id summary reporter owner description type status priority milestone component version resolution keywords cc launchpad_bug 3368 (apparently) get_version called via Foolscap now fails with a Violation exarkun GitHub "If I create a client node and point it at an introducer node and then I create a storage node and point it at the same introducer node, the storage node logs this to stdout: {{{ 2020-08-04T15:05:05-0400 [twisted.internet.defer#critical] Unhandled error in Deferred: 2020-08-04T15:05:05-0400 [twisted.internet.defer#critical] Traceback (most recent call last): File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/slicers/root.py"", line 107, in send d.callback(None) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/twisted/internet/defer.py"", line 460, in callback self._startRunCallbacks(result) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/twisted/internet/defer.py"", line 568, in _startRunCallbacks self._runCallbacks() File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/twisted/internet/defer.py"", line 654, in _runCallbacks current.result = callback(current.result, *args, **kw) --- --- File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/banana.py"", line 215, in produce slicer = self.newSlicerFor(obj) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/banana.py"", line 314, in newSlicerFor return topSlicer.slicerForObject(obj) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/slicer.py"", line 48, in slicerForObject return self.parent.slicerForObject(obj) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/slicer.py"", line 48, in slicerForObject return self.parent.slicerForObject(obj) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/slicer.py"", line 126, in slicerForObject return self.parent.slicerForObject(obj) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/slicers/root.py"", line 66, in slicerForObject raise Violation(""cannot serialize %s (%s)"" % (obj, name)) foolscap.tokens.Violation: Violation (..??.??): (""cannot serialize 208234104320 ()"",) }}} 208234104320 is somewhat close to the amount of available space on my local disk so perhaps it is the value for `available-space` in the get_version response. Also, in the flog: {{{ 15:05:05.754 L23 []#96 an outbound callRemote (that we [yn5r] sent to someone else [iyyl]) failed on the far end 15:05:05.754 L10 []#97 reqID=2, rref=, methname=RIStorageServer.t ahoe.allmydata.com.get_version 15:05:05.754 L10 []#98 the REMOTE failure was: FAILURE: [CopiedFailure instance: Traceback from remote host -- Traceback (most recent call last): File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/twisted/protocols/tls.py"", line 295, in _flushReceiveBIO ProtocolWrapper.dataReceived(self, bytes) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/twisted/protocols/policies.py"", line 120, in dataReceived self.wrappedProtocol.dataReceived(data) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/twisted/internet/endpoints.py"", line 132, in dataReceived return self._wrappedProtocol.dataReceived(data) File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/banana.py"", line 639, in dataReceived self.handleData(chunk) --- --- File ""/home/exarkun/VirtualEnvs/tahoe-lafs/lib/python2.7/site-packages/foolscap/banana.py"", line 892, in handleData raise Violation(""ABORT received"") foolscap.tokens.Violation: Violation (.Answer(req=2).{}[http://allmydata.org/tahoe/protocols/storage/v1].{}[available-space]): ('ABORT received',) ] }}} which seems to support `available-space` as the issue. " defect closed normal Support Python 3 code n/a fixed