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https://issues.apache.org/jira/browse/NIFI-8384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roberta updated NIFI-8384:
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Attachment: (was: lsof_output.zip)
> NiFi 1.12.1 : Too many open files
> ---------------------------------
>
> Key: NIFI-8384
> URL: https://issues.apache.org/jira/browse/NIFI-8384
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.12.1
> Environment: RHEL 7.8
> java version 1.8.0_281
> Reporter: Roberta
> Priority: Major
>
> Hi All,
> Hope everything is fine. I’m writing you as we are experiencing a problem in
> Nifi 1.12.1 on a RHEL 7.8 with java version "1.8.0_281" .
> It is a single node, secured, without any load balancer upstream. However, it
> does have a s2s (it process provenance from another machine), ListSFTP +
> FetchSFTP processors as well as the ExecuteStreamCommand processor.
> After few days running NiFi suddenly shuts down reporting the following
> message:
> INFO [main]org.apache.nifi.bootstrap.Command Apache NiFi is running at PID
> XXXX but is not responding to ping requests
> Looking at the log file we are facing the following WARN:
> WARN [NiFi Web Server-XX-acceptor-X@XXXX
> -ServerConnector@XXXX\{SSL,[ssl,
> http/1.1]}{hostname:9443}]
> o.eclipse.jetty.server.AbstractConnector java.io.IOException: Too many open
> files
> We tried to fix the problem my means of the best practice configurations
> ([https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#configuration-best-practices])
> but the problem persists.
> After some research we found out that a possible cause might be the use of
> the processor FetchSFTP that we use in our flow. It creates always new files
> during SFTP connections (https://issues.apache.org/jira/browse/NIFI-7222). We
> would like to substitute the .nar file you attached to jira but,
> unfortunately, it is no more available.
> Based on your experience, is it possible that the bug found in NiFi 11.1.4
> and 1.12.0 could still be present in the 1.12.1?
> Thank you in advance for your support and let me know if you need further
> details
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