Index: hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java =================================================================== --- hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java (revision 1488178) +++ hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java (working copy) @@ -605,10 +605,9 @@ */ static byte[][] findMemstoresWithEditsEqualOrOlderThan( final long walSeqNum, final Map regionsToSeqNums) { - List regions = null; + List regions = new ArrayList(); for (Map.Entry e : regionsToSeqNums.entrySet()) { if (e.getValue().longValue() <= walSeqNum) { - if (regions == null) regions = new ArrayList(); regions.add(e.getKey()); } }