Temporary fix: Clone scan to avoid modifying user object from scan internals. See https://issues.apache.org/jira/browse/HBASE-27402 (#26)

Author: bbeaudreault

hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java

@@ -301,6 +301,10 @@ private Pair<List<byte[]>, List<HRegionLocation>> getKeysAndRegionsInRange(
    */
   @Override
   public ResultScanner getScanner(Scan scan) throws IOException {
+    // Clone to avoid modifying user object from scan internals.
+    // See https://issues.apache.org/jira/browse/HBASE-27402.
+    scan = new Scan(scan);
+
     if (scan.getCaching() <= 0) {
       scan.setCaching(scannerCaching);
     }