[wix-devs] WixToolset.Dnc.HostGenerator errors

Rob Mensching rob at firegiant.com
Wed Jul 27 09:50:10 PDT 2022 

Sure, you've written a source code generator. I only know that they exist.

I hacked at our build process--which I do understand--to work around the issue. However, given my lack of experience with source code generators (and analyzers) it wasn't clear to me if the problem was caused by a quirk of our build process (my first hypothesis) or deeper in the analyzer system.

I'm eventually going to need to spend some cycles to learn about source code generators.


-----Original Message-----
From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On Behalf Of Sean Hall via wix-devs
Sent: Wednesday, July 27, 2022 9:34 AM
To: WiX Toolset Developer Mailing List <wix-devs at lists.wixtoolset.org>
Cc: Sean Hall <r.sean.hall at gmail.com>
Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator errors

> These two things are more than enough quality information to create an
issue.

I should have said this differently. If our roles were reversed and I had just spent my time investigating that workaround, I would have immediately created an issue that detailed what I found and how I fixed it. We had code that was working until upgrading the SDK to a newer patch release. Breaking changes like that shouldn't happen. So even if we end up having to fix something on our end, at least the people that did the breaking change should be helping us and that will also help anyone else that runs into the same problem.

On Wed, Jul 27, 2022 at 9:22 AM Sean Hall <r.sean.hall at gmail.com> wrote:

> There is nothing wrong with the source generator code or how it's 
> packaged in the nupkg. I did a lot of research when I first built it, 
> and did more when you first brought this up.
>
> > Items are exactly the same and duplicated and it appears all 
> > Analyzer
> may be duplicated now.
> > I worked around this issue locally by adding the following target.
>
> These two things are more than enough quality information to create an 
> issue. The problem is at a higher level than the source generator. I 
> am confident that the other analyzers will also duplicate all of their 
> functionality.
>
> On Wed, Jul 27, 2022 at 12:23 AM Rob Mensching <rob at firegiant.com> wrote:
>
>> I did not. I was not confident I could characterize the problem 
>> correctly. I've not dug into the source generator code.
>>
>> -----Original Message-----
>> From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On Behalf Of 
>> Sean Hall via wix-devs
>> Sent: Tuesday, July 26, 2022 8:47 PM
>> To: WiX Toolset Developer Mailing List 
>> <wix-devs at lists.wixtoolset.org>
>> Cc: Sean Hall <r.sean.hall at gmail.com>
>> Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator errors
>>
>> It sounded like it was due to upgrading .NET SDK. Did you create an 
>> issue with them?
>>
>> On Tue, Jul 26, 2022 at 10:29 PM Rob Mensching via wix-devs < 
>> wix-devs at lists.wixtoolset.org> wrote:
>>
>> > I appears the HostGenerator errors have finally started hitting on 
>> > GitHub Actions. Here's a PR with no code changes (only adding 
>> > manual build ability).
