Bug 26805 - Can't debug finalizers
Summary: Can't debug finalizers
Status: RESOLVED INVALID
Alias: None
Product: Android
Classification: Xamarin
Component: Mono runtime / AOT Compiler ()
Version: 4.20.0
Hardware: PC Windows
: Normal normal
Target Milestone: ---
Assignee: Zoltan Varga
URL:
Depends on:
Blocks:
 
Reported: 2015-02-06 11:03 UTC by Jeremy Kolb
Modified: 2016-12-16 18:01 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:


Attachments
Sample App (14.08 KB, application/octet-stream)
2015-02-06 12:53 UTC, Naqeeb
Details


Notice (2018-05-24): bugzilla.xamarin.com is now in read-only mode.

Please join us on Visual Studio Developer Community and in the Xamarin and Mono organizations on GitHub to continue tracking issues. Bugzilla will remain available for reference in read-only mode. We will continue to work on open Bugzilla bugs, copy them to the new locations as needed for follow-up, and add the new items under Related Links.

Our sincere thanks to everyone who has contributed on this bug tracker over the years. Thanks also for your understanding as we make these adjustments and improvements for the future.


Please create a new report on Developer Community or GitHub with your current version information, steps to reproduce, and relevant error messages or log files if you are hitting an issue that looks similar to this resolved bug and you do not yet see a matching new report.

Related Links:
Status:
RESOLVED INVALID

Description Jeremy Kolb 2015-02-06 11:03:22 UTC
VS2013

I'm having trouble debugging finalizers.  If I create a class with a finalizer and set a breakpoint in the finalizer it either doesn't get hit (but the breakpoint is resolved) or it crashes.

If I do a System.Console.WriteLine in the finalizer I never see it in the output window.  I have no idea if my finalizers are even running :(
Comment 1 Naqeeb 2015-02-06 12:53:18 UTC
Created attachment 9688 [details]
Sample App

I have tried to reproduce this issue with the help of bug description but not able to reproduce this. To reproduce I have created a sample app which I am attaching with this comment.

Screencast : http://www.screencast.com/t/yEq7bCERi7a

Could you please provide a sample app that demonstrate this issue? So that we can reproduce this issue at our end.

Also please include your build info, application output and Zip Xamarin logs.
You can get build info via 'help > About Microsoft Visual Studio > Copy Info and paste it here' and Zip Xamarin Logs via 'help > Zip Xamarin Logs'.

Thanks!

Environment Info : 

Microsoft Visual Studio Professional 2013
Version 12.0.31101.00 Update 4
Microsoft .NET Framework
Version 4.5.50938

Xamarin   3.9.289.0 (39a70ae)
Comment 2 Jeremy Kolb 2015-02-09 10:56:54 UTC
I moved up to Update 4 and I now get debug output from the finalizers but if I put a breakpoint there the debugger stops but with an empty source window (ie it doesn't show my code).
Comment 3 Jeremy Kolb 2015-02-09 10:57:34 UTC
Microsoft Visual Studio Professional 2013
Version 12.0.31101.00 Update 4
Microsoft .NET Framework
Version 4.5.50938

Installed Version: Professional

Team Explorer for Visual Studio 2013   06177-004-0447006-02980
Microsoft Team Explorer for Visual Studio 2013

Visual Basic 2013   06177-004-0447006-02980
Microsoft Visual Basic 2013

Visual C# 2013   06177-004-0447006-02980
Microsoft Visual C# 2013

Visual C++ 2013   06177-004-0447006-02980
Microsoft Visual C++ 2013

Visual F# 2013   06177-004-0447006-02980
Microsoft Visual F# 2013

Visual Studio 2013 Code Analysis Spell Checker   06177-004-0447006-02980
Microsoft® Visual Studio® 2013 Code Analysis Spell Checker

Portions of International CorrectSpell™ spelling correction system © 1993 by Lernout & Hauspie Speech Products N.V. All rights reserved.

