Bug 165328 – missing QI in MozDownload::Init() ?

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Bug 165328 - missing QI in MozDownload::Init() ?


Summary:	missing QI in MozDownload::Init() ?


Status:	RESOLVED FIXED

Product:	epiphany
Classification:	Core
Component:	Downloads
Version:	git master
Hardware:	Other Linux

Importance:	Normal normal
Target Milestone:	---
Assigned To:	Epiphany Maintainers
QA Contact:	Marco Pesenti Gritti

URL:
Whiteboard:

Depends on:
Blocks:

Reported:	2005-01-26 19:01 UTC by Christian Persch
Modified:	2005-02-09 19:25 UTC

See Also:
GNOME target:	---
GNOME version:	---

Description Christian Persch 2005-01-26 19:01:08 UTC

###!!! ASSERTION: QueryInterface needed: 'query_result.get() == mRawPtr', file
../../../../dist/include/xpcom/nsCOMPtr.h, line 594
Break: at file ../../../../dist/include/xpcom/nsCOMPtr.h, line 594

Program received signal SIGTRAP, Trace/breakpoint trap.
0xb7431376 in nsDebugImpl::Break (this=0x81fa2f8, aFile=0xb69a4bc0
"../../../../dist/include/xpcom/nsCOMPtr.h", aLine=594) at nsDebugImpl.cpp:352
352           DebugBreak();
(gdb) where

+ Trace 54946

#0 nsDebugImpl::Break
at nsDebugImpl.cpp line 352
#1 nsDebugImpl::Assertion
#2 nsDebug::Assertion
#3 nsCOMPtr<nsIWebProgressListener>::Assert_NoQueryNeeded
at nsCOMPtr.h line 594
#4 nsCOMPtr<nsIWebProgressListener>::operator=
at nsCOMPtr.h line 714
#5 nsWebBrowserPersist::SetProgressListener
at nsWebBrowserPersist.cpp line 371
#6 MozDownload::Init
at ../../../embed/mozilla/MozDownload.cpp line 127
#7 MozDownload::InitForEmbed
at ../../../embed/mozilla/MozDownload.cpp line 95
#8 InitiateMozillaDownload
at nsCOMPtr.h line 842
#9 EphyHeaderSniffer::InitiateDownload
at nsCOMPtr.h line 842
#10 EphyHeaderSniffer::PerformSave
at nsCOMPtr.h line 842
#11 EphyHeaderSniffer::OnStateChange
at nsCOMPtr.h line 842
#12 nsWebBrowserPersist::OnStartRequest
at nsWebBrowserPersist.cpp line 639
#13 nsHttpChannel::CallOnStartRequest
at nsHttpChannel.cpp line 686
#14 nsHttpChannel::ProcessNormal
at nsHttpChannel.cpp line 847
#15 nsHttpChannel::ProcessResponse
at nsHttpChannel.cpp line 733
#16 nsHttpChannel::OnStartRequest
at nsHttpChannel.cpp line 3687
#17 nsInputStreamPump::OnStateStart
at nsInputStreamPump.cpp line 381
#18 nsInputStreamPump::OnInputStreamReady
at nsInputStreamPump.cpp line 337
#19 nsInputStreamReadyEvent::EventHandler
at nsStreamUtils.cpp line 118
#20 PL_HandleEvent
at plevent.c line 698
#21 PL_ProcessPendingEvents
at plevent.c line 633
#22 nsEventQueueImpl::ProcessPendingEvents
at nsEventQueue.cpp line 413
#23 event_processor_callback
at nsAppShell.cpp line 67
#24 g_vasprintf
from /usr/lib/libglib-2.0.so.0
#25 g_main_depth
from /usr/lib/libglib-2.0.so.0
#26 g_main_context_dispatch
from /usr/lib/libglib-2.0.so.0
#27 g_main_context_dispatch
from /usr/lib/libglib-2.0.so.0
#28 g_main_loop_run
from /usr/lib/libglib-2.0.so.0
#29 gtk_main
from /usr/lib/libgtk-x11-2.0.so.0
#30 main
at ../../src/ephy-main.c line 216

Comment 1 Christian Persch 2005-02-01 22:15:34 UTC

This seems to be a problem in our MozDownload impl: when you try to QI it to
nsIWebProgressListener you get nsnull!

Comment 2 Christian Persch 2005-02-09 19:25:47 UTC

Fixed in cvs on HEAD and gnome-2-8.