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Date: Wed, 11 Feb 2015 10:08:16 +0100
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 <CAAdrtT3pS00d=9gSoCDebEqR+WbV_VM2n7ssr8m=gtfC8mB3yg@mail.gmail.com>
Subject: Re: [Exception]Key expressions are only supported on POJO types and
 Tuples
From: Fabian Hueske <fhueske@gmail.com>
To: user@flink.apache.org
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In case you want to contribute or follow the discussion, here's the JIRA:
https://issues.apache.org/jira/browse/FLINK-1511

Again, thanks for reporting!

2015-02-11 9:59 GMT+01:00 Fabian Hueske <fhueske@gmail.com>:

> Hi,
>
> you are right, there is a problem. I reproduced the problem and it seems
> that regular Scala classes are not properly analyzed and not identified as
> Pojos.
> As long as you only need these classes to be data holders without custom
> logic, you could go with case classes.
>
> I will open a JIRA to extend Pojo support for regular Scala classes.
>
> Thanks for reporting,
> Fabian
>
> 2015-02-11 2:42 GMT+01:00 Vinh June <hoangthevinh.htv@gmail.com>:
>
>> sorry, here is also the Metadata class that I use
>> http://pastebin.com/WUQE613E
>>
>>
>>
>> --
>> View this message in context:
>> http://apache-flink-incubator-user-mailing-list-archive.2336050.n4.nabble.com/Exception-Key-expressions-are-only-supported-on-POJO-types-and-Tuples-tp720p721.html
>> Sent from the Apache Flink (Incubator) User Mailing List archive. mailing
>> list archive at Nabble.com.
>>
>
>

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<div dir=3D"ltr">In case you want to contribute or follow the discussion, h=
ere&#39;s the JIRA:=C2=A0<a href=3D"https://issues.apache.org/jira/browse/F=
LINK-1511">https://issues.apache.org/jira/browse/FLINK-1511</a><div><br></d=
iv><div>Again, thanks for reporting!</div></div><div class=3D"gmail_extra">=
<br><div class=3D"gmail_quote">2015-02-11 9:59 GMT+01:00 Fabian Hueske <spa=
n dir=3D"ltr">&lt;<a href=3D"mailto:fhueske@gmail.com" target=3D"_blank">fh=
ueske@gmail.com</a>&gt;</span>:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=
=3D"ltr">Hi,<div><br></div><div>you are right, there is a problem. I reprod=
uced the problem and it seems that regular Scala classes are not properly a=
nalyzed and not identified as Pojos.</div><div>As long as you only need the=
se classes to be data holders without custom logic, you could go with case =
classes.</div><div><br></div><div>I will open a JIRA to extend Pojo support=
 for regular Scala classes.</div><div><br></div><div>Thanks for reporting,<=
/div><div>Fabian</div></div><div class=3D"HOEnZb"><div class=3D"h5"><div cl=
ass=3D"gmail_extra"><br><div class=3D"gmail_quote">2015-02-11 2:42 GMT+01:0=
0 Vinh June <span dir=3D"ltr">&lt;<a href=3D"mailto:hoangthevinh.htv@gmail.=
com" target=3D"_blank">hoangthevinh.htv@gmail.com</a>&gt;</span>:<br><block=
quote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc=
 solid;padding-left:1ex">sorry, here is also the Metadata class that I use<=
br>
<a href=3D"http://pastebin.com/WUQE613E" target=3D"_blank">http://pastebin.=
com/WUQE613E</a><br>
<br>
<br>
<br>
--<br>
View this message in context: <a href=3D"http://apache-flink-incubator-user=
-mailing-list-archive.2336050.n4.nabble.com/Exception-Key-expressions-are-o=
nly-supported-on-POJO-types-and-Tuples-tp720p721.html" target=3D"_blank">ht=
tp://apache-flink-incubator-user-mailing-list-archive.2336050.n4.nabble.com=
/Exception-Key-expressions-are-only-supported-on-POJO-types-and-Tuples-tp72=
0p721.html</a><br>
<div><div>Sent from the Apache Flink (Incubator) User Mailing List archive.=
 mailing list archive at Nabble.com.<br>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br></div>

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