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https://issues.apache.org/jira/browse/AMBARI-25604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhiguo Wu updated AMBARI-25604:
-------------------------------
Fix Version/s: 2.8.0
> 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
> Priority: Major
> Fix For: 2.8.0, 2.7.6
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> During blueprint deploy we don't rely on topology cache since AMBARI-23660
> So correct topology is send with
> the command, however the topology from the topology event can be wrong as per
> AMBARI-23660.
> The problem occurs when we still try to process broken topology from the
> event on agent. Agent need to handle this failure with a warning. Currently
> it just fails the whole command.
> {code:java}ERROR 2020-12-10 06:30:09,350 CustomServiceOrchestrator.py:459 -
> Caught an exception while executing custom service command: <type
> 'exceptions.KeyError'>: 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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