From 87eeb26e7200fa3be0ca62ebf163985b58ad309e Mon Sep 17 00:00:00 2001
From: Xiao Chen <xiao@apache.org>
Date: Thu, 12 Jul 2018 20:19:14 -0700
Subject: [PATCH] HDFS-13663. Should throw exception when incorrect block size
 is set. Contributed by Shweta.

---
 .../hadoop/hdfs/server/datanode/BlockRecoveryWorker.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockRecoveryWorker.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockRecoveryWorker.java
index 94835e2208..34f6c33003 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockRecoveryWorker.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockRecoveryWorker.java
@@ -275,7 +275,9 @@ void syncBlock(List<BlockRecord> syncList) throws IOException {
         }
         // recover() guarantees syncList will have at least one replica with RWR
         // or better state.
-        assert minLength != Long.MAX_VALUE : "wrong minLength";
+        if (minLength == Long.MAX_VALUE) {
+          throw new IOException("Incorrect block size");
+        }
         newBlock.setNumBytes(minLength);
         break;
       case RUR: