Aravindan Vijayan created AMBARI-24679:
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Summary: Fix race condition in agent during registration and
topology updates.
Key: AMBARI-24679
URL: https://issues.apache.org/jira/browse/AMBARI-24679
Project: Ambari
Issue Type: Bug
Components: ambari-agent
Affects Versions: 2.8.0
Reporter: Aravindan Vijayan
Assignee: Aravindan Vijayan
Fix For: 2.8.0
{code}
ambari_agent - CustomServiceOrchestrator.py - [4840] - root - ERROR - Caught an
exception while executing custom service command: <type 'exceptions.KeyError'>:
7; 7#012Traceback (most recent call last):#012 File
"/usr/lib/ambari-agent/lib/ambari_agent/CustomServiceOrchestrator.py", line
324, in runCommand#012 command = self.generate_command(command_header)#012 File
"/usr/lib/ambari-agent/lib/ambari_agent/CustomServiceOrchestrator.py", line
504, in generate_command#012 command_dict =
self.configuration_builder.get_configuration(cluster_id, service_name,
component_name, required_config_timestamp)#012 File
"/usr/lib/ambari-agent/lib/ambari_agent/ConfigurationBuilder.py", line 43, in
get_configuration#012 'clusterHostInfo':
self.topology_cache.get_cluster_host_info(cluster_id),#012 File
"/usr/lib/ambari-agent/lib/ambari_agent/ClusterTopologyCache.py", line 108, in
get_cluster_host_info#012 hostnames =
[self.hosts_to_id[cluster_id][host_id].hostName for host_id in
component_dict.hostIds]#012KeyError: 7
{code}
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