Index: hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/ImportTsv.java =================================================================== --- hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/ImportTsv.java (revision 1539967) +++ hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/ImportTsv.java (working copy) @@ -413,7 +413,8 @@ HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(tableName)); Set cfSet = new HashSet(); for (String aColumn : columns) { - if (TsvParser.ROWKEY_COLUMN_SPEC.equals(aColumn)) continue; + if (TsvParser.ROWKEY_COLUMN_SPEC.equals(aColumn) + || TsvParser.TIMESTAMPKEY_COLUMN_SPEC.equals(aColumn)) continue; // we are only concerned with the first one (in case this is a cf:cq) cfSet.add(aColumn.split(":", 2)[0]); }