Mantis - Croquet
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|ID:||Category:||Severity:||Reproducibility:||Date Submitted:||Last Update:|
|6398||Hedgehog||major||always||04-04-07 14:40||04-04-07 14:40|
|ETA:||none||Fixed in Version:|
|Summary:||0006398: TContact>>setupContact can't create controller during rendering|
setupContact executes from #findContactByPostcard: (which is really more of a "find island via contact") which, in turn, can happen during rendering.
#setupContact creates an IslandController, which generates an new ObjectID as it's senderID. But during rendering, the island can't generate new objectIDs!
|Steps To Reproduce:|
This problem doesn't happen in KAT-based code because KContact does a #forkAndWait to create the controller.
Prior to Wisconsin-hrs.150, you could reproduce the problem in the KAT demo by doing Tools->Connect to Another World and selecting a nearby world that you knew about (because the KAT harness knows about a hardwired set of nearby worlds) but which you didn't already have a controller for. Or someone else could create the portal successfully (because they did had visited the other world), and then a new user joining late would try to move and die because the moving triggered an portal entry test during rendering. The same conditions can occur in the other demos -- they're just much harder for most users to reproduce.
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