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https://issues.apache.org/jira/browse/FLINK-3952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15306897#comment-15306897
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rektide de la fey commented on FLINK-3952:
------------------------------------------
I tried using 4.1.0.Final (which was just released). flink-runtime gave me one
error, I haven't investigate further:
{{[ERROR]
/usr/local/src/flink-git/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/NettyBufferPool.java:[38,8]
org.apache.flink.runtime.io.network.netty.NettyBufferPool is not abstract and
does not override abstract method calculateNewCapacity(int,int) in
io.netty.buffer.ByteBufAllocator}}
https://github.com/apache/flink/blob/6d83c9d959fc43e378259126dfd0190ff8ce6030/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/NettyBufferPool.java#L38
links to that line.
> Bump Netty to 4.1
> -----------------
>
> Key: FLINK-3952
> URL: https://issues.apache.org/jira/browse/FLINK-3952
> Project: Flink
> Issue Type: Improvement
> Components: Core, Hadoop Compatibility
> Reporter: rektide de la fey
> Labels: netty
>
> Netty 4.1 is about to release final. This release has [a number of
> significant
> enhancements|http://netty.io/wiki/new-and-noteworthy-in-4.1.html], and in
> particular I find HTTP/2 codecs to be incredibly desirable to have.
> Additionally, hopefully, the [Hadoop patches for Netty
> 4.1|https://issues.apache.org/jira/browse/HADOOP-11716] get some tests and
> get merged, & I believe if/when that happens it'll be important for Flink to
> also be using the new Netty minor version.
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