From b1f7f788fda60d1f50bc4a398ede5c2b31246884 Mon Sep 17 00:00:00 2001
From: gaojun2048 <gaojun2048@gmail.com>
Date: Wed, 16 Mar 2022 11:07:59 +0800
Subject: [PATCH] blank path should not be read (#8883)

---
 .../server/log/LoggerRequestProcessor.java               | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/dolphinscheduler-log-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java b/dolphinscheduler-log-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java
index 46e6e48c23..afc914ef05 100644
--- a/dolphinscheduler-log-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java
+++ b/dolphinscheduler-log-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java
@@ -151,11 +151,12 @@ public class LoggerRequestProcessor implements NettyRequestProcessor {
         if (StringUtils.isBlank(dsHome)) {
             dsHome = System.getProperty("user.dir");
         }
-        if (path.startsWith(dsHome) && !path.contains("../") && path.endsWith(".log")) {
-            return true;
+        if (StringUtils.isBlank(path)) {
+            logger.warn("path is null");
+            return false;
+        } else {
+            return path.startsWith(dsHome) && !path.contains("../") && path.endsWith(".log");
         }
-
-        return false;
     }
 
     public ExecutorService getExecutor() {