Apache Nifi : ListSFTP Processor Failed to properly initialize Processor

Question

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:

cotopaul · Accepted Answer

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/284517I 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

hackerway · Answer

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:

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