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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