Question:

JMeter monitors Linux system performance and reports an error:

ERROR: java.net.ConnectException : Connection timed out: connect

reason:

Before the Linux system firewall opened

terms of settlement:

Enter the/usr/bin directory and execute the command/bin/systemctl stop iptables.service Turn off firewall

Problem solving

Note: this method is only for the above problems, other reasons please find other methods, thank you.