[jira] [Created] (CAMEL-8639) Camel FTP component cannot recover after network failure

["Marcin Marzyński (JIRA)" <ji...@apache.org>]

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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