Github user cliffjansen commented on a diff in the pull request:
https://github.com/apache/qpid-proton/pull/93#discussion_r95450719
--- Diff: proton-c/bindings/python/proton/utils.py ---
@@ -132,10 +132,12 @@ def __init__(self, connection, receiver, fetcher,
credit=1):
raise LinkException("Failed to open receiver %s, source does
not match" % self.link.name)
if credit: receiver.flow(credit)
self.fetcher = fetcher
+ self.container = connection.container
def __del__(self):
self.fetcher = None
- self.link.handler = None
+ self.link.handler = None # fails if reactor finalizes first
--- End diff --
A core dump in pn_record_get. That's why the container reference is set on
init (line 135) and unset in the next line (line 140). The order of decref to
0 differs for BlockingSenders and BlockingReceivers. Sometimes the reactor is
last, sometimes it precedes the blocking endpoints. This bug lurked but was
never hit because none of these objects were free'd before.
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