The American Heritage® Dictionary of the English Language, Third Edition Copyright © 1992 Houghton Mifflin Company. Electronic version licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

Windows Phone SDK 8.0 - ENU   06177-004-0447006-02980
Windows Phone SDK 8.0 - ENU

.NET Portability Analyzer   1.1.10808.0
API portability analyzer.

Application Insights Tools for Visual Studio Package   1.0
Application Insights Tools for Visual Studio

ASP.NET and Web Tools   12.4.51016.0
Microsoft Web Developer Tools contains the following components:
Support for creating and opening ASP.NET web projects
Browser Link: A communication channel between Visual Studio and browsers
Editor extensions for HTML, CSS, and JavaScript
Page Inspector: Inspection tool for ASP.NET web projects
Scaffolding: A framework for building and running code generators
Server Explorer extensions for Microsoft Azure Websites
Web publishing: Extensions for publishing ASP.NET web projects to hosting providers, on-premises servers, or Microsoft Azure

ASP.NET Web Frameworks and Tools 2012.2   4.1.21001.0
For additional information, visit http://go.microsoft.com/fwlink/?LinkID=309563

ASP.NET Web Frameworks and Tools 2013   5.2.21010.0
For additional information, visit http://www.asp.net/

Common Azure Tools   1.3
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Git Source Control Provider   1.0.0.0


JetBrains ReSharper 8.2.3   Full Edition build 8.2.3000.5176 on 2014-10-10T01:08:24
JetBrains ReSharper 8.2.3 package for Microsoft Visual Studio. For more information about ReSharper, visit http://www.jetbrains.com/resharper/. Copyright © 2003–2015 JetBrains, Inc.

Microsoft Advertising SDK for Windows Phone   
Microsoft Advertising SDK for Windows Phone
Build 

Microsoft Azure HDInsight HQL Service   1.0.0000.0
Language service for Hive query

Microsoft Azure HDInsight Tools for Visual Studio   1.0.0000.0
An integrated development environment for HDInsight application development.

Microsoft Azure Mobile Services Tools   1.3
Microsoft Azure Mobile Services Tools

Microsoft Azure Tools   2.5
Microsoft Azure Tools for Microsoft Visual Studio 2013 - v2.5.21104.1601

Microsoft Azure Tools   2.4
Microsoft Azure Tools for Microsoft Visual Studio 2013 - v2.4.20730.1601

NuGet Package Manager   2.8.50926.663
NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/.

PowerShell Tools   1.3
Provides file classification services using PowerShell

PreEmptive Analytics Visualizer   1.2
Microsoft Visual Studio extension to visualize aggregated summaries from the PreEmptive Analytics product.

SAPReferenceManager   1.0
Manages References to Shared Projects

SQL Server Data Tools   12.0.41025.0
Microsoft SQL Server Data Tools

Windows Azure Tools   2.3
Windows Azure Tools for Microsoft Visual Studio 2013 - v2.3.20320.1602

Windows Phone 8.1 SDK Integration   1.0
This package integrates the tools for the Windows Phone 8.1 SDK into the menus and controls of Visual Studio.

Xamarin   3.9.236.0 (d6a2cae)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin.Android   4.20.0.34 (49a04b966feb40dfdba49d57ba16249b66d606a6)
Visual Studio plugin to enable development for Xamarin.Android.

Xamarin.iOS   8.6.0.0 (eb24bdcf5cba2c12b673a07e0a8cce368b9563b3)
Visual Studio extension to enable development for Xamarin.iOS.

Xamarin.iOS Unified Migration   1.0
Automated migration for Xamarin iOS Classic projects to Unified
Comment 4 Zoltan Varga 2015-02-09 19:24:09 UTC
I cannot reproduce this. Can you create some kind of testcase ?
Comment 5 Jeremy Kolb 2016-12-16 18:01:42 UTC
This now works.