AW: Serialization of "not a valid POJO type"

[mailto:robert.pasc...@tu-berlin.de] Gesendet: Samstag, 30. Juli 2016 12:04 An: user@flink.apache.org Betreff: Serialization of "not a valid POJO type" Hi Mailing List, according to my questions (and your answers!) at this topic http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Performa

Serialization of "not a valid POJO type"

Hi Mailing List, according to my questions (and your answers!) at this topic http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Performance-issues-with-GroupBy-td8130.html I have eliminated my ArrayList in my collect methods. Additional I want to emit partial results. My mapper