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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
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Himanshu Mittal commented on CAMEL-8860:
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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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