>> >
>> > From https://github.com/wixtoolset/wix4/runs/7532057043
>> >
>> >   Example.LatestCoreMBA ->
>> > D:\a\wix4\wix4\build\Bal.wixext\Release\examples\Example.LatestCore
>> > MBA
>> > \net6.0\Example.LatestCoreMBA.dll
>> >
>> D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\WixToolset.Dnc.HostGenerator\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.cs(31,25):
>> > error CS0101: The namespace 'WixToolset.Dnc.Host' already contains 
>> > a definition for 'BootstrapperApplicationFactory'
>> > [D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\Example.WPFCor
>> > eMB
>> > A_h1x2k0nd_wpftmp.csproj]
>> >
>> D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\WixToolset.Dnc.HostGenerator\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.cs(24,46):
>> > error CS0101: The namespace 'WixToolset.Dnc.Host' already contains 
>> > a definition for 'StaticEntryDelegate'
>> > [D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\Example.WPFCor
>> > eMB
>> > A_h1x2k0nd_wpftmp.csproj]
>> >
>> D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\WixToolset.Dnc.HostGenerator\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.cs(29,6):
>> > error CS0579: Duplicate 'GeneratedCode' attribute 
>> > [D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\Example.WPFCor
>> > eMB
>> > A_h1x2k0nd_wpftmp.csproj]
>> >
>> D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\WixToolset.Dnc.HostGenerator\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.cs(30,6):
>> > error CS0579: Duplicate 'CompilerGenerated' attribute 
>> > [D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\Example.WPFCor
>> > eMB
>> > A_h1x2k0nd_wpftmp.csproj]
>> >
>> D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\WixToolset.Dnc.HostGenerator\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.cs(38,21):
>> > error CS0111: Type 'BootstrapperApplicationFactory' already defines 
>> > a member called 'Create' with the same parameter types 
>> > [D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\Example.WPFCor
>> > eMB
>> > A_h1x2k0nd_wpftmp.csproj]
>> >
>> D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\WixToolset.Dnc.HostGenerator\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.cs(45,55):
>> > error CS0111: Type 'BootstrapperApplicationFactory' already defines 
>> > a member called 'CreateBAFactory' with the same parameter types 
>> > [D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\Example.WPFCor
>> > eMB
>> > A_h1x2k0nd_wpftmp.csproj]
>> >
>> D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\WixToolset.Dnc.HostGenerator\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.cs(59,28):
>> > error CS0111: Type 'BootstrapperApplicationFactory' already defines 
>> > a member called 'ModuleInitialize' with the same parameter types 
>> > [D:\a\wix4\wix4\src\ext\Bal\test\examples\WPFCoreMBA\Example.WPFCor
>> > eMB
>> > A_h1x2k0nd_wpftmp.csproj]
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On Behalf Of 
>> > Bob Arnson via wix-devs
>> > Sent: Monday, July 18, 2022 8:16 AM
>> > To: WiX Toolset Developer Mailing List 
>> > <wix-devs at lists.wixtoolset.org>
>> > Cc: Bob Arnson <bob at firegiant.com>
>> > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator errors
>> >
>> > It fails on develop too.
>> >
>> > > -----Original Message-----
>> > > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On Behalf 
>> > > Of Sean Hall via wix-devs
>> > > Sent: Monday, 18 July, 2022 10:50
>> > > To: WiX Toolset Developer Mailing List 
>> > > <wix-devs at lists.wixtoolset.org>
>> > > Cc: Sean Hall <r.sean.hall at gmail.com>
>> > > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator errors
>> > >
>> > > Are you sure it was passing on your machine before your changes?
>> > >
>> > > On Mon, Jul 18, 2022 at 8:19 AM Bob Arnson via wix-devs < wix- 
>> > > devs at lists.wixtoolset.org> wrote:
>> > >
>> > > > I was trying to finish files-in-use for WixStdBA so skipping 
>> > > > wasn't an option. I was punished for my hubris.
>> > > >
>> > > > I'll investigate the failing test.
>> > > >
>> > > > > -----Original Message-----
>> > > > > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On 
>> > > > > Behalf Of Rob Mensching via wix-devs
>> > > > > Sent: Sunday, 17 July, 2022 23:33
>> > > > > To: WiX Toolset Developer Mailing List 
>> > > > > <wix-devs at lists.wixtoolset.org>
>> > > > > Cc: Rob Mensching <rob at firegiant.com>
>> > > > > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator errors
>> > > > >
>> > > > > I do see issues in Bal.wixext as well but I had them skipped 
>> > > > > at the
>> > > > time. Same
>> > > > > work-around worked both places. I haven't tried running the 
>> > > > > runtime integration tests.
>> > > > >
>> > > > > -----Original Message-----
>> > > > > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On 
>> > > > > Behalf Of Sean Hall via wix-devs
>> > > > > Sent: Sunday, July 17, 2022 7:59 PM
>> > > > > To: WiX Toolset Developer Mailing List 
>> > > > > <wix-devs at lists.wixtoolset.org>
>> > > > > Cc: Sean Hall <r.sean.hall at gmail.com>
>> > > > > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator errors
>> > > > >
>> > > > > Rob only reported his issue in the IntegrationBurn layer, but 
>> > > > > you are
>> > > > pointing
>> > > > > to tests in the Bal.wixext layer. Why wasn't Rob seeing his 
>> > > > > issue in Bal.wixext? Are you also using the .NET SDK 6.0.302?
