From 4aaec5aa3878f1abd3c2b98ba7659431f0a8c9c3 Mon Sep 17 00:00:00 2001
From: Tamas Palfy <tamas.bertalan.palfy@gmail.com>
Date: Tue, 17 Nov 2020 20:44:42 +0100
Subject: [PATCH] NIFI-8020 Make sure TailFile doesn't leave FileChannel open
 when handling NUL characters

Signed-off-by: Pierre Villard <pierre.villard.fr@gmail.com>

This closes #4671.
---
 .../main/java/org/apache/nifi/processors/standard/TailFile.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/TailFile.java b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/TailFile.java
index 6343d327e1..8d96e44fb3 100644
--- a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/TailFile.java
+++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/TailFile.java
@@ -799,6 +799,7 @@ public class TailFile extends AbstractProcessor {
 
         if (abort.get() != null) {
             session.remove(flowFile);
+            tfo.setState(new TailFileState(tailFile, file, reader, position, timestamp, length, checksum, state.getBuffer()));
             throw abort.get();
         }