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https://issues.apache.org/jira/browse/FLINK-9500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16499039#comment-16499039
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Till Rohrmann commented on FLINK-9500:
--------------------------------------
If the decoder cannot handle {{EmptyLastHttpContent}}, then we should not pass
it to the decoder, I think.
> FileUploadHandler does not handle EmptyLastHttpContent
> ------------------------------------------------------
>
> Key: FLINK-9500
> URL: https://issues.apache.org/jira/browse/FLINK-9500
> Project: Flink
> Issue Type: Bug
> Components: Client, REST
> Affects Versions: 1.5.0, 1.6.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Major
> Fix For: 1.6.0, 1.5.1
>
>
> The FileUploadHandler does not properly handle {{EmptyLastHttpContent}}
> messages. When passing these to a decoder an exception is thrown.
> We should either catch the exception or just don't pass such a message in the
> first place.
> {code}
> 018-06-01 16:05:46,514 WARN
> org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Unhandled
> exception
> org.apache.flink.shaded.netty4.io.netty.handler.codec.http.multipart.HttpPostRequestDecoder$EndOfDataDecoderException
> at
> org.apache.flink.shaded.netty4.io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.hasNext(HttpPostMultipartRequestDecoder.java:366)
> at
> org.apache.flink.shaded.netty4.io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.hasNext(HttpPostRequestDecoder.java:241)
> at
> org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:92)
> at
> org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:51)
> at
> org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> at
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(A
> {code}
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