Marcin Marzyński created CAMEL-8639:
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Summary: Camel FTP component cannot recover after network failure
Key: CAMEL-8639
URL: https://issues.apache.org/jira/browse/CAMEL-8639
Project: Camel
Issue Type: Bug
Components: camel-ftp
Reporter: Marcin Marzyński
Camel FTP endpoint cannot recover by itself after network failure if no custom
PollingConsumerPollStrategy is defined. Few years ago there was similar issue
(https://issues.apache.org/jira/browse/CAMEL-1838), and it was fixed by adding
in RemoteFileConsumer:
this.setPollStrategy(new RemoteFilePollingConsumerPollStrategy());
However it is broken again, as FtpEndpoint is overriding it with
DefaultPollingConsumerPollStrategy in initConsumerProperties method, inherited
from ScheduledPollEndpoint. I believe RemoteFilePollingConsumerPollStrategy
should be used as default in RemoteFileEndpoint as well.
Adding this.setPollStrategy(new RemoteFilePollingConsumerPollStrategy()); in
RemoteFilePollingConsumerPollStrategy should fix this issue.
Workaround for this bug is to create RemoteFilePollingConsumerPollStrategy in
the registry and provide it directly to FTP endpoint by adding
consumer.pollStrategy=#myRemoteFilePollingConsumerPollStrategyBeanId to the
URL. This is also why FromFtpSimulateNetworkIssueRecoverTest didn't catch it -
it's using custom PollingStrategy.
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