Can you update to a newer version of bitconid?
15.2 or something in the 17 branch?
The version you are running is vulnerable to CVE 2018-17144
https://nvd.nist.gov/vuln/detail/CVE-2018-17144Either way it looks like something in the DB is corrupted.
Backup your wallet file (you are doing that anyway right???), remove the blockchain data and re-download.
-Dave
i dont have any active wallet, i just use this to parse full blockchain in mysqld.
which directory data should i remove , so it will start downloading blockchain again ?
/root/.bitcoin/blocks ?
/root/.bitcoin/chainstate
$ ls -lah
total 21M
drwxr-xr-x. 5 root root 280 Feb 24 14:28 .
dr-xr-x---. 26 root root 4.0K Feb 12 11:54 ..
-rw-------. 1 root root 37 Feb 23 07:29 banlist.dat
-rw-r--r--. 1 root root 848 Jan 8 2018 bitcoin.conf
-rw-------. 1 root root 6 Mar 10 19:28 bitcoind.pid
drwx------. 3 root root 76K Feb 24 12:58 blocks
drwx------. 2 root root 40K Mar 10 19:28 chainstate
drwx------. 2 root root 28 Feb 24 14:29 database
-rw-------. 1 root root 0 Dec 27 2017 db.log
-rw-------. 1 root root 9.8M Mar 10 19:28 debug.log
-rw-------. 1 root root 243K Feb 24 13:01 fee_estimates.dat
-rw-------. 1 root root 0 Dec 27 2017 .lock
-rw-------. 1 root root 50K Feb 24 13:01 mempool.dat
-rw-------. 1 root root 4.6M Feb 24 13:01 peers.dat
-rw-------. 1 root root 4.2M Dec 29 2017 peers.dat.bak
-rw-------. 1 root root 440K Dec 29 2017 peers.dat.bak.1
-rw-------. 1 root root 1.4M Feb 24 19:53 wallet.dat
thanks