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I followed the steps on page http://mpjexpress.org/docs/guides/linuxguide.pdf, and I can start daemons on all machines. If I just run program on single server, it runs successfully

[ip1,master] MPJ Daemon started successfully with process id: xxx

[ip2,node] MPJ Daemon started successfully with process id: xxx

But when I use command mpjrun.sh -np 2 -dev niodev HelloWorld, it shows java.net.ConnectException: Connection refused and Multi-threaded starter: exceptionnull, but I can Ping this IP successfully.

Is anything wrong? Thanks for your comments.

Siyuan Zhang
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  • connection refused means, target machine is up and running but the port you are trying to connect is not lsitening. first reason your daemon is not running target machine or this may happen because of firewalls, check the target machine firewall configuration. – ozkanpakdil Dec 06 '21 at 14:25
  • I face the same problem.. I have turned off firewall, antivirus, etc.. but it always refuses the connection.. have you solved this problem? – Edd Mar 29 '22 at 07:24
  • No, I didn't solve this problem, but I changed the version of MPJ(0.43). It can run successfully now. – Siyuan Zhang Mar 31 '22 at 04:22

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