[GitHub] [skywalking] coki230 opened a new issue #2954: HTTP/2 client preface string missing or corrupt

[GitBox <gi...@apache.org>]

coki230 opened a new issue #2954: HTTP/2 client preface string missing or corrupt
URL: https://github.com/apache/skywalking/issues/2954
 
 
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   -  Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
   master, centos7, OpenJDK(build 1.8.0_131-b12)
   - Which company or project?
   oapServer
   - What happen?
   i see the error from log of oap.log
   Jun 26, 2019 6:43:27 PM io.grpc.netty.NettyServerTransport notifyTerminated
   INFO: Transport failed
   io.netty.handler.codec.http2.Http2Exception: HTTP/2 client preface string missing or corrupt. Hex dump for received bytes: 0000002c0000000000000000000000000000753000000000
           at io.netty.handler.codec.http2.Http2Exception.connectionError(Http2Exception.java:85)
           at io.netty.handler.codec.http2.Http2ConnectionHandler$PrefaceDecoder.readClientPrefaceString(Http2ConnectionHandler.java:318)
           at io.netty.handler.codec.http2.Http2ConnectionHandler$PrefaceDecoder.decode(Http2ConnectionHandler.java:251)
           at io.netty.handler.codec.http2.Http2ConnectionHandler.decode(Http2ConnectionHandler.java:450)
           at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489)
           at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428)
           at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265)
           at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
           at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
           at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
           at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434)
           at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
           at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
           at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965)
           at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)
           at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:646)
           at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:581)
           at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:498)
           at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:460)
           at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
           at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
           at java.lang.Thread.run(Thread.java:748)
   
   ___
   ### Requirement or improvement
   - Please describe about your requirements or improvement suggestions.

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