[AMBARI-14147] RU: Kafka broker restart failed on downgrade from HDP 2.3 to 2.2

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.0
• Component/s: ambari-server
• Epic Link: Stop-and-Start Upgrade of the Stack
• Assignee: Alejandro Fernandez
• Reporter: Alejandro Fernandez
• Created: 02/Dec/15 01:01
• Updated: 03/Dec/15 02:40
• Resolved: 02/Dec/15 18:37

Description

ambari-server version: ambari-server-2.1.3.0-493
ambari-server --hash: 498fa8d24b18c7a2e498675c060f83c6325a15fc

HDP Version: 2.2.8.0-3150
Kafka service
Rolling Upgrade to 2.3.4.0-3335, then downgrade

Kafka broker restart failed on downgrade. (Upgrade had no issues)

Traceback (most recent call last):
  File \"/var/lib/ambari-agent/cache/common-services/KAFKA/0.8.1.2.2/package/scripts/kafka_broker.py\", line 101, in <module>
    KafkaBroker().execute()
  File \"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py\", line 217, in execute
    method(env)
  File \"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py\", line 506, in restart
    self.pre_upgrade_restart(env, upgrade_type=upgrade_type)
  File \"/var/lib/ambari-agent/cache/common-services/KAFKA/0.8.1.2.2/package/scripts/kafka_broker.py\", line 67, in pre_upgrade_restart
    self.configure(env)
  File \"/var/lib/ambari-agent/cache/common-services/KAFKA/0.8.1.2.2/package/scripts/kafka_broker.py\", line 44, in configure
    kafka()
  File \"/var/lib/ambari-agent/cache/common-services/KAFKA/0.8.1.2.2/package/scripts/kafka.py\", line 53, in kafka
    listeners = kafka_server_config['listeners'].replace(\"localhost\", params.hostname)
KeyError: 'listeners'",

Issue Links

• links to: Code Review patch