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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3697) check port availability when starts kylin instance
Date Tue, 20 Nov 2018 13:56:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16693264#comment-16693264
] 

ASF GitHub Bot commented on KYLIN-3697:
---------------------------------------

codecov-io commented on issue #353: KYLIN-3697 Check port availability when starts kylin instance
URL: https://github.com/apache/kylin/pull/353#issuecomment-440281351
 
 
   # [Codecov](https://codecov.io/gh/apache/kylin/pull/353?src=pr&el=h1) Report
   > Merging [#353](https://codecov.io/gh/apache/kylin/pull/353?src=pr&el=desc) into
[master](https://codecov.io/gh/apache/kylin/commit/4e0340737fc39364c23c6b7d6d5f604a8e2eca7f?src=pr&el=desc)
will **increase** coverage by `<.01%`.
   > The diff coverage is `n/a`.
   
   [![Impacted file tree graph](https://codecov.io/gh/apache/kylin/pull/353/graphs/tree.svg?width=650&token=JawVgbgsVo&height=150&src=pr)](https://codecov.io/gh/apache/kylin/pull/353?src=pr&el=tree)
   
   ```diff
   @@             Coverage Diff              @@
   ##             master     #353      +/-   ##
   ============================================
   + Coverage      23.6%   23.61%   +<.01%     
   - Complexity     4824     4825       +1     
   ============================================
     Files          1133     1133              
     Lines         68102    68102              
     Branches       9659     9659              
   ============================================
   + Hits          16077    16080       +3     
   + Misses        50458    50457       -1     
   + Partials       1567     1565       -2
   ```
   
   
   | [Impacted Files](https://codecov.io/gh/apache/kylin/pull/353?src=pr&el=tree) | Coverage
Δ | Complexity Δ | |
   |---|---|---|---|
   | [...ain/java/org/apache/kylin/cube/model/CubeDesc.java](https://codecov.io/gh/apache/kylin/pull/353/diff?src=pr&el=tree#diff-Y29yZS1jdWJlL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9jdWJlL21vZGVsL0N1YmVEZXNjLmphdmE=)
| `64.28% <0%> (ø)` | `179% <0%> (ø)` | :arrow_down: |
   | [...rg/apache/kylin/cube/inmemcubing/MemDiskStore.java](https://codecov.io/gh/apache/kylin/pull/353/diff?src=pr&el=tree#diff-Y29yZS1jdWJlL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9jdWJlL2lubWVtY3ViaW5nL01lbURpc2tTdG9yZS5qYXZh)
| `70.21% <0%> (+0.6%)` | `7% <0%> (ø)` | :arrow_down: |
   | [...a/org/apache/kylin/dict/Number2BytesConverter.java](https://codecov.io/gh/apache/kylin/pull/353/diff?src=pr&el=tree#diff-Y29yZS1kaWN0aW9uYXJ5L3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9reWxpbi9kaWN0L051bWJlcjJCeXRlc0NvbnZlcnRlci5qYXZh)
| `82.53% <0%> (+0.79%)` | `18% <0%> (+1%)` | :arrow_up: |
   
   ------
   
   [Continue to review full report at Codecov](https://codecov.io/gh/apache/kylin/pull/353?src=pr&el=continue).
   > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
   > `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
   > Powered by [Codecov](https://codecov.io/gh/apache/kylin/pull/353?src=pr&el=footer).
Last update [4e03407...28d1427](https://codecov.io/gh/apache/kylin/pull/353?src=pr&el=lastupdated).
Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
   

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> check port availability when starts kylin instance
> --------------------------------------------------
>
>                 Key: KYLIN-3697
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3697
>             Project: Kylin
>          Issue Type: Bug
>    Affects Versions: v2.5.1
>            Reporter: May Zhou
>            Priority: Minor
>
> As I ran the script and it turned out with no error message, and I ran the kylin.sh start
script, the console output indicated that a kylin instance had successfully started, but when
I visit the <host>:<port>/kylin, I found another service was running rather than
kylin.
>   
>   I can only find the error message in the kylin.out, which is not so user-friendly.
> > Caused by: java.net.BindException: Address already in use (Bind failed)
> 	at java.net.PlainSocketImpl.socketBind(Native Method)
> 	at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
> 	at java.net.ServerSocket.bind(ServerSocket.java:375)
> I am wondering why check-env does not check the availability of port, and the error message
could be threw out more user-friendly.



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