question Re: Apache Nifi : ListSFTP Processor Failed to properly initialize Processor in Support Questions

Apache Nifi : ListSFTP Processor Failed to properly initialize Processor

hackerway — Fri, 24 Mar 2023 08:24:27 GMT

Hi, All!

I have a problem with NIFI ListSFTP processor. After started processor errored with

Failed to properly initialize Processor. If still scheduled to run, NiFi will attempt to initialize and run the Processor again after the 'Administrative Yield Duration' has elapsed. Failure is due to java.lang.IllegalArgumentException: A HostProvider may not be empty!: java.lang.IllegalArgumentException: A HostProvider may not be empty!

ListSFTP processor Version 1.12.0 and the Properties as follows:

Error screenshot from UI:

Re: Apache Nifi : ListSFTP Processor Failed to properly initialize Processor

cotopaul — Fri, 24 Mar 2023 09:35:32 GMT

hi @hackerway,

It seems that you have the same exact issue as posted here: https://community.cloudera.com/t5/Support-Questions/NiFi-ListSTFP-hostprovider-may-not-be-empty/m-p/284517

I had the same issue and what @MattWho said in that post helped me solve my issue 🙂

Have a look to the solution and try to see if it will solve your issue.

In addition to the above link, you can also have a look on: https://stackoverflow.com/questions/59826510/a-hostprovider-may-not-be-empty-after-upgrading-to-nifi-1-10

Re: Apache Nifi : ListSFTP Processor Failed to properly initialize Processor

hackerway — Fri, 24 Mar 2023 11:17:36 GMT

Hi @cotopaul Thanks for the response. As you rightly pointed out, it's the same issue. However, I'm still facing the problem. I have configured the 'zookeeper.properties' as below:

Re: Apache Nifi : ListSFTP Processor Failed to properly initialize Processor

cotopaul — Fri, 24 Mar 2023 11:34:35 GMT

@hackerwayhow does your state-management.xml look like? Are you using the embedded zookeeper by any chance?

Re: Apache Nifi : ListSFTP Processor Failed to properly initialize Processor

hackerway — Sat, 25 Mar 2023 01:14:50 GMT

Thanks @cotopaul state-management.xml Connect String was missing , Yes