SCS exception for lines topology

[lnevers@bbn.com]

Stitching Computation Service exception reported for the Stitching Confirmation test IG-ST-3 (New Site 3 node linear topology) with the following topology:

GPO IG<-link-> MAX IG<-link-> Utah IG

Creating the above sliver resulted in the following failure:

ERROR <ProtocolError for oingo.dragon.maxgigapop.net:8081/geni/xmlrpc: -1 >
14:36:08 ERROR    stitcher: Exception from slice computation service: <ProtocolError for oingo.dragon.maxgigapop.net:8081/geni/xmlrpc: -1 >
SCS gave error: <ProtocolError for oingo.dragon.maxgigapop.net:8081/geni/xmlrpc: -1 >

The exception above caused the SCS to crash and be restarted by its watchdog. A partial solution is available:

On 1/30/14 5:21 PM, Xi Yang wrote:

I made a temporary patch. Please try again. This is not the ultimate solution as I found some deeper issue with the code when dealing with multiple point requests. It will take me a while to figure it out. But at least it won’t crash again for your requests.

Writing ticket to track issue to full resolution