>> > > > >
>> > > > > I've never seen that Ordinal Not Found before.
>> > > > >
>> > > > > One test tries to load the .NET Core 3.1 x86 runtime and 
>> > > > > another tries
>> > > > to load
>> > > > > the .NET Core 6.0 x86 runtime. I can't tell which one is 
>> > > > > producing that
>> > > > output.
>> > > > > The 3.1 test is supposed to dynamically skip the test if the 
>> > > > > runtime is
>> > > > missing
>> > > > > (because it's an optional component), but the 6.0 test is 
>> > > > > supposed to
>> > > > fail if
>> > > > > the runtime is missing.
>> > > > >
>> > > > > On Sun, Jul 17, 2022 at 9:30 PM Bob Arnson via wix-devs < 
>> > > > > wix- devs at lists.wixtoolset.org> wrote:
>> > > > >
>> > > > > > Your workaround worked. Tests are now failing:
>> > > > > >
>> > > > > > --------------------------- Example.TestEngine.exe - 
>> > > > > > Ordinal Not Found
>> > > > > > --------------------------- The ordinal 345 could not be 
>> > > > > > located in the dynamic link library 
>> > > > > > X:\tmp\4vr10i1v.li3\ba\dncpreq.dll.
>> > > > > > --------------------------- OK
>> > > > > > ---------------------------
>> > > > > >
>> > > > > > And
>> > > > > >
>> > > > > > Expected: 0: Loading .NET Core FDD bootstrapper application.
>> > > > > > Actual:   0: error from hostfxr: You must install or update .NET
>> > to run
>> > > > > > this application.
>> > > > > >
>> > > > > > I have the x86 .NET 6.0.7 runtime installed. Is a different 
>> > > > > > version required?
>> > > > > >
>> > > > > > > -----Original Message-----
>> > > > > > > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On 
>> > > > > > > Behalf Of Bob Arnson via wix-devs
>> > > > > > > Sent: Sunday, 17 July, 2022 22:16
>> > > > > > > To: WiX Toolset Developer Mailing List 
>> > > > > > > <wix-devs at lists.wixtoolset.org>
>> > > > > > > Cc: Bob Arnson <bob at firegiant.com>
>> > > > > > > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator 
>> > > > > > > errors
>> > > > > > >
>> > > > > > > It's not just you. I'm also getting those errors.
>> > > > > > >
>> > > > > > > > -----Original Message-----
>> > > > > > > > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> 
>> > > > > > > > On Behalf Of Rob Mensching via wix-devs
>> > > > > > > > Sent: Thursday, 14 July, 2022 19:58
>> > > > > > > > To: WiX Toolset Developer Mailing List 
>> > > > > > > > <wix-devs at lists.wixtoolset.org>
>> > > > > > > > Cc: Rob Mensching <rob at firegiant.com>
>> > > > > > > > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator 
>> > > > > > > > errors
>> > > > > > > >
>> > > > > > > > My hypothesis about the item metadata being different 
>> > > > > > > > does NOT look correct. Items are exactly the same and 
>> > > > > > > > duplicated and it appears all Analyzer may be 
>> > > > > > > > duplicated
>> now.
>> > > > > > > >
>> > > > > > > > I worked around this issue locally by adding the 
>> > > > > > > > following
>> > target.
>> > > > > > > > Since CI is passing, I'll keep this change local as I 
>> > > > > > > > don't think this is the correct fix (assuming the issue 
>> > > > > > > > isn't localized to my
>> > > > > computer).
