[jira] [Resolved] (AMBARI-4621) Host Components stuck in Installing state

["Siddharth Wagle (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-4621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Wagle resolved AMBARI-4621.
-------------------------------------

    Resolution: Fixed

Committed to trunk.

> Host Components stuck in Installing state
> -----------------------------------------
>
>                 Key: AMBARI-4621
>                 URL: https://issues.apache.org/jira/browse/AMBARI-4621
>             Project: Ambari
>          Issue Type: Task
>          Components: controller
>    Affects Versions: 1.5.0
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>             Fix For: 1.5.0
>
>
> *Steps to reproduce:*
> # Start 10 node cluster.
> # On Step-9 of installer wizard while ongoing install command, Stopped ambari-agent on 9 hosts.
> # Hit Retry button.
> # Some of the host_components ended up in INSTALL_FAILED state, some in UNKNOWN state and others in INSTALLING state. Host components in INSTALLING state never transitioned to any other state.
> *Reason*:
> The _ActionScehduler.doWork()_ depends on the HostRoles to timeout before aborting the operation in order to update Host Component status.
> This particular issue is caused by a the timing of the change in Host state to UNKNOWN, which happens after processing of in progress stages and before Abort. 



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