HBASE-28297 IntegrationTestImportTsv fails with ArrayIndexOfOutBounds (…

…#5612)

Signed-off-by: Nihal Jain <nihaljain@apache.org>
(cherry picked from commit a09305d)

hbase-it/src/test/java/org/apache/hadoop/hbase/mapreduce/IntegrationTestImportTsv.java

@@ -60,6 +60,7 @@
 import org.slf4j.LoggerFactory;
 
 import org.apache.hbase.thirdparty.com.google.common.base.Splitter;
+import org.apache.hbase.thirdparty.com.google.common.base.Strings;
 
 /**
  * Validate ImportTsv + BulkLoadFiles on a distributed cluster.
@@ -85,6 +86,9 @@ public class IntegrationTestImportTsv extends Configured implements Tool {
       {
         byte[] family = Bytes.toBytes("d");
         for (String line : Splitter.on('\n').split(simple_tsv)) {
+          if (Strings.isNullOrEmpty(line)) {
+            continue;
+          }
           String[] row = line.split("\t");
           byte[] key = Bytes.toBytes(row[0]);
           long ts = Long.parseLong(row[1]);