App Install

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Occasionally Amahi applications fail to install properly. This is often noted by error messages in the application install log (/var/log/amahi-app-install.log).

=======  app install begin      @  2014-05-03 14:33:00 -0400 ==========
Installing   app id yi7uxa8mlb under /var/hda/platform/html/script/.. ENV=production
Your HDA services have been restarted.
Your HDA services have been restarted.
NOTE: file /var/hda/tmp/amahi-download-cache/956319338e8752e6a8f544423df61187d8b7e320 written in cache
/var/hda/platform/html/lib/system_utils.rb:66:in `run_script': run_script had to KILL this script. it was taking too long. sorry. (RuntimeError)
        from /var/hda/platform/html/app/models/app.rb:241:in `block in install_bg'
        from /var/hda/platform/html/app/models/app.rb:240:in `chdir'
        from /var/hda/platform/html/app/models/app.rb:240:in `install_bg'
        from /var/hda/platform/html/script/install-app:86:in `install_or_uninstall'
        from /var/hda/platform/html/script/install-app:107:in `main'
        from /var/hda/platform/html/script/install-app:119:in `<main>'

Other times, you may receive notice in the Dashboard.

<screenshot>

We take these seriously and have tried to incorporate additional error checking/prevention methods. Unfortunately they don't catch everything.

Reasons for failure vary, but the most common are:

  • Slow or sporadic internet connection.
  • Install script:
    • Taking too long
    • Incorrect syntax
    • Insufficient privileges
  • Application source file is unavailable.
    • New version
    • File moved
    • Wrong SHA1 hash


There are some recommendation users can follow to help correct or prevent these problems.

DON'T:

  1. Refresh your web browser or navigate from the page while an application is installing.
  2. Try to install an application after it initially fails. Need to diagnose issue.


DO:

  1. Check the log for details of why the app install failed.
  2. Check the Dashboard Apps tab, Installed section for the app.
  3. Check /var/hda/web-apps to ensure the app did not partially install.
  4. File a bug report.