Re: ype of TypeVariable could not be determined

tion) by persons other than the intended recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it! *From:*Wang Yangjun [mailto:yangjun.w...@aalto.fi] *Sent:* Tuesday, March 08, 2016 7:15 PM *To:* user@flink.apache.org <ma

Re: ype of TypeVariable could not be determined

her than the intended recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it! From: Wang Yangjun [mailto:yangjun.w...@aalto.fi] Sent: Tuesday, March 08, 2016 7:15 PM To: user@flink.apache.org<mailto:user@flink.apache.

RE: ype of TypeVariable could not be determined

From: Wang Yangjun [mailto:yangjun.w...@aalto.fi] Sent: Tuesday, March 08, 2016 7:15 PM To: user@flink.apache.org Subject: Re: ype of TypeVariable could not be determined Hi Radu, I met this issue also. The reason is outTypeInfo couldn't be created base on generic type when a transform a

Re: ype of TypeVariable could not be determined

Hi Radu, the exception can have multiple causes. It would be great if you could share some example code. In most cases the problem is the following: public class MapFunction { } new MapFunction(); The type WhatEverType is type erasured by Java. The type

Re: ype of TypeVariable could not be determined

Hi Radu, I met this issue also. The reason is outTypeInfo couldn't be created base on generic type when a transform applied. public SingleOutputStreamOperator transform(String operatorName, TypeInformation outTypeInfo, OneInputStreamOperator operator) The solution would be passed