>> > > > > > > >
>> > > > > > > >   <Target Name="RemoveDuplicatesFromAnalyzerItemGroup"
>> > > > > > > > AfterTargets="ResolveProjectReferences">
>> > > > > > > >     <RemoveDuplicates Inputs="@(Analyzer)">
>> > > > > > > >       <Output TaskParameter="Filtered"
>> > > > > > > ItemName="NonDuplicatedAnalyzer"
>> > > > > > > > />
>> > > > > > > >     </RemoveDuplicates>
>> > > > > > > >
>> > > > > > > >     <ItemGroup>
>> > > > > > > >       <Analyzer Remove="@(Analyzer)" />
>> > > > > > > >       <Analyzer Include="@(NonDuplicatedAnalyzer)" />
>> > > > > > > >     </ItemGroup>
>> > > > > > > >   </Target>
>> > > > > > > >
>> > > > > > > > -----Original Message-----
>> > > > > > > > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> 
>> > > > > > > > On Behalf Of Rob Mensching via wix-devs
>> > > > > > > > Sent: Thursday, July 14, 2022 4:20 PM
>> > > > > > > > To: WiX Toolset Developer Mailing List 
>> > > > > > > > <wix-devs at lists.wixtoolset.org>
>> > > > > > > > Cc: Rob Mensching <rob at firegiant.com>
>> > > > > > > > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator 
>> > > > > > > > errors
>> > > > > > > >
>> > > > > > > > You are correct the issue is that
>> > > > "WixToolset.Dnc.HostGenerator.dll"
>> > > > > > > > is duplicated in the Analyzer item group.
>> > > > > > > >
>> > > > > > > > I think I just tracked down the duplication to a WPF's 
>> > > > > > > > "GenerateTemporaryTargetAssembly" target executing the 
>> > > > > > > > DncBA.targets "ResolveProjectReferences" target a 
>> > > > > > > > second time (which adds the output of 
>> > > > > > > > "WixToolset.Dnc.HostGenerator.csproj" to the Analyzer 
>> > > > > > > > item group
>> > > a second time).
>> > > > > > > >
>> > > > > > > > I'm guessing the item metadata is different causing the 
>> > > > > > > > duplication where before the item metadata was the same 
>> > > > > > > > so no duplicate was added... still digging.
>> > > > > > > >
>> > > > > > > > I have .NET SDK 6.0.302 so maybe there is a subtle 
>> > > > > > > > change in
>> > there.
>> > > > > > > >
>> > > > > > > > -----Original Message-----
>> > > > > > > > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> 
>> > > > > > > > On Behalf Of Sean Hall via wix-devs
>> > > > > > > > Sent: Thursday, July 14, 2022 4:10 PM
>> > > > > > > > To: WiX Toolset Developer Mailing List 
>> > > > > > > > <wix-devs at lists.wixtoolset.org>
>> > > > > > > > Cc: Sean Hall <r.sean.hall at gmail.com>
>> > > > > > > > Subject: Re: [wix-devs] WixToolset.Dnc.HostGenerator 
>> > > > > > > > errors
>> > > > > > > >
>> > > > > > > > Any luck? I've never seen this. I currently have .NET 
>> > > > > > > > SDK
>> > > > > > > > 6.0.301 and
>> > > > > > > > VS2022 17.2.5.
>> > > > > > > >
>> > > > > > > > After some searching, the only thing I found was at
>> > > > > > > > https://andrewlock.net/creating-a-source-generator-part
>> > > > > > > > -6-
>> > > > > > > > sa
>> > > > > > > > vi
>> > > > > > > > ng-s
>> > > > > > > > ourc
>> > > > > > > > e-
>> > > > > > > > generator-output-in-source-control/.
>> > > > > > > > Where the project needed two properties together, 
>> > > > > > > > though it would only occur after the first time it's built:
>> > > > > > > >
>> > > > > > > > <PropertyGroup>
>> > > > > > > >
>> > > > > > > > <EmitCompilerGeneratedFiles>true</EmitCompilerGenerated
>> > > > > > > > Fil
>> > > > > > > > es
>> > > > > > > > >
>> > > > > > > >
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > <CompilerGeneratedFilesOutputPath>Generated</CompilerGeneratedFil
>> > > esO
>> > > > > > > > utputPath>
>> > > > > > > > </PropertyGroup>
>> > > > > > > >
>> > > > > > > > The source generator itself is super simple. It 
>> > > > > > > > shouldn't be possible to output the generated code 
>> > > > > > > > twice like it appears to be doing from your errors. I 
>> > > > > > > > probably need to add a diagnostic when there's multiple 
>> > > > > > > > attributes defined, but currently it would only use the 
>> > > > > > > > first one it
>> > > > > > finds.
