GitHub user charsyam opened a pull request:
https://github.com/apache/tajo/pull/313
TAJO-1249: Tajo Should Check File Format is allowed.
Currently Tajo just show NullPointException when can't understand file
format
```c
default> create external table table1 ( id int, name text, score float,
type text, mytime int, mytime2 date) using TEXT1 location
'file:/Users/charsyam/tajo/table';
ERROR: java.lang.NullPointerException
```
It is better to return using verficationstate
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/charsyam/tajo feature/TAJO-1249
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tajo/pull/313.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #313
----
commit ad6ea76a77515899cd83d1124b19b09afd1467e2
Author: clark.kang <[email protected]>
Date: 2014-12-19T15:58:42Z
TAJO-1249
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