Ken Giusti created PROTON-255:
Summary: Messenger stall in send(): frames buffered in transport
not written to driver.
Project: Qpid Proton
Issue Type: Bug
Affects Versions: 0.4
Reporter: Ken Giusti
I've created a simple "ping-pong" test between two Messenger clients. One
client sends 10k messages to the other, which replies. The test stalls after
sending 10 messages in each direction, which is the value used for link credit.
The cause of the problem is that the FLOW frame sent by one client is not be
received by the other. The failure is due to the FLOW frame remaining buffered
in the sender's transport buffer, not being written to the driver. The driver
is waiting for socket activity, and never "sees" the pending output sitting in
This bug appears to have been introduced by PROTON-225
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