From 9aacbf092aa2d52810ae92f409e09c81df53dcb1 Mon Sep 17 00:00:00 2001
From: liubingxing <liubingxing@bigo.sg>
Date: Fri, 11 Mar 2022 11:38:08 +0800
Subject: [PATCH] HDFS-16501. Print the exception when reporting a bad block

---
 .../org/apache/hadoop/hdfs/server/datanode/VolumeScanner.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/VolumeScanner.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/VolumeScanner.java
index 5ab5b49e1a8aa..d8f1e23ec379b 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/VolumeScanner.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/VolumeScanner.java
@@ -293,7 +293,7 @@ public void handle(ExtendedBlock block, IOException e) {
             volume, block);
         return;
       }
-      LOG.warn("Reporting bad {} on {}", block, volume);
+      LOG.warn("Reporting bad {} on {}", block, volume, e);
       scanner.datanode.handleBadBlock(block, e, true);
     }
   }