Is the 2.15.0 Zip file on piwik.org corrupt? I am getting a “file size mismatch error” during the installation’s Step 2 (system check).
I have re-downloaded the 2.15.0 Zip file from piwik.org and re-uploaded and I am still getting/seeing the same errors.
The following files are affected:
File size mismatch: /home/my-account/piwik.mywebsite.com/libs/pChart/class/pData.class.php (expected length: 31449, found: 30661)
File size mismatch: /home/my-account/piwik.mywebsite.com/libs/pChart/class/pDraw.class.php (expected length: 327671, found: 321446)
File size mismatch: /home/my-account/piwik.mywebsite.com/libs/pChart/class/pImage.class.php (expected length: 20477, found: 19996)
File size mismatch: /home/my-account/piwik.mywebsite.com/libs/pChart/class/pPie.class.php (expected length: 67069, found: 65570)
File size mismatch: /home/my-account/piwik.mywebsite.com/libs/pChart/GPLv3.txt (expected length: 35823, found: 35148)
File size mismatch: /home/my-account/piwik.mywebsite.com/vendor/piwik/decompress/libs/PclZip/gnu-lgpl.txt (expected length: 26934, found: 26430)
File size mismatch: /home/my-account/piwik.mywebsite.com/vendor/piwik/decompress/libs/PclZip/readme.txt (expected length: 22011, found: 21590)