Andrew Kyle Purtell created HBASE-26937:
-------------------------------------------

             Summary: Frequent BootstrapNodeManager "failed to request region 
server" warnings
                 Key: HBASE-26937
                 URL: https://issues.apache.org/jira/browse/HBASE-26937
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.5.0
            Reporter: Andrew Kyle Purtell


I have no idea what this is yet:
{noformat}
[01]2022-04-07T23:14:21,365 WARN  [BootstrapNodeManager] 
regionserver.BootstrapNodeManager: failed to request region server 
ip-172-31-51-4.us-west-2.compute.internal,8120,1649373044119
[01]org.apache.hadoop.hbase.exceptions.ConnectionClosedException: Call to 
address=ip-172-31-51-4.us-west-2.compute.internal:8120 failed on local 
exception: org.apache.hadoop.hbase.exceptions.Connectio
nClosedException: Connection closed
[01]    at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:215) 
~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:387)
 ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:93)
 ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:424) 
~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:419) 
~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:119) 
~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:134) 
~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at 
org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.cleanupCalls(NettyRpcDuplexHandler.java:207)
 ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at 
org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.channelInactive(NettyRpcDuplexHandler.java:215)
 ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateHandler.channelInactive(IdleStateHandler.java:277)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at 
org.apache.hbase.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 ~[hbase-shaded-netty-4.1.0.jar:?]
[01]    at java.lang.Thread.run(Thread.java:829) ~[?:?]
[01]Caused by: org.apache.hadoop.hbase.exceptions.ConnectionClosedException: 
Connection closed
 {noformat}



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