title: How to read Firefox log
body: <p>I have a question about the log of Firefox Browser.</p>
  
  <p>I am implement the automatic update feature of my Firefox extension, after following the tutorial at <a href="http://www.borngeek.com/firefox/automatic-firefox-extension-updates/" rel="nofollow noreferrer">http://www.borngeek.com/firefox/automatic-firefox-extension-updates/</a> and getting some helps at post <a href="https://stackoverflow.com/questions/6466084/firefox-extension-automatic-update-feature">Firefox extension automatic update feature</a>, the update feature is still not working, but there are more information provided at the Firefox log. Can anyone please give me some advices or take some time to take a look at the log output. Thanks.</p>
  
  <p>My development environment is </p>
  
  <ol>
  <li>Firefox 5 on Ubuntu 11.04</li>
  <li>Tomcat 6 server</li>
  </ol>
  
  <p>The log output of a remove and re-install my extension is</p>
  
  <pre>
  *** LOG addons.xpi: startup
  *** LOG addons.xpi: checkForChanges
  *** LOG addons.xpi: No changes found
  *** LOG addons.xpi: Opening database
  *** LOG addons.repository: Requesting https://services.addons.mozilla.org/en-GB/firefox/api/1.5/search/guid:myextension%40mozilla.myextension.org?src=firefox&appOS=Linux&appVersion=5.0&tMain=23&tFirstPaint=1641&tSessionRestored=1042
  *** LOG addons.xpi: Starting install of file:///home/me/browserplugindev/firefox/test/myextension.xpi
  *** LOG addons.xpi: Addon myextension@mozilla.myextension.org will be installed as a packed xpi
  *** LOG addons.xpi: Install of file:///home/me/browserplugindev/firefox/test/myextension.xpi completed.
  NOTE: child process received `Goodbye', closing down
  *** LOG addons.xpi: shutdown
  *** LOG addons.xpi: startup
  *** LOG addons.xpi: checkForChanges
  *** LOG addons.xpi: Found updated manifest for myextension@mozilla.myextension.org in app-profile
  *** LOG addons.xpi: Processing install of myextension@mozilla.myextension.org in app-profile
  *** LOG addons.xpi: Opening database
  *** LOG addons.xpi: New add-on myextension@mozilla.myextension.org installed in app-profile
  *** LOG addons.xpi: Updating database with changes to installed add-ons
  *** LOG addons.xpi: Updating add-on states
  *** LOG addons.xpi: Writing add-ons list
  </pre>