From 2f2884fd6b052d7536ac984de4df2d24a7736a2f Mon Sep 17 00:00:00 2001
From: Aaron Wang <wangweirao16@gmail.com>
Date: Tue, 19 Sep 2023 18:29:33 +0800
Subject: [PATCH] [Fix-14895][API] Keep printing null if task log file not
 exist (#14912)

---
 .../dolphinscheduler/api/service/impl/LoggerServiceImpl.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/LoggerServiceImpl.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/LoggerServiceImpl.java
index 69c7ba1a01..ab4929648a 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/LoggerServiceImpl.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/LoggerServiceImpl.java
@@ -261,7 +261,9 @@ public class LoggerServiceImpl extends BaseServiceImpl implements LoggerService
                 log.error("Error while getting log from remote target", e);
             }
         }
-        sb.append(logContent);
+        if (logContent != null) {
+            sb.append(logContent);
+        }
         return sb.toString();
     }