dieter von holten created CAMEL-12061:
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Summary: SFTP exception-handling more problemtatic than documented
Key: CAMEL-12061
URL: https://issues.apache.org/jira/browse/CAMEL-12061
Project: Camel
Issue Type: Bug
Components: camel-sftp
Affects Versions: 2.20.1
Environment: java 8, windows 2008 r2,
Reporter: dieter von holten
Priority: Minor
my poll-sftp-server-for-files-to-download route crashes fom time to time. i
happend to get a stacktrace which indicates an IoException when the SFTP
component changes the folder to inspect on the remote site. Can happen -
however, contrary to the documentation, which says an exception produces a
warning and is otherwise ignored, the whole application goes down.
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{{
Dez 04, 2017 3:45:34 PM org.apache.camel.component.file.remote.RemoteFilePolling
ConsumerPollStrategy rollback
WARNUNG: Trying to recover by disconnecting from remote server forcing a
re-connect at next poll: sftp://XXXXXXXXXXXXXXXX
Dez 04, 2017 3:45:34 PM org.apache.camel.util.CamelLogger log
WARNUNG: Consumer
Consumer[sftp://XXXXXXXXXXXXX/out/prod/?delay=30000&delete=true&localWorkDirectory=c%3A%2FMarta%2FHgmTkw14%2Femcs%2Ftemp%2F&password=
xxxxxx] failed polling endpoint:
sftp://XXXXXXXXXXXXX/out/prod/?delay=30000&delete=true&localWorkDirectory=c%3A%2FMarta%2FHgmTkw14%2Femcs%2Ftemp%2F&pas
sword=xxxxxx. Will try again at next poll. Caused by:
[org.apache.camel.component.file.GenericFileOperationFailedException - Cannot
change directory to: out]
org.apache.camel.component.file.GenericFileOperationFailedException: Cannot
change directory to: out
at
org.apache.camel.component.file.remote.SftpOperations.doChangeDirectory(SftpOperations.java:609)
at
org.apache.camel.component.file.remote.SftpOperations.changeCurrentDirectory(SftpOperations.java:597)
at
org.apache.camel.component.file.remote.SftpConsumer.doPollDirectory(SftpConsumer.java:108)
at
org.apache.camel.component.file.remote.SftpConsumer.pollDirectory(SftpConsumer.java:80)
at
org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileConsumer.java:124)
at
org.apache.camel.impl.ScheduledPollConsumer.doRun(ScheduledPollConsumer.java:174)
at
org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:101)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: 4:
at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:359)
at
org.apache.camel.component.file.remote.SftpOperations.doChangeDirectory(SftpOperations.java:607)
... 13 more
Caused by: java.io.IOException: inputstream is closed
at com.jcraft.jsch.ChannelSftp.fill(ChannelSftp.java:2911)
at com.jcraft.jsch.ChannelSftp.header(ChannelSftp.java:2935)
at com.jcraft.jsch.ChannelSftp._realpath(ChannelSftp.java:2355)
at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:342)
... 14 more
}}
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