Log operation

Configure Log Rotation
export LOG_DIR=$(cat /etc/k*nd/conf/k*nd.conf | grep LOG_DIR | cut -d '=' -f 2)
cat <<EOF > /etc/logrotate.d/klaytn
$LOG_DIR/*.out {
    daily
    copytruncate
    compress
    rotate 7
    dateext
    create 0644 root root
}
EOF
Normal Log Status
Type
Message
Description
Text
Error
FastWebsocketHandler fail to upgrade message
Version issue of WebSocket connection
low
Error
invalid index of the proposer
The error that occurs when EN receives transactions from CN
low
WARN
ProtocolManager failed to read msg
​
low
WARN
Failed doConnTypeHandshake
​
low
ERRORErro
Protocol istanbul/64 failed
Peer disconnected
low
Error
Fasthttp Err
Error when serving connection: read timeout with nothing read
low
Error
Fasthttp Err
Error when serving connection: error when reading request headers: cannot find http request method in "\x16…
low
Warn
hash=b1b26c…6b220a err="insufficient balance for transfer"
This log occurs when the transaction processed (usually mining) cannot be executed due to insufficient balance in the "from account”(Theoretically, it occurs when the balance was sufficient at the time when the transaction was created and entered the txpool, but there was no balance at the time of the actual execution.)
low
ERROR
ERROR[06/06,23:23:46 Z] [7] decode anchor payload err="rlp: expected input list for types.AnchoringDataLegacy"
Any type of value may be included in the data field of Anchoring tx. However, an error log is the output to the node when an incorrect type of value is entered
​
Proposer : Successfully wrote mined block
​
​
​
Non Proposer Inserted a new block
Log Level Change (0~5)
Go to Klaytn Console
#default Value
> debug.verbosity(3)
# hight detail logs Value
> debug.verbosity(5)
# No Logs Value
> debug.verbosity(0)
​
# Default Value for Blockchain log
> debug.vmodule("blockchain=3")
# High detail Value for Blockchain Log
> debug.vmodule("blockchain=5")
​

Type	Message	Description	Text
Error	FastWebsocketHandler fail to upgrade message	Version issue of WebSocket connection	low
Error	invalid index of the proposer	The error that occurs when EN receives transactions from CN	low
WARN	ProtocolManager failed to read msg		low
WARN	Failed doConnTypeHandshake		low
ERRORErro	Protocol istanbul/64 failed	Peer disconnected	low
Error	Fasthttp Err	Error when serving connection: read timeout with nothing read	low
Error	Fasthttp Err	Error when serving connection: error when reading request headers: cannot find http request method in "\x16…	low
Warn	hash=b1b26c…6b220a err="insufficient balance for transfer"	This log occurs when the transaction processed (usually mining) cannot be executed due to insufficient balance in the "from account”(Theoretically, it occurs when the balance was sufficient at the time when the transaction was created and entered the txpool, but there was no balance at the time of the actual execution.)	low
ERROR	ERROR[06/06,23:23:46 Z] [7] decode anchor payload err="rlp: expected input list for types.AnchoringDataLegacy"	Any type of value may be included in the data field of Anchoring tx. However, an error log is the output to the node when an incorrect type of value is entered
Proposer : `Successfully wrote mined block`

Node Log

Errors & Troubleshooting

Last modified 5mo ago