Hi,

I posted the following message to mozilla.dev.builds newsgroup, but
I wonder if there is a mozilla-wide change to nsITreeView lately?
I noticed this while testing a patch to C-C TB locally.

(Considering that COMM-CENTRAL may have a slight delay in getting
M-C changes, it may be that nsITreeView change may have happened a few
weeks earlier or something).

[Exception... "Failure arg 0 [nsITreeView.setTree]"  nsresult:
"0x80004005 (NS_ERROR_FAILURE)

The error is fairly new.
I did not see it on local PC until I updated the local source to build
local DEBUG BUILD of TB.
I thought initially it was my local patch that was causing the error,
but upon investigation, it was hardly likely, and
when I checked TBPL I realized it was causing trouble for everybody's
compilation job.

Any pointers?

[I searched for nsITreeView.setTree in bugzilla but nothing came up. Is
the simple search too simplistic?]

TIA

--- begin quote ---

I think about 1/4 of 1000+ tests in |make mozmill| are failing now
See
https://tbpl.mozilla.org/?tree=Thunderbird-Trunk

This is pretty bad, and
looks to me that something about nsITreeView.setTree are the cause of
major malfunctions.

[Exception... "Failure arg 0 [nsITreeView.setTree]"  nsresult:
"0x80004005 (NS_ERROR_FAILURE)"

It is called in many places and resulted in this failure.

Any idea which has caused this  new regression?

Simply stated, no would-be contributor can work on any patches in this
state of affairs.

TIA

--- end quote
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