[hbase] branch branch-2.4 updated: HBASE-26429 HeapMemoryManager fails memstore flushes with NPE if enabled (#3819)

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apurtell pushed a commit to branch branch-2.4
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2.4 by this push:
     new 6057265  HBASE-26429 HeapMemoryManager fails memstore flushes with NPE if enabled (#3819)
6057265 is described below

commit 6057265388240b49273bc8e32633c2073dea060a
Author: Andrew Purtell <ap...@apache.org>
AuthorDate: Mon Nov 8 18:31:21 2021 -0800

    HBASE-26429 HeapMemoryManager fails memstore flushes with NPE if enabled (#3819)
    
    Signed-off-by: Duo Zhang <zh...@apache.org>
    Signed-off-by: Viraj Jasani <vj...@apache.org>
---
 .../java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
index 1f6a350..88a70b7 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
@@ -653,9 +653,9 @@ class MemStoreFlusher implements FlushRequester {
     FlushType type = null;
     if (emergencyFlush) {
       type = isAboveHighWaterMark();
-      if (type == null) {
-        type = isAboveLowWaterMark();
-      }
+    }
+    if (type == null) {
+      type = isAboveLowWaterMark();
     }
     for (FlushRequestListener listener : flushRequestListeners) {
       listener.flushRequested(type, region);