[jira] [Updated] (OOZIE-3156) SSH action status turns OK wrongly when failed to connect to host

["TIAN XING (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OOZIE-3156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

TIAN XING updated OOZIE-3156:
-----------------------------
    Affects Version/s:     (was: 4.3.0)
                           (was: 4.2.0)
                           (was: 4.1.0)
                           (was: 4.0.0)
        Fix Version/s:     (was: 4.3.0)

> SSH action status turns OK wrongly when failed to connect to host
> -----------------------------------------------------------------
>
>                 Key: OOZIE-3156
>                 URL: https://issues.apache.org/jira/browse/OOZIE-3156
>             Project: Oozie
>          Issue Type: Bug
>          Components: action
>            Reporter: TIAN XING
>            Assignee: TIAN XING
>            Priority: Major
>         Attachments: ssh-check-bug.patch
>
>
> When {{check()}} method of {{SshActionExecutor}} gets invoked, oozie will ssh connect to the host and check whether action shell pid is still there (by checking the returned value of command {{ssh $hostIp ps -p $pid}} ) to determine whether the action is running or not.
> However, there are cases where oozie fails to connect to the host during action status check (e.g., the host is under heavy load, or network is bad etc.).
> In such cases, the return value of the command {{ssh $hostIp ps -p $pid}} will be 255 (ssh command exits with the exit status of the remote command or with 255 if an error occurred.).
> According the current logic of method {{getActionStatus()}} in {{SshActionExecutor}}, the action status will be determined as OK which may not be correct. 



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