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Created attachment 16468 [details]
This error was thrown from Xamarin.Android.Comon.targets. It occurred after I uninstalled VS 2015 pro and installed VS 2015 Enterprise. The app was a simple Forms app from template with two pages added with only one button on each page, so very basic.
I was able to resolve the issue based on this forum post:
IOW I added a JDK_HOME the Windows 10 environment variables pointing to the Java SDK folder.
I know this might be an edge case but wanted to report it so it is on record.
Log files attached.
Microsoft Visual Studio Enterprise 2015
Version 14.0.25123.00 Update 2
Microsoft .NET Framework
Installed Version: Enterprise
Architecture and Modeling Tools 00322-80000-00000-AA208
Microsoft Architecture and Modeling Tools
UML® and Unified Modeling Language™ are trademarks or registered trademarks of the Object Management Group, Inc. in the United States and other countries.
Visual Basic 2015 00322-80000-00000-AA208
Microsoft Visual Basic 2015
Visual C# 2015 00322-80000-00000-AA208
Microsoft Visual C# 2015
Visual C++ 2015 00322-80000-00000-AA208
Microsoft Visual C++ 2015
Visual F# 2015 00322-80000-00000-AA208
Microsoft Visual F# 2015
Windows Phone SDK 8.0 - ENU 00322-80000-00000-AA208
Windows Phone SDK 8.0 - ENU
ASP.NET and Web Tools 2015 (RC1 Update 1) 14.1.20203.0
ASP.NET and Web Tools 2015 (RC1 Update 1)
ASP.NET Web Frameworks and Tools 2012.2 4.1.41102.0
For additional information, visit http://go.microsoft.com/fwlink/?LinkID=309563
ASP.NET Web Frameworks and Tools 2013 5.2.40314.0
For additional information, visit http://www.asp.net/
Azure App Service Tools v2.9 14.0.20316.0
Azure App Service Tools v2.9
Azure Data Lake Node 1.0
This package contains the Data Lake integration nodes for Server Explorer.
Azure Data Lake Tools for Visual Studio 2.0.6000.0
Microsoft Azure Data Lake Tools for Visual Studio
Common Azure Tools 1.7
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.
A Visual Studio Extension that brings the GitHub Flow into Visual Studio.
Microsoft Azure HDInsight HQL Service 2.0.6000.0
Language service for Hive query
Microsoft Azure HDInsight Tools for Visual Studio 2.0.6000.0
An integrated development environment for HDInsight application development.
Microsoft Azure Mobile Services Tools 1.4
Microsoft Azure Mobile Services Tools
Microsoft Azure Tools 2.9
Microsoft Azure Tools for Microsoft Visual Studio 2015 - v2.9.40323.3
NuGet Package Manager 3.4.4
NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/.
PreEmptive Analytics Visualizer 1.2
Microsoft Visual Studio extension to visualize aggregated summaries from the PreEmptive Analytics product.
SQL Server Data Tools 14.0.60311.1
Microsoft SQL Server Data Tools
Hosting json editor into a tool window
TypeScript tools for Visual Studio
Visual Studio Tools for Universal Windows Apps 14.0.25219.00
The Visual Studio Tools for Universal Windows apps allow you to build a single universal app experience that can reach every device running Windows 10: phone, tablet, PC, and more. It includes the Microsoft Windows 10 Software Development Kit.
VsPackage Extension 1.0
VsPackage Visual Studio Extension Detailed Info
Xamarin 188.8.131.52 (34a92cd)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.
Xamarin.Android 184.108.40.206 (7db2aac)
Visual Studio extension to enable development for Xamarin.Android.
Xamarin.iOS 220.127.116.11 (3cf8aae)
Visual Studio extension to enable development for Xamarin.iOS.
OK, so just had this happen again with another new Forms project and this time deleting all of the bin and obj folders resolved the issue. Just cleaning, however, did not.
We kinda need diagnostic build output to diagnose this issue. The Logs provided do not contain any diagnostic build data.
It will help use see which target is failing.
Looks like a targets issue.
If files are locked, it might also be related to the Android designer.
Can I also suggest this be retested with C9 and latest Xamarin.Forms to confirm it is still happening, as quite a few under the hood changes have taken place since June.
I removed the JDK_HOME environment variable I had set and tried to reproduce the issue with the Cycle 9 builds (alpha channel). I am not able to reproduce the issue now.
Moving to C10 and lowering priority since its not reproducable atm.
If someone can repo, we need the diagnostic build output if possible.
Resolving this since we’re unable to reproduce this report. If anyone does manage to reproduce this please reopen and attach a diagnostic build log: