Apache Ambari Release Notes
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Fixed Issues

Fixed issues represents selected issues that were previously logged through Cloudera Support, but are now addressed in the current release. These issues may have been reported in previous versions within the Known Issues section; meaning they were reported by customers or identified by the Cloudera Quality Engineering team. See Fixed Issues for Ambari 2.7.5.27 section to know more about the cumulative fixes until Ambari 2.7.5.27.

Incorrect-results

Bug ID Apache JIRA Summary
BUG-121927 N/A Configuring YARN with custom queues leads to misleading errors in Stack Advisor
BUG-107724 AMBARI-24302 (Tracking JIRA for 2.6.x) - Dhdp.version shows blank value in process output for Datanodes

Other

Bug ID Apache JIRA Summary
BUG-122369 AMBARI-25412 Remove all tags from logger service methods in ambari-contrib
BUG-122337 N/A HiveServer2 JDBC URL is incorrectly configured in Zeppelin JDBC interpreter
BUG-122165 Ambari-25400 Issue while determining live collector in case of HA
BUG-122125 AMBARI-14526 Ambari Agent SUSE12 Systemd service is not auto starting Ambari agent on system reboot.
BUG-122035 AMBARI-25394 Ambari Metrics whitelisting is failing on * wildcard for HBase Tables
BUG-122032 AMBARI-25397 Upgrading ambari-logsearch-logfeeder to 2.7.4 rpm gives warnings
BUG-121976 AMBARI-25378 500 advisor error with ambari metrics mode set to distributed with OneFS
BUG-121926 N/A Remove hardcoded number of retries from Hive script
BUG-121911 AMBARI-25379 Upgrade AMS Grafana version to 6.4.2
BUG-121898 AMBARI-25399 Add Hive PAM support for service check and alerts
BUG-121879 N/A HDP Stack does not set oozie.server.authentication.type=kerberos resulting in conflicts when KnoxSSO enabled
BUG-121218 N/A Use hdfs resource instead of execute in hive_server_interactive.py
BUG-121024 AMBARI-25333 Regenerate keytab generates empty keytab file if no file is present in cache
BUG-120861 AMBARI-25326 AMS - no HBase and Hive metrics post-upgrade when using 2 collectors
BUG-120603 AMBARI-25395 Update help text in Hive install to reflect an actual JAR file name or provide a clearly formatted example

Performance

Bug ID Apache JIRA Summary
BUG-121889 AMBARI-25385 Reduce cluster creation request processing time
BUG-120989 AMBARI-25332 Kerberos keytab regeneration working slow
BUG-122244 AMBARI-21935 Hive Vectorization: Degraded performance with vectorize UDF
BUG-122079 AMBARI-25156 ClientComponentHasNoStatus exception clutters Operating System's /var/log/messages
BUG-122239 AMBARI-25408 Upgrade Infra Solr to 7.7.2

Security

Bug ID Apache JIRA Summary
BUG-121464 AMBARI-25396 Cross-site scripting vulnerability on Ambari hosts
BUG-122087 N/A Stored XSS vulnerability in rack_info using API
BUG-121361 AMBARI-25384 Cross-site scripting vulnerability in Files View
BUG-122015 AMBARI-25391 Ambari logging Grafana Password in ActionQueue.py
BUG-121801 AMBARI-25390 Disable indexing in /resources endpoint and sub-directories

Stability

Bug ID Apache JIRA Summary
BUG-122238 AMBARI-25403 Ambari Management Pack: Ambari throws 500 error while downloading OneFS client configuration

Supportability

Bug ID Apache JIRA Summary
BUG-121600 N/A For HDP 3.1 HS (container mode) hive.merge.nway.joins is not set to false

Usability

Bug ID Apache JIRA Summary
BUG-121804 AMBARI-25380 UI does not reflect/update task logs

