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Error with Javascript Minification

  • Problem Description

    When trying to Export an HTML5 project, if the minify javascript option is checked, export fails with message "Error during export, cannot open file c2Runtime_min.js"

    Both java 32 and 64bit are installed and updated. This is version r173 64bit/steam

    Running both steam and Construct as Administrator

    Fresh install of Windows 8.1 (new machine) AND Verified on fresh install Windows 8.1 (old machine)

    Error happens on any Capx.

    Attach a Capx

    N/A happens on a fresh project and also on old projects

    Description of Capx

    N/A

    Steps to Reproduce Bug

    • Step 1: Install Construct 2
    • Step 2: Install Java 32 and 64 (I also tried uninstalling and reinstalling, only 32, only 64, etc)
    • Step 3: export and choose HTMl5

    Observed Result

    process opens multiple command windows and then finally fails with error message

    Expected Result

    Minified javascript

    Affected Browsers

    N/A

    Operating System and Service Pack

    Windows 8.1 fully patched and updated

    Construct 2 Version ID

    r173 64bit/steam

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  • Can't reproduce, works here. Are you sure Java is installed correctly on your machine and that you have full read-write permission to the export folder? Does it reproduce on any other computers?

  • Yes, Java is installed correctly and verfied (both 32bit and 64bit versions). I have tried on two separate machines. Java version is 7 update 65. I even tried a brand new empty project and on both machines I get the same error. Both machines I am logged in as admin, also running Steam as an administrator and Construct as well.

    Both machines are fresh installs (one machine is a new machine, the other is my old machine which I reloaded windows on)

    My version of Construct is the steam version, personal license. I have given the "Everyone" group full access to the folder and it is the same issue.

    Could this be a Steam version or windows 8.1 issue maybe?

  • Same error for me if the minify javascript option is checked during any export.

    "Error during export, cannot open file c2Runtime_min.js"

    The error only happen with the construct2 64 bits version, if I use the 32bit version, the minify is working well.

    As Bossmojoman java 32 and 64bit are both installed and updated.

    Operating System and Service Pack

    -----------------------------------------------

    Windows 8.1

    Construct 2 Version ID

    ------------------------------

    r178

  • Found a random forum about unrelated Java bugs, and decided to see if I have the same version. Upon opening CMD and typing in the command "java -version", it reports back with a similar worded error: "Error: could not open `C:\Program Files\Java\jre6\lib\amd64\jvm.cfg'" Boom. It is a problem with java. Now keep in mind, this is even after having updated Java to the most recent version (version 7 update 67).

    Decided to take another look at the Java files on my drive... noticed something out of place.

    The Solution for me: Delete the JRE folder in WINDOWS; it doesn't belong. C:\WINDOWS\jre

    Very strange, but it works likes a charm. Minify Script now works, as does java -version command in CMD.

    Hope this helps you guys out!

  • Thanks hermitpenguin, had exact same issue, followed your instructions, worked perfectly!

  • You are my new best friends. Thank you!

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