Thank you. Forgot to mention that the error occurred when I was testing my
code in Intellij.
From: zhijiang [mailto:wangzhijiang...@aliyun.com]
Sent: Friday, December 21, 2018 4:40 PM
To: user@flink.apache.org; Chan, Shuang (PWTB 291)
Subject: 回复：buffer pool is destroyed
Hi Shuang,
Normally this exception you mentioned is not the root cause of failover, and it
is mainly caused by cancel process to make task exit.
You can further check whether there are other failures in job master log to
find the root cause.
Best,
Zhijiang
--
发件人：Chan, Shuang
发送时间：2018年12月21日(星期五) 11:12
收件人：user@flink.apache.org
主 题：buffer pool is destroyed
Hi Flink community,
I have a custom source that emits an user-defined data type, BaseEvent. The
following code works fine when BaseEvent is not POJO.
But, when I changed it to POJO by adding a default constructor, I’m getting
“Buffer Pool is destroyed” runtime exception on the Collect method.
DataStream eventStream = see.addSource(new
AgoraSource(configFile, instance));
DataStream> result_order =
eventStream
.filter(e -> e instanceof OrderEvent)
.map(e -> (OrderEvent)e)
.map(e -> new Tuple3<>(e.SecurityID, Long.valueOf(1),
Double.valueOf(e.OriginalQuantity))).returns(info_tuple3)
.keyBy(e -> e.f0)
.timeWindow(Time.seconds(5))
.reduce((a, b) -> new Tuple3<>(a.f0, a.f1 + b.f1, a.f2 +
b.f2))
.map(e -> new Tuple4<>(e.f0, e.f1, e.f2,
"Order")).returns(info_tuple4);
Any idea?
Shuang
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