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https://issues.apache.org/jira/browse/CAMEL-8860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14616703#comment-14616703
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Himanshu Mittal commented on CAMEL-8860:
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Hi Grzegorz Grzybek,
I am using {{vsftp version 2.2.2 with camel 2.14. }}
Could it be an issue with the ftp server ?
In above comments you have mentioned that even without {{tempfileName}} in URI
you are seeing 1000 connection in TIME_WAIT and you have {{disconnect=false}}
set in URI.
With this configuration it should not have opened 1000 connection in TIME_WAIT.
That means sockets are not re-used . I am not sure whether my understanding is
correct here.
Do you have any other alternative to avoid these many connection ?
> 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: NetStat_NoTempFIle.PNG, NetStat_Passive_False.PNG,
> NetStat_Passive_true.PNG, Passive_false.log, Passive_false_NoTempFile.log,
> Passive_true.log, ResultWithOutTempFileName.log, ResultWithTempfileName.log,
> Result_With_tempfileName_FTPServer_Connection_Count.PNG,
> Result_Without_tempfilename.PNG, TestFTPConnectionLeak.java
>
>
> 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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