Not sure maybe check the nodes people were posting not long ago and add them to your config
** cpuminer-multi 1.5 by Tanner^LCC **
LCC donation address: CashCFfv8CmdWo6wyMGQWtmQnaToyhgsWr
[2021-05-20 08:19:35] 3 miner threads started, using 'minotaurx' algorithm.
[2021-05-20 08:19:35] Current block is 1957
[2021-05-20 08:19:35] Long-polling on
http://127.0.0.1:23452[2021-05-20 08:19:36] CPU #2: 1036.83 H/s
[2021-05-20 08:19:36] CPU #1: 760.44 H/s
[2021-05-20 08:19:36] CPU #0: 690.52 H/s
[2021-05-20 08:19:36] Current block is 1958
[2021-05-20 08:19:36] accepted: 1/1 (diff 0.000), 2.10 kH/s yes!
...
Now we are testing and mining on processors.
But the miner is not stable. After about 25 minutes, and sometimes sooner or later,
but such an error occurs and the miner has to be restarted manually.
...
[2021-05-20 08:45:23] CPU #0: 747.19 H/s
[2021-05-20 08:45:23] CPU #1: 928.09 H/s
[2021-05-20 08:45:24] CPU #2: 962.33 H/s
[2021-05-20 08:45:25] Current block is 1959
[2021-05-20 08:45:55] HTTP request failed: Operation timed out after 30000 milliseconds with 0 bytes received
[2021-05-20 08:45:55] json_rpc_call failed, retry after 10 seconds