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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CAMEL-4269) Connection to sftp server occasionally don't want to come back
Date Tue, 26 Jul 2011 13:13:09 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-4269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Claus Ibsen reassigned CAMEL-4269:
----------------------------------

    Assignee: Claus Ibsen

> Connection to sftp server occasionally don't want to come back
> --------------------------------------------------------------
>
>                 Key: CAMEL-4269
>                 URL: https://issues.apache.org/jira/browse/CAMEL-4269
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-ftp
>    Affects Versions: 2.7.2, 2.7.3
>         Environment: windows, linux
>            Reporter: Marek Niewiadomski
>            Assignee: Claus Ibsen
>         Attachments: Camel-4269-RemoteFileConsumerPatch.txt
>
>
> Problem appear if somebody kill logged on user on sftp server while you are connected
with consumer.
> Camel is not able to reconnect on next poll even if it says that it will do this.
> RemoteFileConsumer is not connected but it thinks that it is still logged in.
> I think "loggedIn" flag should be down after each disconnecting action like in attached
patch.
> {quote}
> 2011-07-24 22:35:14,848 WARN  [RemoteFilePollingConsumerPollStrategy:37] Trying to recover
by disconnecting from remote server forcing a re-connect at next poll: sftp://test@host 
> 2011-07-24 22:35:14,849 WARN  [RemoteFilePollingConsumerPollStrategy:52] Consumer Consumer[sftp://test@host/test?delay=60000&delete=true&localWorkDirectory=%2Fvar%2Ftest%2Ftemp&password=xxxx&throwExceptionOnConnectFailed=true]
could not poll endpoint: sftp://test@host/test?delay=60000&delete=true&localWorkDirectory=%2Fvar%2Ftest%2Ftemp&password=xxxx&throwExceptionOnConnectFailed=true
caused by: Cannot change directory to: test 
> org.apache.camel.component.file.GenericFileOperationFailedException: Cannot change directory
to: test
> 	at org.apache.camel.component.file.remote.SftpOperations.doChangeDirectory(SftpOperations.java:408)
> 	at org.apache.camel.component.file.remote.SftpOperations.changeCurrentDirectory(SftpOperations.java:393)
> 	at org.apache.camel.component.file.remote.SftpConsumer.doPollDirectory(SftpConsumer.java:77)
> 	at org.apache.camel.component.file.remote.SftpConsumer.pollDirectory(SftpConsumer.java:49)
> 	at org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileConsumer.java:83)
> 	at org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:97)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> 	at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
> 	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:662)
> Caused by: 4: 
> 	at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:285)
> 	at org.apache.camel.component.file.remote.SftpOperations.doChangeDirectory(SftpOperations.java:406)
> 	... 14 more
> Caused by: java.io.IOException: Pipe closed
> 	at java.io.PipedInputStream.read(PipedInputStream.java:291)
> 	at java.io.PipedInputStream.read(PipedInputStream.java:361)
> 	at com.jcraft.jsch.ChannelSftp.fill(ChannelSftp.java:2333)
> 	at com.jcraft.jsch.ChannelSftp.header(ChannelSftp.java:2359)
> 	at com.jcraft.jsch.ChannelSftp._realpath(ChannelSftp.java:1819)
> 	at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:268)
> 	... 15 more
> {quote}

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