HDFS-16501. Print the exception when reporting a bad block

liubingxing · liubingxing · commit 9aacbf092aa2 · 2022-03-11T11:38:23.000+08:00
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
@@ -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);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -293,7 +293,7 @@ public void handle(ExtendedBlock block, IOException e) {`
`293`	`293`	`volume, block);`
`294`	`294`	`return;`
`295`	`295`	`}`
`296`		`- LOG.warn("Reporting bad {} on {}", block, volume);`
	`296`	`+ LOG.warn("Reporting bad {} on {}", block, volume, e);`
`297`	`297`	`scanner.datanode.handleBadBlock(block, e, true);`
`298`	`298`	`}`
`299`	`299`	`}`