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https://issues.apache.org/jira/browse/DISPATCH-974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16837297#comment-16837297
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ASF GitHub Bot commented on DISPATCH-974:
-----------------------------------------
kgiusti commented on pull request #503: DISPATCH-974 - Added code to qdstat and
qdmanage clients to repeatedl…
URL: https://github.com/apache/qpid-dispatch/pull/503#discussion_r282887141
##########
File path: tests/system_tests_qdmanage.py
##########
@@ -515,5 +514,66 @@ def test_create_delete_address_pattern(self):
for p in config:
self.assertNotEqual(p[0], pattern)
+ def test_yy_query_many_links(self):
+ # This test will fail without the fix for DISPATCH-974
+ c = BlockingConnection(self.address())
+ count = 0
+ links = []
+ COUNT = 5000
+
+ print ("Creating 10,000 links, please wait")
Review comment:
These prints won't necessarily appear on the console since stdout is by
default buffered.
You can add a call to sys.stdout.flush() after each print to force the
output immediately.
Personally I'm not a big fan of printing debug stuff during the tests -
unless you can figure out a way to only do it when ctest's "-V" flag has be
specified.
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> Getting connections via the router management protocol causes AMQP framing
> errors
> ---------------------------------------------------------------------------------
>
> Key: DISPATCH-974
> URL: https://issues.apache.org/jira/browse/DISPATCH-974
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Management Agent
> Affects Versions: 1.0.1
> Reporter: Marcel Meulemans
> Assignee: Ganesh Murthy
> Priority: Major
> Attachments: qdrouter-frame-errors.pcapng.gz
>
>
> I am running a standalone router with 5000 clients connected. When I try to
> get all connections via qdstat (qdstat --limit 5000 -c) something goes wrong
> (seems to be a framing error). The output from qdstat is:
> {{ MessageException: [-10]: data error: (null)}}
> The problems seems to somehow be related to result size because when I set
> the limit to less I get the list of connections as expected. In my situation
> the critical limit is 3447 (i.e. 3447 result in the expected list of
> connections, 3448 result in the error above). It does not seem to be frame
> size related because getting 3447 connection is already spread over transfer
> frames (256182, 256512 and 159399 bytes).
> The error is not qdstat related because using some plain proton code to
> create a management query results in the same problem. Ultimately the call to
> pn_message_decode with data receive from the router fails (also wireshark can
> not decode the final frame).
> I have attached a wireshark dump to the qdstat session with the router
> ([^qdrouter-frame-errors.pcapng.gz]). The logs of the router (at info level)
> contain no further information.
>
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