[jira] [Created] (AMBARI-24658) Cluster creation fails with KeyError in get_cluster_host_info method of ClusterTopologyCache.py

[Siddharth Wagle (JIRA)]

Siddharth Wagle created AMBARI-24658:
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             Summary: Cluster creation fails with KeyError in 
get_cluster_host_info method of ClusterTopologyCache.py
                 Key: AMBARI-24658
                 URL: https://issues.apache.org/jira/browse/AMBARI-24658
             Project: Ambari
          Issue Type: Bug
          Components: ambari-agent
    Affects Versions: 2.7.0
            Reporter: Siddharth Wagle
            Assignee: Andrew Onischuk
             Fix For: 2.7.2


Cluster creation fails with KeyError in get_cluster_host_info method of 
ClusterTopologyCache.py'

Here is the stacktrace:
{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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