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https://issues.apache.org/jira/browse/AMBARI-24654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jayush Luniya updated AMBARI-24654:
-----------------------------------
Fix Version/s: (was: 2.7.2)
2.7.3
> Tasks fail on ambari-agent intermittently under cpu load due to race
> condition in ambari-agent
> ----------------------------------------------------------------------------------------------
>
> Key: AMBARI-24654
> URL: https://issues.apache.org/jira/browse/AMBARI-24654
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.7.3
>
> Attachments: AMBARI-24654.patch, AMBARI-24654.patch
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> INFO 2018-09-13 18:30:15,817 ClusterCache.py:125 - Rewriting cache
> ClusterTopologyCache for cluster 2
> ERROR 2018-09-13 18:30:16,386 CustomServiceOrchestrator.py:456 - Caught
> an exception while executing custom service command: <type
> 'exceptions.TypeError'>: 'NoneType' object has no attribute '__getitem__';
> 'NoneType' object has no attribute '__getitem__'
> 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
> 504, 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 46, in get_configuration
> 'agentLevelParams': {'hostname':
> self.topology_cache.get_current_host_info(cluster_id)['hostName']},
> TypeError: 'NoneType' object has no attribute '__getitem__'
>
> This was found while perf testing.
> However can occur under any circumstances if ambari-agent node if slow enough.
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