[ 
https://issues.apache.org/jira/browse/KYLIN-4074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

nichunen reopened KYLIN-4074:
-----------------------------

Reopen to set fix version

> Exception in thread "Memcached IO over {MemcachedConnection to ..." 
> java.lang.NullPointerException
> --------------------------------------------------------------------------------------------------
>
>                 Key: KYLIN-4074
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4074
>             Project: Kylin
>          Issue Type: Bug
>    Affects Versions: v2.4.0, v2.5.0, v2.6.2
>            Reporter: Temple Zhou
>            Assignee: Temple Zhou
>            Priority: Major
>             Fix For: v3.0.0-alpha2
>
>
> This exception will lead to the failure of thread "Memcached IO over  
> \{MemcachedConnection to ...\}",
> so, the inputQueue of memcache client will be blocked, and every request will 
> take 2000ms (timeout).
> The log is as follows:
> {code:java}
> 2019-07-01 15:21:24,039 INFO  [Query 
> 3f75c477-9c38-35bf-24a0-656459d9ebb1-212641] v2.CubeHBaseEndpointRPC:197 : 
> Query-3f75c477-9c38-35bf-24a0-656459d9ebb1: no segment result is cached for 
> segment:1102_pv_uv_users_di[20160701000000_20170101000000], take time:2000ms
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.14#76016)

Reply via email to