[hbase] branch master updated: HBASE-23983 Fixed Spotbugs complaint in RegionStates related to ignored return value

[ja...@apache.org]

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janh pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/master by this push:
     new aa966e3  HBASE-23983 Fixed Spotbugs complaint in RegionStates related to ignored return value
aa966e3 is described below

commit aa966e354aa02f5572fc06427dfa0617b4e0123b
Author: Jan Hentschel <ja...@ultratendency.com>
AuthorDate: Wed Mar 25 00:02:54 2020 +0100

    HBASE-23983 Fixed Spotbugs complaint in RegionStates related to ignored return value
    
    Signed-off-by: Duo Zhang <zh...@apache.org>
---
 .../org/apache/hadoop/hbase/master/assignment/RegionStates.java     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStates.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStates.java
index 7c0f6f8..3bb3c4c 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStates.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStates.java
@@ -129,7 +129,11 @@ public class RegionStates {
     synchronized (regionsMapLock) {
       RegionStateNode node = regionsMap.computeIfAbsent(regionInfo.getRegionName(),
         key -> new RegionStateNode(regionInfo, regionInTransition));
-      encodedRegionsMap.putIfAbsent(regionInfo.getEncodedName(), node);
+
+      if (encodedRegionsMap.get(regionInfo.getEncodedName()) != node) {
+        encodedRegionsMap.put(regionInfo.getEncodedName(), node);
+      }
+
       return node;
     }
   }