Timeline event provider failed when build config references path which does not exist

[Joel Low <joel@…>]

If it may help, my ​Trac install is publicly accessible.

I have a build configuration for /trunk/eraser6 set up. If I browse back far enough in the timeline (try setting the date to some time 2 years back) Trac will report this error:

Event provider Build Controller? failed for filters "Builds": No Such Node?: No node trunk/eraser at revision 1374

Trac.log will contain the following:

2012-03-08 13:27:43,032 Trac[web_ui] ERROR: Timeline event provider failed: 
Traceback (most recent call last):
  File "C:\Program Files\Python\lib\site-packages\trac\timeline\web_ui.py", line 179, in process_request
    filters) or []:
  File "C:\Program Files\Python\lib\site-packages\bitten\web_ui.py", line 677, in get_timeline_events
    if not _has_permission(req.perm, repos, path, rev=rev):
  File "C:\Program Files\Python\lib\site-packages\bitten\web_ui.py", line 91, in _has_permission
    node = repos.get_node(path, rev)
  File "C:\Program Files\Python\lib\site-packages\trac\versioncontrol\cache.py", line 304, in get_node
    return self.repos.get_node(path, self.normalize_rev(rev))
  File "C:\Program Files\Python\lib\site-packages\trac\versioncontrol\svn_fs.py", line 454, in get_node
    return SubversionNode(path, rev, self, self.pool)
  File "C:\Program Files\Python\lib\site-packages\trac\versioncontrol\svn_fs.py", line 689, in __init__
    raise NoSuchNode(path, rev)
NoSuchNode: No node trunk/eraser at revision 1374

I googled around and #606 came up, but I'm not sure if it's the same thing. Any help would be much appreciated.

[couldediubbib]

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[anonymous]

I also see a very similar issue. I just upgraded an internal mature Trac 0.12 system to 1.0. At the same time, I upgraded my SVN repo, so added it into the new Trac system from a different path.

I now get the following...

Event provider BuildController failed for filters "Builds": NoSuchNode: No node branches/imgsaveloadXP at revision 433

With a server stack trace log of...

2013-02-28 14:46:31,406 Trac[web_ui] ERROR: Timeline event provider failed:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/timeline/web_ui.py", line 190, in process_request
    filters) or []:
  File "/usr/local/lib/python2.7/dist-packages/Bitten-0.7dev_r0-py2.7.egg/bitten/web_ui.py", line 677, in get_timeline_events
    if not _has_permission(req.perm, repos, path, rev=rev):
  File "/usr/local/lib/python2.7/dist-packages/Bitten-0.7dev_r0-py2.7.egg/bitten/web_ui.py", line 91, in _has_permission
    node = repos.get_node(path, rev)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/versioncontrol/cache.py", line 291, in get_node
    return self.repos.get_node(path, self.normalize_rev(rev))
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/tracopt/versioncontrol/svn/svn_fs.py", line 481, in get_node
    return SubversionNode(path, rev, self, self.pool)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/tracopt/versioncontrol/svn/svn_fs.py", line 733, in __init__
    raise NoSuchNode(path, rev)
NoSuchNode: No node branches/imgsaveloadXP at revision 433

The strange thing is I don't think have a repo revision of 433 in SVN that refers to that branch. SVN says that specific branch was created at 453.

[anonymous]

An update to the most recent comment above... when I deleted the CI build definition from the Bitten Configuration Management that refers to branches/imgsaveloadXP then the timeline started to work again.

[ebouaziz@…]

I think that bitten is trying to display on the Timeline information about the branch of a configuration at a date when the branch did not exist yet. IMO, a try/except is missing there:

--- a/bitten/web_ui.py
+++ b/bitten/web_ui.py
@@ -696,7 +697,12 @@ class BuildController(Component):
                        Build.FAILURE: 'failedbuild'}

         for id_, config, label, path, rev, platform, stopped, status in cursor:
-            if not _has_permission(req.perm, repos, path, rev=rev):
+            try:
+                if not _has_permission(req.perm, repos, path, rev=rev):
+                    continue
+            except NoSuchNode:
                 continue
             errors = []
             if status == Build.FAILURE:

[bhatiar2003@…]

I am getting the same message as the original one reported here. Any solutions for that?

I am migrating from python25 on old server to python27 on new server.