>//?password=RAW(PASSWORD)&binary=true&passiveMode=false&delete=true&pollStrategy=#ConsumerPollStrategy&disconnect=false&tempFileName=/temp/hello.tmp&initialDelay=10&throwExceptionOnConnectFailed=true&reconnectDelay=10&maximumReconnectAttempts=0&maxMessagesPerPoll=100&readLock=changed&readLockCheckInterval=500&readLockMinLength=1&sendEmptyMessageWhenIdle=true}}
> fileName: {{file.tmp}}
> We are writing ~ 2000 files . First files are written to temp directory then moved to destination. Connections opened for tempfiles are not re used to write temporary files and we run out of connection after writing 1000 files. 
> Route resumes once connections are released. 
> Is there a way we can  reuse connection to write temporary files also.
> Once tempfilename is removed from the configuration then single connection is used for ftp transfer.


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