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I have been working in the abstraction of the remote protocol to separate it from the server and the connection. The purpose of this is I need to use the Xapian remote protocol in a server we are working on (named Xapiand: https://github.com/Kronuz/Xapiand) which is similar to some extent to the `xapian-tcpsrv` in that it also serves databases remotely through TCP, using the binary protocol. What

...> encounters delM=NAN? is it an exception? What is wrong with the > above handler etc? If I've read this correctly, the problem is not so much about tryCatch, as it is about testing for NaNs. If delM is NaN, then your condition is NaN > S, which is NA. if(NA) then throws an error satating that there is a missing value wehre TRUE/FALSE is needed. You need to test for NaN in your condition using is.nan(), e.g. replace delM > S with is.nan(delM) || delM > S Regards, Richie. Mathematical Sciences Unit HSL ----------------------------------------------------------------...

Hi all, That issue is over now. I found why my ESTABLISHED,RELATED rule at the top of INPUT chain did not work for udp and icmp. The reason was I have included the protocol as tcp as below iptables -A INPUT -i eth0 -p tcp -m state --state ESTABLISHED,RELATED -j ACCEPT I removed -p tcp from above rule. Now it works for all protocols. Thanks for your support. ---------- Forwarded message