This release contains the following bug fixes:
| Component | Apache JIRA | Key | Summary |
| Falcon | BUG-28213 | BUG-28212 (2.1) - falcon needs to use coord:dataInPartitions('input', 'hive-export') instead of coord:dataInPartitionFilter for hive export with multiple partition keys | |
| Flume | BUG-28516 | Flume - Address Security Issues in Jetty 6.1.26 | |
| HBase | https://issues.apache.org/jira/browse/HBASE-12533 | BUG-28135 | (2.1) Staging directories are not deleted after secure bulk load |
| HBase | HBASE-12791 | BUG-29998 | (2.1) HBase does not attempt to clean up an aborted SPLIT when the Regions Server is shutting down. |
| HBase | BUG-28682 | HBase - Address Security Issues in Jetty 6.1.26 | |
| HDFS | HDFS-7503 | BUG-29088 | 2.1 Namenode restart after a large deletion could cause slow processReport. |
| HDFS | HDFS-7005 | BUG-29743 | (2.1) backport HDFS-7005 into 2.1-maint |
| Hive | HIVE-7203 | BUG-28765 | (HIVE-7203) Optimize limit 0 - backport to 2.1-maint and 2.1.10.1 for Teradata request |
| Hive | HIVE-8566 | BUG-27152 | (2.1) Vectorization to_date(timestamp column) returns incorrect values ORC table |
| Hive | HIVE-7473 | BUG-25815 | (HIVE-7473) getPrimitiveJavaObject() throws NPE with NULL decimal values |
| Hive | HIVE-6679 | BUG-21861 | HiveServer2 should support TCP Keepalive & Server Socket Timeout on blocking calls |
| Hive | HIVE-6468 | BUG-21946 | HiveServer2 (tcp mode, with SASL layer) OOMs when getting a non-thrift message |
| Hive | HIVE-9168 | BUG-28168 | (2.1-maint) [HIVE-9168] Vectorization coalesce gives wrong result, or ArrayOutofIndex error |
| Hive | HIVE-8888 | BUG-28870 | (2.1) Hive on Tez query output duplicate rows when there is explode in subqueries for joins |
| Hive | HIVE-8719 | BUG-24087 | load data or insert into partition changes partition location previously defined. |
| Hive | HIVE-8295 | BUG-27301 | (2.1) directSQL with Oracle metastore fails with error ORA-01795, Maximum number of expression can not be more than 1000 |
| Hive | BUG-27162 | After upgrade from HDP 2.1.3 > 2.1.10 Hive jobs failing with NPE related to PTFs and null values - Tez & MR | |
| Hive | HIVE-9359 | BUG-24531 | Hive export OOM error when table is huge. (32TB data, 4800+ partitions) |
| Hive | BUG-22746 | (2.1) HiveServer2 should support non-kerberos authentication (LDAP or LDAP+kerberos) on a secure cluster. | |
| Hue | BUG-28340 | Security scan -- Hue Web application is vulnerable for XML External Entity Processing (XXE) attacks in the Oozie Workflow | |
| Hue | BUG-28341 | Security scan -- Horizontal escalation (Can view others jobs through Hue interface) | |
| Knox | https://issues.apache.org/jira/browse/KNOX-459 | BUG-26393 | Knox user hitting the ulimit and return 500 error code |
| Knox | BUG-25774 | Knox vulnerable to Poodle Attack - Baikal Backport | |
| Knox | KNOX-464 | BUG-27211 | 2.1-maint - Knox not returning proper redirection url when executing file creation/upload operation via load balancer. |
| Knox | KNOX-464 | BUG-28352 | Hotfix - Knox not returning proper redirection url when executing file creation/upload operation via load balancer. |
| MapReduce | BUG-29068 | (PatchRelease) Microsoft requesting a hotfix for MAPREDUCE-32 | |
| MapReduce | https://issues.apache.org/jira/browse/HADOOP-799 | BUG-29424 | (2.1) Microsoft requesting a hotfix for MAPREDUCE-32 |
| Oozie | BUG-26761 | (2.1) Oozie vulnerable to Poodle Attack | |
| Pig | BUG-28642 | Backport pig.blacklist feature to 2.1-maint | |
| YARN | BUG-28771 | (2.1) Jobs submitted that require 2 mappers and 32 reducers to a 16 node cluster causing a "deadlock" situation |
