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https://issues.apache.org/jira/browse/DISPATCH-1254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750312#comment-16750312
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ASF GitHub Bot commented on DISPATCH-1254:
------------------------------------------
codecov-io commented on issue #444: DISPATCH-1254 - Fix a corner cases, usually
when a router is just sta…
URL: https://github.com/apache/qpid-dispatch/pull/444#issuecomment-456918948
#
[Codecov](https://codecov.io/gh/apache/qpid-dispatch/pull/444?src=pr&el=h1)
Report
> :exclamation: No coverage uploaded for pull request base
(`master@1914ebe`). [Click here to learn what that
means](https://docs.codecov.io/docs/error-reference#section-missing-base-commit).
> The diff coverage is `n/a`.
[](https://codecov.io/gh/apache/qpid-dispatch/pull/444?src=pr&el=tree)
```diff
@@ Coverage Diff @@
## master #444 +/- ##
=========================================
Coverage ? 86.98%
=========================================
Files ? 85
Lines ? 18711
Branches ? 0
=========================================
Hits ? 16275
Misses ? 2436
Partials ? 0
```
------
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> qdstat sometimes raises "TypeError: 'NoneType' object is not iterable"
> ----------------------------------------------------------------------
>
> Key: DISPATCH-1254
> URL: https://issues.apache.org/jira/browse/DISPATCH-1254
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Routing Engine
> Affects Versions: 1.2.0
> Reporter: Alan Conway
> Assignee: Ganesh Murthy
> Priority: Major
> Attachments: qdr-chain.sh
>
>
> Calling qdstat -nv repeatedly to check the status of a router network
> sometimes raises a "nonetype not iterable error.
> Reproducer:
> make install this version of quiver (extented to allow separate send/receive
> URLS). If you have maven installed you should edit the makefile to disable
> the Java arrow as the build is very slow and fragile:
> [https://github.com/alanconway/quiver]
> run the attached script like this:
> qdr-chain.sh quiver --arrow c --count 1000 --send-url //:10001/x
> //:10001/x
> The script generates config files, starts four routers, waits for qdstat -nv
> to show the full topology and then runs quiver as directed. Edit the script
> to change logging or other config settings. Log and config files are created
> in the current directory.
> WARNING the script will kill any running qdrouterd.
> While waiting for the router network to stabilize I see output like the
> following. The initial connection error is expected as the router has not yet
> started, but the TypeError in the middle is unexpected.
>
> {{ConnectionException: Connection amqp://localhost:10001/$management
> disconnected: Condition('proton:io', 'recv: errno: 111') }}
> {{waiting... }}
> {{Routers in the Network }}
> {{ router-id next-hop link ver cost neighbors valid-origins }}
> {{ ================================================================ }}
> {{ 1 (self) - 1 [] [] }}
> {{waiting... }}
> {{Routers in the Network }}
> {{ router-id next-hop link ver cost neighbors valid-origins }}
> {{ ================================================================ }}
> {{ 1 (self) - 1 [] [] }}
> {{waiting... }}
> {{Routers in the Network }}
> {{ router-id next-hop link ver cost neighbors valid-origins }}
> {{ ================================================================ }}
> {{ 1 (self) - 1 [] [] }}
> {{waiting... }}
> {{TypeError: 'NoneType' object is not iterable }}
> {{waiting... }}
> {{Routers in the Network }}
> {{Last Topology Change: Wednesday Jan 23 15:40:34 2019 GMT }}
> {{ router-id next-hop link ver cost neighbors valid-origins }}
> {{ ================================================================= }}
> {{ 1 (self) - 1 ['2'] [] }}
> {{ 2 - 0 1 1 ['1', '3'] [] }}
> {{ 3 2 - 2 [] [] }}
> {{waiting... }}
> {{Routers in the Network }}
> {{Last Topology Change: Wednesday Jan 23 15:40:39 2019 GMT }}
> {{ router-id next-hop link ver cost neighbors valid-origins }}
> {{ ================================================================= }}
> {{ 1 (self) - 1 ['2'] [] }}
> {{ 2 - 0 1 1 ['1', '3'] [] }}
> {{ 3 2 - 1 2 ['2', '4'] [] }}
> {{ 4 2 - 1 3 ['3'] [] }}
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