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From "Karl Palsson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CAMEL-2165) ftp uploads can fail: File operation failed: Connection closed without indication.. Code: 421
Date Mon, 16 Nov 2009 14:31:52 GMT

    [ https://issues.apache.org/activemq/browse/CAMEL-2165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=55457#action_55457
] 

Karl Palsson commented on CAMEL-2165:
-------------------------------------

The error messages are better, but this doesn't fix the problem.

FTP consumers that get connection problems attempt to reopen the connection.  FTP producers
open the connection once, and then simply fail if the connection has been closed.  I want
the ftp producer to attempt to reopen the connection as well.

I currently work around this by having a timer triggered ftp write, to the same endpoint url,
which works, but seems a little hacky.

        // hack to keep the ftp connection alive...
        from("timer://foo?fixedRate=true&period=45000")
                .setHeader(Exchange.FILE_NAME, constant(".keepalive.tmp"))
                .setBody(constant("File written periodically to keep the ftp endpoint alive..."))
                .to(ftpDestinationURI);


> ftp uploads can fail: File operation failed:  Connection closed without indication..
Code: 421
> ----------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-2165
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-2165
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-ftp
>    Affects Versions: 2.0.0
>            Reporter: Karl Palsson
>            Assignee: Claus Ibsen
>            Priority: Minor
>             Fix For: 2.1.0
>
>
> Looks like something that was fixed for CAMEL-444 didn't make it into 2.0?
> On 2.0.0, this is not a warning, this is a fatal.
> SEVERE: Exception occured during execution on the exchange: Exchange[Message: XXXXXX]
> org.apache.camel.CamelExecutionException: Exception occured during execution on the exchange:
Exchange[Message: XXXXX]
>         at org.apache.camel.util.ObjectHelper.wrapCamelExecutionException(ObjectHelper.java:1027)
>         at org.apache.camel.util.ExchangeHelper.extractResultBody(ExchangeHelper.java:479)
>         at org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:431)
>         at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:106)
>         at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:122)
>         at org.apache.camel.impl.DefaultProducerTemplate.requestBody(DefaultProducerTemplate.java:266)
>         at... into my code here...
> Caused by: org.apache.camel.component.file.GenericFileOperationFailedException: File
operation failed:  Connection closed without indication.. Code: 421
>         at org.apache.camel.component.file.remote.FtpOperations.disconnect(FtpOperations.java:167)
>         at org.apache.camel.component.file.remote.RemoteFileProducer.disconnect(RemoteFileProducer.java:77)
>         at org.apache.camel.component.file.remote.RemoteFileProducer.handleFailedWrite(RemoteFileProducer.java:66)
>         at org.apache.camel.component.file.GenericFileProducer.processExchange(GenericFileProducer.java:104)
>         at org.apache.camel.component.file.remote.RemoteFileProducer.process(RemoteFileProducer.java:52)
>         at org.apache.camel.processor.SendProcessor$1.doInProducer(SendProcessor.java:81)
>         at org.apache.camel.processor.SendProcessor$1.doInProducer(SendProcessor.java:79)
>         at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:141)
>         at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:78)
>         at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:61)
>         at org.apache.camel.processor.RedeliveryErrorHandler.processExchange(RedeliveryErrorHandler.java:186)
>         at org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:155)
>         at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:88)
>         at org.apache.camel.processor.DefaultErrorHandler.process(DefaultErrorHandler.java:49)
>         at org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:148)
>         at org.apache.camel.processor.Pipeline.process(Pipeline.java:74)
>         at org.apache.camel.processor.UnitOfWorkProcessor.processNext(UnitOfWorkProcessor.java:54)
>         at org.apache.camel.processor.DelegateProcessor.process(DelegateProcessor.java:48)
>         at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:45)
>         at org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:170)
>         at org.apache.camel.impl.ProducerCache$1.doInProducer(ProducerCache.java:156)
>         at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:141)
>         at org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:155)
>         at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:111)
>         at org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:101)
>         at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:105)
>         ... 37 more
> Caused by: org.apache.commons.net.ftp.FTPConnectionClosedException: Connection closed
without indication.
>         at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:297)
> This is "not what I want"  and there doesn't seem to be any keep alive or other option
on the ftp2 component.

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