Hello,
I would like some help understanding how the native image element and related
custom actions work in Wix 2.0. Specifically, I would like some advice on how
to debug a problem I am seeing when uninstalling my product. I am using this
element to add assemblies to the Native Image Cache during install, and remove
them during uninstall. This works well unless one of the applications relying
on these assemblies is running when the product is reinstalled or removed. In
that case, even if Restart Manager is able to close the applications, the files
sometimes remain in the Native Image folder after uninstall. From the verbose
log, I see that the ExecNetFX CA fires, and ngen.exe is indeed called once for
each assembly which is to be removed. (Unlike during the installation process,
I do not see the actual command line being used for ngen.)
I verified:
* NetFxScheduleNativeImage is run after InstallValidate. Numerous 2715
errors are logged, indicating the specified file key could not be found in the
file table. The second parameter for these messages, the file key itself is
either blank or not logged. Regardless, the CA sets the
NetFxExecuteNativeImageUninstal and NetFxExecuteNativeImageCommitUninstal
propeties. It returns 1
* NetFxExecuteNativeImageCommitUninstall runs next, and returns 1.
* NetFxExecuteNativeImageUninstall is skipped.
* NetFxExecuteNativeImageCommitInstall runs next, and returns 1.
* NetFxExecuteNativeImageInstall is skipped.
* The NetFX custom action is then invoked, which appears to run NGen once
for each assembly, presumably to uninstall the files from the cache.
* The ExecNetFx CA then runs. I don't know what it does, but this is
followed in the log by 40 lines of the form " RollbackCleanup: File:
C:\Config.Msi\4f516.rbf".
I also tried using a custom actionw which shuts down the applications before
Restart Manager sees them. This is to prevent the user from allowing the
applications to run during uninstall. This did not help, as images remained in
the cache after setup completed.
Has anyone else seen this problem? If so, how did you handle it? Thanks for
your time.
--Doug
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