Ernest Allen created QPID-5850:
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Summary: Session names longer than 256 bytes cause errors when
encoding session management objects
Key: QPID-5850
URL: https://issues.apache.org/jira/browse/QPID-5850
Project: Qpid
Issue Type: Bug
Components: C++ Broker
Affects Versions: 0.22
Reporter: Ernest Allen
AMQP 0-10 allows session names to be up to 2^16 bytes long; the QMF management
schema for the broker however defines the name of a session object as being up
to 2^8 bytes long. If a session is created with a name greater than 256 bytes,
the broker cannot send out management objects for it i.e. periodic processing
fails.
Python reproducer:
from qpid.messaging import *
session = Connection.establish("localhost:5672").session(name="a"*1024)
session.sync()
raw_input('Press Enter: ')
# in a separate window use qpid-tool to view session info
session.close()
The proposed solution is to:
- add a new field in the management session schema that can hold the full
session name
- truncate the session name (if needed) when copied to the existing field
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