Andrew Onischuk created AMBARI-25604:
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Summary: During blueprint deploy tasks sometimes fail due to
KeyError on large clusters
Key: AMBARI-25604
URL: https://issues.apache.org/jira/browse/AMBARI-25604
Project: Ambari
Issue Type: Bug
Reporter: Andrew Onischuk
Assignee: Andrew Onischuk
Fix For: 2.7.6
During blueprint deploy we don't rely on topology cache since
[https://issues.apache.org/jira/browse/AMBARI-23660] So topology is send with
command. BUT the problem occurs when we still try to generate it on agent and
fail. {code:java} ERROR 2020-12-10 06:30:09,350
CustomServiceOrchestrator.py:459 - Caught an exception while executing custom
service command: : 10; 10 Traceback (most recent call last): File "/usr/lib
/ambari-agent/lib/ambari_agent/CustomServiceOrchestrator.py", line 324, in
runCommand command = self.generate_command(command_header) File "/usr/lib
/ambari-agent/lib/ambari_agent/CustomServiceOrchestrator.py", line 507, in
generate_command command_dict =
self.configuration_builder.get_configuration(cluster_id, service_name,
component_name, required_config_timestamp) File "/usr/lib/ambari-
agent/lib/ambari_agent/ConfigurationBuilder.py", line 43, in get_configuration
'clusterHostInfo': self.topology_cache.get_cluster_host_info(cluster_id), File
"/usr/lib/ambari-agent/lib/ambari_agent/Utils.py", line 230, in newFunction
return f(*args, **kw) File "/usr/lib/ambari-
agent/lib/ambari_agent/ClusterTopologyCache.py", line 112, in
get_cluster_host_info hostnames =
[self.hosts_to_id[cluster_id][host_id].hostName for host_id in
component_dict.hostIds] KeyError: 10{code}
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