From 7cd1caa1ecd4983dacc9705468a09d402780721c Mon Sep 17 00:00:00 2001
From: zhangduo <zhangduo@apache.org>
Date: Sat, 8 Jun 2019 14:06:38 +0800
Subject: [PATCH] HBASE-22477 Throwing exception when meta region is not in
 OPEN state in client registry may crash a master

---
 .../java/org/apache/hadoop/hbase/client/ZKAsyncRegistry.java  | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZKAsyncRegistry.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZKAsyncRegistry.java
index efeb887e5ed..36fa6bba754 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZKAsyncRegistry.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZKAsyncRegistry.java
@@ -158,9 +158,7 @@ class ZKAsyncRegistry implements AsyncRegistry {
           }
           Pair<RegionState.State, ServerName> stateAndServerName = getStateAndServerName(proto);
           if (stateAndServerName.getFirst() != RegionState.State.OPEN) {
-            future.completeExceptionally(
-              new IOException("Meta region is in state " + stateAndServerName.getFirst()));
-            return;
+            LOG.warn("Meta region is in state " + stateAndServerName.getFirst());
           }
           locs[DEFAULT_REPLICA_ID] = new HRegionLocation(
             getRegionInfoForDefaultReplica(FIRST_META_REGIONINFO), stateAndServerName.getSecond());