>> > > > > > > > The only other way I can imagine what happened here is 
>> > > > > > > > if there were some kind of bug causing Roslyn to run 
>> > > > > > > > our generator
>> > > twice.
>> > > > > > > >
>> > > > > > > > On Thu, Jul 14, 2022 at 10:53 AM Sean Hall 
>> > > > > > > > <r.sean.hall at gmail.com>
>> > > > > > > wrote:
>> > > > > > > >
>> > > > > > > > > You can get the files to be written to disk by adding 
>> > > > > > > > > this to the project consuming the generator
>> > > > > > > > (D:\src\wix4\src\test\burn\WixToolset.WixBA):
>> > > > > > > > >
>> > > > > > > > > <PropertyGroup>
>> > > > > > > > >
>> > > > > > > > > <EmitCompilerGeneratedFiles>true</EmitCompilerGenerat
>> > > > > > > > > edF
>> > > > > > > > > il
>> > > > > > > > > es
>> > > > > > > > > >
>> > > > > > > > > </PropertyGroup>
>> > > > > > > > >
>> > > > > > > > > It seems like the generator is running twice for some
>> reason.
>> > > > > > > > >
>> > > > > > > > > On Thu, Jul 14, 2022 at 10:48 AM Rob Mensching via 
>> > > > > > > > > wix-devs < wix-devs at lists.wixtoolset.org> wrote:
>> > > > > > > > >
>> > > > > > > > >> I just started getting these sorts of errors in my 
>> > > > > > > > >> local build (not showing up in CI):
>> > > > > > > > >>
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.Dnc.HostGen
>> > > era
>> > > > > > > to
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > r\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.
>> > > > > > > > cs(31,25):
>> > > > > > > > >> error CS0101: The namespace 'WixToolset.Dnc.Host'
>> > > > > > > > >> already contains a definition for
>> 'BootstrapperApplicationFactory'
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > [D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.WixBA_jxw0
>> > > bnr
>> > > > > > > 2
>> > > > > > > > >> _wpftmp.csproj]
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.Dnc.HostGen
>> > > era
>> > > > > > > to
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > r\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.
>> > > > > > > > cs(24,46):
>> > > > > > > > >> error CS0101: The namespace 'WixToolset.Dnc.Host'
>> > > > > > > > >> already contains a definition for 'StaticEntryDelegate'
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > [D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.WixBA_jxw0
>> > > bnr
>> > > > > > > 2
>> > > > > > > > >> _wpftmp.csproj]
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.Dnc.HostGen
>> > > era
>> > > > > > > to
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > r\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.
>> > > > > > > > cs(29,6):
>> > > > > > > > >> error CS0579: Duplicate 'GeneratedCode' attribute
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > [D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.WixBA_jxw0
>> > > bnr
>> > > > > > > 2
>> > > > > > > > >> _wpftmp.csproj]
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.Dnc.HostGen
>> > > era
>> > > > > > > to
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > r\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.
>> > > > > > > > cs(30,6):
>> > > > > > > > >> error CS0579: Duplicate 'CompilerGenerated' 
>> > > > > > > > >> attribute
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > [D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.WixBA_jxw0
>> > > bnr
>> > > > > > > 2
>> > > > > > > > >> _wpftmp.csproj]
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.Dnc.HostGen
>> > > era
>> > > > > > > to
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > r\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.
>> > > > > > > > cs(38,21):
>> > > > > > > > >> error CS0111: Type 'BootstrapperApplicationFactory'
>> > > > > > > > >> already defines a member called 'Create' with the 
>> > > > > > > > >> same parameter types
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > [D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.WixBA_jxw0
>> > > bnr
>> > > > > > > 2
>> > > > > > > > >> _wpftmp.csproj]
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.Dnc.HostGen
>> > > era
>> > > > > > > to
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > r\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.
>> > > > > > > > cs(45,55):
>> > > > > > > > >> error CS0111: Type 'BootstrapperApplicationFactory'
>> > > > > > > > >> already defines a member called 'CreateBAFactory' 
>> > > > > > > > >> with the same parameter types
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > [D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.WixBA_jxw0
>> > > bnr
>> > > > > > > 2
>> > > > > > > > >> _wpftmp.csproj]
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.Dnc.HostGen
>> > > era
>> > > > > > > to
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > r\WixToolset.Dnc.HostGenerator.DncHostGenerator\WixToolset.Dnc.Host.g.
