fujian created ZOOKEEPER-4907:
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Summary: Shouldn't throw "Len error" when server closing cause
confuse
Key: ZOOKEEPER-4907
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4907
Project: ZooKeeper
Issue Type: Bug
Components: server
Reporter: fujian
We got the error:
{code:java}
2024-11-07 19:03:01,414 [myid:14] - WARN
[nioEventLoopGroup-7-25:NettyServerCnxn@537] - Closing connection to
/135.224.186.250:47051
java.io.IOException: Len error 794913900
at
org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:521)
at
org.apache.zookeeper.server.NettyServerCnxn.processMessage(NettyServerCnxn.java:374)
at
org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.channelRead(NettyServerCnxnFactory.java:357)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead
{code}
It cause us very confused about it : if we write some big data into zookeeper.
Thus. we found, in actual. it is just the log/issue when closing the server
when reelecting the leader.
So I think we can do one tiny code change to avoid throw the error which
causing confuse with big size's data to reduce trouble shooting effort.
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