[jira] [Updated] (TS-4743) Parent use consistent_hash Strategy may cause crash while first parent is not set

["Bryan Call (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-4743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Call updated TS-4743:
---------------------------
    Summary: Parent use consistent_hash Strategy may cause crash while first parent is not set   (was: parent use consistent_hash Strategy may cause crash while first parent is not set )

> Parent use consistent_hash Strategy may cause crash while first parent is not set 
> ----------------------------------------------------------------------------------
>
>                 Key: TS-4743
>                 URL: https://issues.apache.org/jira/browse/TS-4743
>             Project: Traffic Server
>          Issue Type: Bug
>            Reporter: xiangdong chen
>            Assignee: John Rushford
>             Fix For: 7.0.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> my parent.config
> eg :
> dest_domain=.  secondary_parent="192.168.104.229:80|1.0; 192.168.104.182:80|1.0"  round_robin=consistent_hash
> the crash place is :
> DEBUG: <ParentConsistentHash.cc:167 (selectParent)> (parent_select) wrap_around[PRIMARY]: 1, wrap_around[SECONDARY]: 0
> traffic_server: Segmentation fault (Address not mapped to object [0x10])
> ParentConsistentHash.cc:167 code:
> Debug("parent_select", "Selected parent %s is not available, looking up another parent.", pRec->hostname);
> Fix the code like
> Debug("parent_select", "Selected parent %s is not available, looking up another parent.", pRec ? pRec->hostname:"[NULL]");



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