And yet another piece of the puzzle...  I also get the stacktrace [2] below
when closing the application.  Is this the same thing that is fixed with
JIRA issue NET-3 [1]?  

Regards, 

Gert

[1] https://issues.apache.org/jira/browse/NET-3
[2] the stack trace
java.io.IOException: Fatal thread interruption during read.

        at
org.apache.commons.net.telnet.TelnetInputStream.read(TelnetInputStream.java:344)

        at
org.apache.commons.net.telnet.TelnetInputStream.read(TelnetInputStream.java:466)

        at java.io.BufferedInputStream.read1(BufferedInputStream.java:254)

        at java.io.BufferedInputStream.read(BufferedInputStream.java:313)

        at
sun.nio.cs.StreamDecoder$CharsetSD.readBytes(StreamDecoder.java:411)

        at
sun.nio.cs.StreamDecoder$CharsetSD.implRead(StreamDecoder.java:453)

        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:183)

        at java.io.InputStreamReader.read(InputStreamReader.java:167)

        at java.io.BufferedReader.fill(BufferedReader.java:136)

        at java.io.BufferedReader.readLine(BufferedReader.java:299)

        at java.io.BufferedReader.readLine(BufferedReader.java:362)

        at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:264)

        at org.apache.commons.net.ftp.FTP.getReply(FTP.java:605)

        at
org.apache.commons.net.ftp.FTPClient.completePendingCommand(FTPClient.java:1253)

        at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)

        at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2364)

        at
org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2141)

        at
org.apache.servicemix.ftp.FtpPollerEndpoint.pollFileOrDirectory(FtpPollerEndpoint.java:210)

        at
org.apache.servicemix.ftp.FtpPollerEndpoint.pollFileOrDirectory(FtpPollerEndpoint.java:202)

        at
org.apache.servicemix.ftp.FtpPollerEndpoint.poll(FtpPollerEndpoint.java:77)

        at
org.apache.servicemix.common.endpoints.PollingEndpoint$PollSchedulerTask$1.run(PollingEndpoint.java:155)

        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)

        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)

        at java.lang.Thread.run(Thread.java:595)


Gert Vanthienen wrote:
> 
> L.S.,
> 
> I have changed the FTP poller's code, so the stream is always closed and
> completePendingCommand is called, but that doesn't solve my problem.  One
> additional observation though: the problem only occurs when the FTP server
> is Microsoft's IIS...  Any thoughts?
> 
> Regards,
> 
> Gert
> 
> 
> Gert Vanthienen wrote:
>> 
>> L.S.,
>> 
>> Still trying to solve the FTP problem in ServiceMix, I'm a bit unsure
>> about the usage of completePendingCommand() in our code, which looks
>> about like this:
>> - calling retrieveInputStream() 
>> - reading from the the stream
>> - closing the stream 
>> - call the completePendingCommand() method
>> 
>> Under some conditions (Exceptions being thrown), the close() and
>> completePendingCommand() are never called.  Could the Exception below be
>> caused by continuing to use the same FTPClient instance for other FTP
>> operations afterwards?
>> 
>> Regards,
>> 
>> Gert
>> 
>> 
>> Gert Vanthienen wrote:
>>> 
>>> Rory,
>>> 
>>> We are using commons-net-1.4.1.jar.
>>> 
>>> Gert
>>> 
>>> 
>>> 
>>> Rory Winston wrote:
>>>> 
>>>> Gert
>>>> 
>>>> What version of [net] are you using?
>>>> Rory
>>>> 
>>>> "Jakarta Commons Users List" <commons-user@jakarta.apache.org> wrote:
>>>> 
>>>>> 
>>>>> 
>>>>> L.S.,
>>>>> 
>>>>> 
>>>>> I'm using Apache ServiceMix's FTP component, which uses commons net
>>>>> FTPClient classes internally to poll for files on an FTP server. 
>>>>> After a
>>>>> while, the polling threads lock up with the stacktrace mentioned
>>>>> below: I'm
>>>>> trying to solve this issue.  What can be the cause of this lockup and
>>>>> how
>>>>> can I avoid this?  Is there a way to specify a time-out on this
>>>>> operation?
>>>>> 
>>>>> 
>>>>> Regards,
>>>>> 
>>>>> Gert Vanthienen
>>>>> 
>>>>> 
>>>>> 
>>>>> Stack trace:
>>>>>    java.net.PlainSocketImpl.socketAccept(Native Method)
>>>>>    java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>>>>>    java.net.ServerSocket.implAccept(ServerSocket.java:450)
>>>>>    java.net.ServerSocket.accept(ServerSocket.java:421)
>>>>>   
>>>>> org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:502)
>>>>>   
>>>>> org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2390)
>>>>>   
>>>>> org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2364)
>>>>>    org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2141)
>>>>>   
>>>>> org.apache.servicemix.ftp.FtpPollerEndpoint.pollFileOrDirectory(FtpPollerEndpoint.java:211)
>>>>>   
>>>>> org.apache.servicemix.ftp.FtpPollerEndpoint.pollFileOrDirectory(FtpPollerEndpoint.java:203)
>>>>>   
>>>>> org.apache.servicemix.ftp.FtpPollerEndpoint.poll(FtpPollerEndpoint.java:78)
>>>>>    ...
>>>>> -- 
>>>>> View this message in context:
>>>>> http://www.nabble.com/-net--FTPClient.listFiles-stalls...-tf3491086.html#a9749725
>>>>> Sent from the Commons - User mailing list archive at Nabble.com.
>>>>> 
>>>>> 
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>>>>> 
>>>>> 
>>>> 
>>>> 
>>>> 
>>>> -----------------------------------------------------------------
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>>>> 
>>>> 
>>>> 
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>>>> 
>>>> 
>>> 
>>> 
>> 
>> 
> 
> 

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