[DISPATCH-2204] RuntimeError: dictionary changed size during iteration

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.17.0
• Fix Version/s: 1.17.0
• Flags: Patch
• Assignee: Jiri Daněk
• Reporter: Jiri Daněk
• Created: 19/Jul/21 15:12
• Updated: 23/Aug/21 15:02
• Resolved: 27/Jul/21 17:43

Description

76: 2021-07-19 17:04:43.292681 +0200 ROUTER_CORE (info) [C2][L44] Link lost: del=0 presett=0 psdrop=0 acc=0 rej=0 rel=0 mod=0 delay1=0 delay10=0 blocked=no
76: 2021-07-19 17:04:43.293219 +0200 ROUTER_CORE (info) [C2] Connection Closed
76: 2021-07-19 17:04:43.294760 +0200 ROUTER_LS (info) Link to Neighbor Router Lost - link_tag=1
76: 2021-07-19 17:04:44.421914 +0200 SERVER (info) [C3] Connection to 127.0.0.1:44841 failed: proton:io Connection refused - disconnected 127.0.0.1:44841
76: 2021-07-19 17:04:46.284452 +0200 ROUTER (error) Exception in timer processing
76: Traceback (most recent call last):
76:   File "/home/jdanek/repos/qpid/qpid-dispatch/python/qpid_dispatch_internal/router/engine.py", line 121, in handleTimerTick
76:     self.hello_protocol.tick(now)
76:   File "/home/jdanek/repos/qpid/qpid-dispatch/python/qpid_dispatch_internal/router/hello.py", line 41, in tick
76:     self._expire_hellos(now)
76:   File "/home/jdanek/repos/qpid/qpid-dispatch/python/qpid_dispatch_internal/router/hello.py", line 64, in _expire_hellos
76:     for key, last_seen in self.hellos.items():
76: RuntimeError: dictionary changed size during iteration

Issue Links

• is broken by: DISPATCH-1539 Python 2 has expired. What is the qpid-dispatch strategy going forward?