[jira] [Created] (CAMEL-6551) FtpConsumer fills up log file with "Cannot connect/login" WARN level messages

["Chris Wolf (JIRA)" <ji...@apache.org>]

Chris Wolf created CAMEL-6551:
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             Summary: FtpConsumer fills up log file with "Cannot connect/login" WARN level messages
                 Key: CAMEL-6551
                 URL: https://issues.apache.org/jira/browse/CAMEL-6551
             Project: Camel
          Issue Type: Improvement
          Components: camel-ftp
    Affects Versions: 2.10.4
         Environment: Windows7-64, JRE-1.6 - but not environment-specific
            Reporter: Chris Wolf
            Priority: Minor


If the FTP server becomes unavailable, the container log gets flooded with WARN-level messages and gets filled with lines like:
16:32:34,511 WARN  [org.apache.camel.component.file.remote.FtpConsumer] Cannot connect/login to: ftp://adpt5@localhost:21. Will skip this poll.
16:32:49,048 WARN  [org.apache.camel.component.file.remote.FtpConsumer] Cannot connect/login to: ftp://adpt5@localhost:21. Will skip this poll.
16:33:03,576 WARN  [org.apache.camel.component.file.remote.FtpConsumer] Cannot connect/login to: ftp://adpt5@localhost:21. Will skip this poll.

i.e. a WARN message gets added to the log every five seconds.  We only need to be notified once per incidence.

The issue is in org.apache.camel.component.file.remote.RemoteFileConsumer.prePollCheck().

I recommend a table of latches, keyed by endpoint key. The latch is set when the initial warning is logged, then cleared upon any subsequent successful connection.  

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