>
>
>     At the time when the shadow log indicates a read failure on the
>     connection to the starter, what appears in the  corresponding
>     StarterLog?
>
>     --Dan
>
>     Alan Cass wrote:
>
>     > Hi,
>     >
>     > I've upgraded to Condor 7.0.0 on our cluster of Student Lab Windows
>     > PCs but have not been able to have a job complete that takes a
>     'long'
>     > amount of time since. The jobs do the computation (since I can
>     see the
>     > updates being applied to the SIZE in condor_q). As a test I sent a
>     > node a 7MB file and got it to 'touch' it so it would be
>     automatically
>     > sent back. This works without a problem. However, if I tell the node
>     > to 'sleep' for 7 hours before exiting it will never finish,
>     > communication with the starter fails, the job requeues and this
>     > behaviour cycles.
>     >
>     > I'm worried it might be a problem with the University port scanner.
>     > Every so often I get an entry like this in the nodes' Starter
>     log (and
>     > similar in the Master log) file:
>     >
>     > 5/21 07:11:34 condor_read(): recv() returned -1, errno = 10054,
>     > assuming failure reading 4 bytes from <SCANNER_IP:PORT>.
>     > 5/21 07:11:34 condor_read(): recv() returned -1, errno = 10054,
>     > assuming failure reading 5 bytes from <SCANNER_IP:PORT>.
>     > 5/21 07:11:34 IO: Failed to read packet header
>     > 5/21 07:11:34 DaemonCore: Can't receive command request from
>     > SCANNER_IP (perhaps a timeout?)
>     > 5/21 07:11:37 IO: Incoming packet header unrecognized
>     > 5/21 07:11:37 DaemonCore: Can't receive command request from
>     > SCANNER_IP (perhaps a timeout?)
>     > 5/21 07:11:37 condor_read(): Socket closed when trying to read 4
>     bytes
>     > from <SCANNER_IP:PORT>
>     > 5/21 07:11:37 condor_read(): Socket closed when trying to read 5
>     bytes
>     > from <SCANNER_IP:PORT>
>     > 5/21 07:11:37 IO: EOF reading packet header
>     > 5/21 07:11:37 DaemonCore: Can't receive command request from
>     > SCANNER_IP (perhaps a timeout?)
>     > 5/21 07:11:40 Received HTTP GET connection from <SCANNER_IP:PORT> --
>     > DENIED because ENABLE_WEB_SERVER=FALSE
>     > 5/21 07:11:40 IO: Incoming packet header unrecognized
>     > 5/21 07:11:40 DaemonCore: Can't receive command request from
>     > SCANNER_IP (perhaps a timeout?)
>     > 5/21 07:11:40 condor_read(): Socket closed when trying to read 4
>     bytes
>     > from <SCANNER_IP:PORT>
>     > 5/21 07:11:40 condor_read(): Socket closed when trying to read 5
>     bytes
>     > from <SCANNER_IP:PORT>
>     > 5/21 07:11:40 IO: EOF reading packet header
>     > 5/21 07:11:40 DaemonCore: Can't receive command request from
>     > SCANNER_IP (perhaps a timeout?)
>     > 5/21 07:11:45 Entering JICShadow::updateShadow()
>     > 5/21 07:11:45 TokenCache contents:
>     > condor-reuse-slot1@.
>     > 5/21 07:11:45 In VanillaProc::PublishUpdateAd()
>     > 5/21 07:11:45 About to get usage data from ProcD for family with
>     root 4036
>     > 5/21 07:11:45 Result of "get_usage" operation from ProcD: SUCCESS
>     > 5/21 07:11:45 Inside OsProc::PublishUpdateAd()
>     > 5/21 07:11:45 Sent job ClassAd update to startd.
>     > 5/21 07:11:45 Leaving JICShadow::updateShadow(): success
>     > 5/21 07:11:49 condor_read(): Socket closed when trying to read 4
>     bytes
>     > from <SCANNER_IP:PORT>
>     > 5/21 07:11:49 condor_read(): Socket closed when trying to read 5
>     bytes
>     > from <SCANNER_IP:PORT>
>     > 5/21 07:11:49 IO: EOF reading packet header
>     > 5/21 07:11:49 DaemonCore: Can't receive command request from
>     > SCANNER_IP (perhaps a timeout?)
>     >
>     >
>     > and the shadow eventually bombs out with:
>     >
>     > 5/21 23:11:22 (14933.0) (3964): condor_read(): recv() returned -1,
>     > errno = 10054, assuming failure reading 5 bytes from <EXEC_IP:PORT>.
>     > 5/21 23:11:22 (14933.0) (3964): IO: Failed to read packet header
>     > 5/21 23:11:22 (14933.0) (3964): Can no longer talk to condor_starter
>     > <EXEC_IP:PORT>
>     > 5/21 23:11:22 (14933.0) (3964): Trying to reconnect to
>     disconnected job
>     > 5/21 23:11:22 (14933.0) (3964): LastJobLeaseRenewal: 1211370100 Wed
>     > May 21 21:11:40 2008
>     > 5/21 23:11:22 (14933.0) (3964): JobLeaseDuration: 1200 seconds
>     > 5/21 23:11:22 (14933.0) (3964): JobLeaseDuration remaining: EXPIRED!
>     > 5/21 23:11:22 (14933.0) (3964): Reconnect FAILED: Job
>     disconnected too
>     > long: JobLeaseDuration (1200 seconds) expired
>     > 5/21 23:11:22 (14933.0) (3964): **** condor_shadow (condor_SHADOW)
>     > EXITING WITH STATUS 107
>     >
>     >
>     >
>     > Is the scanner somehow stealing the starter port and not
>     allowing the
>     > shadow to get information back? What settings can I give the
>     config to
>     > get it to completely ignore anything coming from the port
>     scanner? Or
>     > could it be something else?
>     >
>     > Thanks,
>     >
>     > Alan
>     >
>     >------------------------------------------------------------------------
>     >
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