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From "Xikui Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ASTERIXDB-1588) Exception when using auto generated uuid primary key and socket feed
Date Thu, 18 Aug 2016 02:51:20 GMT
Xikui Wang created ASTERIXDB-1588:
-------------------------------------

             Summary: Exception when using auto generated uuid primary key and socket feed
                 Key: ASTERIXDB-1588
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1588
             Project: Apache AsterixDB
          Issue Type: Bug
          Components: Feeds
            Reporter: Xikui Wang


Following ddl with 'autogenerated' will cause indexOutOfBoundary exception at the SocketFeed
part.

{quote}
drop dataverse feeds if exists; 
create dataverse feeds;
use dataverse feeds;
create type TwitterUser if not exists as open{
    screen-name: uuid
};
create dataset TwitterUsers1(TwitterUser) primary key screen-name autogenerated;
create feed UserFeed1 using socket_adapter
(
	("sockets"="127.0.0.1:10001"),
	("address-type"="IP"),
	("type-name"="TwitterUser"),
	("format"="adm")
);
use dataverse feeds;
set wait-for-completion-feed "false";
connect feed UserFeed1 to dataset TwitterUsers1
{quote}

The reason this happens is when SocketServerInputStream found no available bytes, it will
trigger the TupleForwarder to flush all tuples. org/apache/asterix/external/input/stream/SocketServerInputStream.java:70

This causes the indexOutOfBoundary exception at org/apache/asterix/external/util/FeedUtils.java:123

Same ddl without 'autogenerated' will work properly.



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