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20050412: "Unable to receive" message in logfile
- Subject: 20050412: "Unable to receive" message in logfile
- Date: Tue, 12 Apr 2005 15:42:51 -0600
Angelo,
>Date: Tue, 12 Apr 2005 11:22:42 -1000
>From: "Alvarez, Angelo CIV NAVPACMETOCCEN JTWC" <address@hidden>
>Organization: NAVPACMETOCCEN/JTWC
>To: "Steve Emmerson" <address@hidden>
>Subject: RE: 20050412: broken pipe error while compiling LDM 6.3.0 using GCC
>on Solaris 8
The above message contained the following:
> I have upgraded ldm on both our upstream and downstream server.
> However, on the upstream server, I see the following entries in ldmd.log:
> Apr 12 21:00:56 oahu gw1-dmz(noti)[21097]: nullproc5(gw1-dmz): RPC: Unable to
> receive
> Apr 12 21:06:17 oahu gw2-dmz(noti)[22445]: Starting Up(6.3.0/5):
> 20050412205452.403 TS_ENDT {{ANY, ".*"}}
> Apr 12 21:06:17 oahu gw2-dmz(noti)[22445]: topo: gw2-dmz ANY
> Apr 12 21:06:22 oahu gw1-dmz(noti)[21777]: nullproc5(gw1-dmz): RPC: Unable to
> receive
> Apr 12 21:11:43 oahu gw1-dmz(noti)[23147]: Starting Up(6.3.0/5):
> 20050412205452.403 TS_ENDT {{ANY, ".*"}}
> Apr 12 21:11:43 oahu gw1-dmz(noti)[23147]: topo: gw1-dmz ANY
> Apr 12 21:11:48 oahu gw2-dmz(noti)[22445]: nullproc5(gw2-dmz): RPC: Unable to
> receive
> Apr 12 21:16:44 oahu gw1-dmz(noti)[23147]: nullproc5(gw1-dmz): RPC: Unable to
> receive
> Apr 12 21:17:09 oahu gw2-dmz(noti)[23858]: Starting Up(6.3.0/5):
> 20050412205452.403 TS_ENDT {{ANY, ".*"}}
> Apr 12 21:17:09 oahu gw2-dmz(noti)[23858]: topo: gw2-dmz ANY
The above is easier to interpret if we just look at the messages from
process 22445:
> Apr 12 21:06:17 oahu gw2-dmz(noti)[22445]: Starting Up(6.3.0/5):
> 20050412205452.403 TS_ENDT {{ANY, ".*"}}
> Apr 12 21:06:17 oahu gw2-dmz(noti)[22445]: topo: gw2-dmz ANY
> Apr 12 21:11:48 oahu gw2-dmz(noti)[22445]: nullproc5(gw2-dmz): RPC: Unable to
> receive
The above means that a "notifying" upstream LDM-5 was started on host
"oahu" due to a NOTIFYME request from host "gw2-dmz" (notifying LDM-s
don't send data, only metadata). The notifying LDM on "oahu" sent a
NULLPROC message to "gw2-dmz" (to test or flush the connection) but did
not receive the mandatory (but empty) reply. The notifying LDM then
terminates.
Apparently, host "gw2-dmz" is still running version 5 of the LDM.
Corresponding entries in the LDM logfile on "gw2-dmz" might prove
illuminating.
It could be that the network between the two systems isn't very good.
> Any ideas??
>
> v/r
> angelo
>
Angelo Alvarez
> System Administrator
> NAVPACMETOCCEN/JTWC
> https://www.npmoc.navy.mil
> email: address@hidden
> phone: 808.471.3645
Regards,
Steve Emmerson