[RATIS-1946] PeerProxyMap: Stack trace may not be printed.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.1
• Component/s: util
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 30/Nov/23 19:43
• Updated: 01/Dec/23 17:24
• Resolved: 01/Dec/23 17:24

Description

The stack trace of the AnnotatedConnectException below is not printed.

2023-11-30 18:39:01,119 [Thread-1101] WARN  util.PeerProxyMap (PeerProxyMap.java:closeProxy(170)) - 11465090-3010-4e96-be94-48488fc5822b-NettyServerStreamRpc: Failed to close proxy for peer 2ad30381-d2ef-4801-b4d0-3965e2d4accc|127.0.0.1:15023, proxy class: class org.apache.ratis.client.impl.DataStreamClientImpl
org.apache.ratis.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: finishConnect(..) failed: Connection refused: /127.0.0.1:15024
Caused by: java.net.ConnectException: finishConnect(..) failed: Connection refused
	at org.apache.ratis.thirdparty.io.netty.channel.unix.Errors.newConnectException0(Errors.java:166)
	at org.apache.ratis.thirdparty.io.netty.channel.unix.Errors.handleConnectErrno(Errors.java:131)
	at org.apache.ratis.thirdparty.io.netty.channel.unix.Socket.finishConnect(Socket.java:359)
	at org.apache.ratis.thirdparty.io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.doFinishConnect(AbstractEpollChannel.java:710)
	at org.apache.ratis.thirdparty.io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.finishConnect(AbstractEpollChannel.java:687)
	at org.apache.ratis.thirdparty.io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:567)
	at org.apache.ratis.thirdparty.io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:499)
	at org.apache.ratis.thirdparty.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
	at org.apache.ratis.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at org.apache.ratis.thirdparty.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at java.lang.Thread.run(Thread.java:750)

Issue Links

• is related to: HDDS-9814 NettyClientStreamRpc trying to establish connection during shutdown
• links to: GitHub Pull Request #976