Fixed issues for Ambari 2.7.5.27

Bug ID Apache JIRA Summary
BUG-123914 Fix curator 4.2 to support zookeeper 3.4.x (#3108)
BUG-125601 Secure Atlas executable search path is hardcoded to default (kinit)
BUG-125601 Secure Atlas executable search path is hardcoded to default (kinit)
BUG-125281 Ambari fails to kill datanode processes properly
BUG-125490 Add always_replace flag to HdfsResource
BUG-125325 Make DBConnectionVerification for HiveServer2 optional for users with least privilege mode cluster model.
BUG-125298 Ambari alert for HMS checks fails for hosts not is "hive.metastore.uris"
BUG-124388 AMBARI-25547 AMBARI-25547 Update Grafana version to 6.7.4 to avoid CVE-2020-13379
BUG-124898 Resource Manager not starting with permissions issues
BUG-124464 NodeManager doesn't work after adding a new host to a patch upgraded cluster.
BUG-124066 YARN Timeline Service coprocessor JAR locations incorrect.
BUG-119732 Stack advisor fails because of accessible-node-labels
BUG-122926 Ambari reads incorrect stack version while starting Nodemanager
BUG-122928 HBase master fails to start if it has older hbase-client on the node.
BUG-123951 Rack awareness for Kafka
BUG-123920 Rolling upgrade From 3.1.5.28 to 3.1.5.51 fails with fs.defaultFS viewfs://.
BUG-123609 Custom kinit path not taking effect. Additional patch
AMBARI-25511 hive auth fallback to SIMPLE because startup script fail to do kerberos login
BUG-125775 log4j2 vulnerability fix - transitive dependencies exclusions
BUG-125775 Ambari - log4j2 zero day vulnerability fix - 2.16
BUG-125775 replacing vulnerable log4j2 jars with patched log4j2 jars in apache-solr
BUG-125775 Ambari - log4j2 zero day vulnerability fix
BUG-125281 Ambari fails to kill datanode processes properly
BUG-125490 Add always_replace flag to HdfsResource
BUG-125488 "Loading" pop-up does not disappear after bulk delete hosts.
BUG-125510 Prepare delete identities never triggers 'Remove Keytab Kerberos Client' task.
BUG-125501 [ISILON] [HDP7.1.7] HDP 2.6 to HDP7.1.7 is stuck with "CHECK_KEYTABS KERBEROS/KERBEROS_CLIENT".
BUG-125443 NullPointerException after host deleting
BUG-125400 Deleting identites fails with DB constraint violation after host removal from kerberized cluster
BUG-125374 During host removal, removal of obsolete identities produces null pointer exception
BUG-125328 Optimize getActiveIdentities call and fix the issue with not updating the database with cached identities
BUG-125360 Warning "llap" is not available in the list of valid values.
BUG-125348 Group permission being revoked when associated user permission is modified
BUG-125325 Make DBConnectionVerification for HiveServer2 optional for users with least privilege mode cluster model.
BUG-125282 ConcurrentModificationException during stomp subscriptions processing.
BUG-125291 StackOverflowError appears on MethodArgument*Exception during stomp message handling.
BUG-123485 Add a step during keytabs regeneration to select the config update policy
BUG-124754 Kerberization of the big cluster using Blueprints takes too much time
AMBARI-25533 Delete redundant phantomjs dependency
BUG-124980 Timezone data is outdated
AMBARI-25547 Update Grafana version to 6.7.4 to avoid CVE-2020-13379 (#3279)
AMBARI-25604 During blueprint deploy tasks sometimes fail due to KeyError
AMBARI-25589 When hearbeat is lost sometimes start/stop tasks can hang for a long time.
BUG-123485 Add a step during keytabs regeneration to select the config update policy
BUG-124994 No warning message at changing repo name to an invalid one
BUG-124784 Configs XSS issues
BUG-124715 Ambari UI is taking time to update new IP address
BUG-124612 Primary key duplication error during flushing alerts from alerts cache.
AMBARI-25469 Bad UTF encoding on Alert listener receiver
BUG-124464 NodeManager doesn't work after adding a new host to a patch upgraded cluster.
AMBARI-25571 Vulnerable Spring components in Ambari - CVE-2020">CVE-2020-5398, CVE-2020">CVE-2020-5421
AMBARI-25506 Upgrade Apache Solr version to 7.7.3 in Ambari Infra
AMBARI-25485 Change authentication method from get to post. (#3182)
AMBARI-25265 upgrade AngularJS to v1.7.5 in ambari-admin ui
AMBARI-25472 Disable autocomplete on login screen (#3177)
AMBARI-25477 Add autocomplete off to all forms
AMBARI-25495 Extend the set of headers from server's response.
BUG-123303 Ambari - Path and Domain attribute not set on session cookie
AMBARI-25487 AMBARI-25487.Change authentication method from get to post (#3185)
BUG-124087 File upload/download validation method should be configurable
BUG-124055 Add hosts via Ambari fails during installation of Hive/Spark/other clients.
BUG-122926 Ambari reads incorrect stack version while starting Nodemanager
BUG-123428 ambari upgrade (2.7.4 -> 2.7.5) overwrite infra-solr-xml and infra-solr-env
BUG-123644 Yarn Configs are getting removed by changes in Yarn Queue Manager
BUG-123609 Custom kinit path not taking effect. Additional patch
BUG-123807 Ambari builds are failing with a bower error
BUG-123340 Ambari server should provide HI leader state via API
BUG-123609 Custom kinit path not taking effect
BUG-123228 Ambari's HDFS resource should use hashing to decide if file resources are identical
BUG-123607 Encryption method to AES256 from 3DES on Ambari keystore.
BUG-123544 Ambari UI host Tooltip not showing for some services
BUG-123381 ambari-admin build failed because of the issue with transitive "q" dependency of bower
AMBARI-25457 Hive 3 Grafana dashboards showing outdated metrics (#3168)
AMBARI-25479 Set Keytab: Kerberos Client operation takes lot of time and timing out