Polymer with Bower causes build to fail in Cordova

Question

I'm using bower to download and manage all the polymer components. However after adding the "bower_components" folder, Cordova can no longer build successfully.

:processDebugResources
      Unable to add 'C:\...\platforms\android\build\intermediates\assets\debug\www\bower_components\web-animations-js\web-animations.min.js.gz': file already in archive (try '-u'?)
ERROR: unable to process assets while packaging 'C:\...\platforms\android\build\intermediates\res\resources-debug.ap_'
ERROR: packaging of 'C:\...\platforms\android\build\intermediates\res\resources-debug.ap_' failed
:processDebugResources FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':processDebugResources'.
 .......
Error Code:
        1
Output:
              Unable to add 'C:\...\platforms\android\build\intermediates\assets\debug\www\bower_components\web-animations-js\web-animations.min.js.gz': file already in archive (try '-u'?)
        ERROR: unable to process assets while packaging 'C:\...\platforms\android\build\intermediates\res\resources-debug.ap_'
        ERROR: packaging of 'C:\...\platforms\android\build\intermediates\res\resources-debug.ap_' failed


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug
option to get more log output.

BUILD FAILED

Total time: 13.038 secs

It seems like it's because of the .gz file in /web-animations-js.

Anyway, there are also a lot of files and folders that should be removed, such as those "test" and "demo" folders, which is included when I download the components with bower.

How should I solve this problem?

Answer 1

I deleted the .gz file you mentioned and got it to work. I'm not exactly sure what the complete solution is.