[NIFI-6699] GetSFTP and ListSFTP Fail on File Symbolic Links

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.9.2, 1.15.3
• Fix Version/s: 1.16.0
• Component/s: Core Framework
• Assignee: David Handermann
• Reporter: R.G. Karthic Balaji
• Created: 21/Sep/19 13:02
• Updated: 04/Feb/22 23:51
• Resolved: 04/Feb/22 23:43

Description

I am using NiFi 1.9.2 and when started performing GetSFTP from source having a symlink file, I am unable to perform the GetSFTP operation and getting below log
 
I have set the symlink property to true in GetSFTP,

from /GKBalaajee/input/bulkstat.tgz/bulkstat.tgz; skipping: java.io.FileNotFoundException: Could not perform listing on /GKBalaajee/input/bulkstat.tgz/bulkstat.tgz because could not find the file on the remote server
java.io.FileNotFoundException: Could not perform listing on /GKBalaajee/input/bulkstat.tgz/bulkstat.tgz because could not find the file on the remote server
        at org.apache.nifi.processors.standard.util.SFTPTransfer.getListing(SFTPTransfer.java:268)
        at org.apache.nifi.processors.standard.util.SFTPTransfer.getListing(SFTPTransfer.java:282)
        at org.apache.nifi.processors.standard.util.SFTPTransfer.getListing(SFTPTransfer.java:282)
        at org.apache.nifi.processors.standard.util.SFTPTransfer.getListing(SFTPTransfer.java:175)
        at org.apache.nifi.processors.standard.GetFileTransfer.fetchListing(GetFileTransfer.java:284)
        at org.apache.nifi.processors.standard.GetFileTransfer.onTrigger(GetFileTransfer.java:127)
        at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
        at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1162)
        at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:209)
        at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117)
        at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)

Issue Links

• links to: GitHub Pull Request #4090
• links to: GitHub Pull Request #5744