>> > > > > > > > cs(59,28):
>> > > > > > > > >> error CS0111: Type 'BootstrapperApplicationFactory'
>> > > > > > > > >> already defines a member called 'ModuleInitialize' 
>> > > > > > > > >> with the same parameter types
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > [D:\src\wix4\src\test\burn\WixToolset.WixBA\WixToolset.WixBA_jxw0
>> > > bnr
>> > > > > > > 2
>> > > > > > > > >> _wpftmp.csproj]
>> > > > > > > > >>
>> > > > > > > > >> What should I start looking at to diagnose what is 
>> > > > > > > > >> going
>> > wrong?
>> > > > > > > > >> The .g.cs files mentioned in the error messages do 
>> > > > > > > > >> not
>> > exist.
>> > > > > > > > >>
>> > > > > > > > >>
>> > > > > > > > >> Regards,
>> > > > > > > > >>
>> > > > > > > > >>   Rob Mensching
>> > > > > > > > >>   CEO
>> > > > > > > > >>   FireGiant
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > _______________________________________________________________
>> > > > > > > > >> FireGiant  |  Dedicated support for the WiX toolset  
>> > > > > > > > >> | http://www.firegiant.com/
>> > > > > > > > >>
>> > > > > > > > >>
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > ________________________________________________________________
>> > > > > > > > ____
>> > > > > > > > >> WiX Toolset Developer Mailing List provided by 
>> > > > > > > > >> FireGiant http://www.firegiant.com/
>> > > > > > > > >>
>> > > > > > > > >
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > ________________________________________________________________
>> > > > > > > > ____
>> > > > > > > > WiX Toolset Developer Mailing List provided by 
>> > > > > > > > FireGiant http://www.firegiant.com/
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > ________________________________________________________________
>> > > > > > > > ____
>> > > > > > > > WiX Toolset Developer Mailing List provided by 
>> > > > > > > > FireGiant http://www.firegiant.com/
>> > > > > > > >
>> > > > > > >
>> > > > >
>> > > ________________________________________________________________
>> > > > > > > > ____
>> > > > > > > > WiX Toolset Developer Mailing List provided by 
>> > > > > > > > FireGiant http://www.firegiant.com/
>> > > > > > >
>> > > > >
>> > > ________________________________________________________________
>> > > > > > > ____
>> > > > > > > WiX Toolset Developer Mailing List provided by FireGiant 
>> > > > > > > http://www.firegiant.com/
>> > > > > >
>> > > > >
>> > > ________________________________________________________________
>> > > > > ____
>> > > > > > WiX Toolset Developer Mailing List provided by FireGiant 
>> > > > > > http://www.firegiant.com/
>> > > > > >
>> > > > >
>> > > ________________________________________________________________
>> > > > > ____
>> > > > > WiX Toolset Developer Mailing List provided by FireGiant 
>> > > > > http://www.firegiant.com/
>> > > > >
>> > > ________________________________________________________________
>> > > > > ____
>> > > > > WiX Toolset Developer Mailing List provided by FireGiant 
>> > > > > http://www.firegiant.com/
>> > > >
>> > > ________________________________________________________________
>> > > ____
>> > > > WiX Toolset Developer Mailing List provided by FireGiant 
>> > > > http://www.firegiant.com/
>> > > >
>> > > ________________________________________________________________
>> > > ____
>> > > WiX Toolset Developer Mailing List provided by FireGiant 
>> > > http://www.firegiant.com/
>> > ___________________________________________________________________
>> > _ WiX Toolset Developer Mailing List provided by FireGiant 
>> > http://www.firegiant.com/ 
>> > ___________________________________________________________________
>> > _ WiX Toolset Developer Mailing List provided by FireGiant 
>> > http://www.firegiant.com/
>> >
>> ____________________________________________________________________
>> WiX Toolset Developer Mailing List provided by FireGiant 
>> http://www.firegiant.com/
>>
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