How to Enable the Java Console in a Mac

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Mac OS X comes with a pre-installed Java Runtime Environment (JRE). There are different versions of Java and Mac users using different OS such as Leopard, Lion. Mac users may have different JRE versions installed on their Mac's.

Mac users need to know that although JRE comes pre-installed on their machines, the Java Console is disabled by default. It means you are likely to get JRE related errors when you try to run an application on Mac that needs Java Runtime environment. There is a simple solution to this problem, activate the Java Console and enable Javascript on your Mac. Let's take a look at steps to enable viewing of Java Console in a Mac.

Steps to enable Java Console on Mac:

Close all Internet browsers before proceeding. This step is necessary because you will be required to restart your Internet browsers again after activating Java Console on your Mac.

  • Step 1: Navigate to Application folders. You can use the Finder's Go Menu to navigate to the Application folder. The top-right corner of the Finder's goes Menu lists Application option. Clicking on "Application" reveals the application folder.
  • Step 2: Navigate to Utiliities-> Java in Applications folder.
  • Step 3: Click on the item labeled as "Java preferences" icon in Java folder.
  • Step 3: Click on "Advanced" tab located on the top of the window.
  • Step 4: Locate the "Show Console" in Java Console section in Java Prefrences window.
  • Step 5: Select radio button "Show Console" in the Java Preferences window.

After you have enabled the view of Java Console in Mac OS, you need to enable Javascript in order to run Java Virtual Machine on your Mac. You can use any browser such as Safari, Internet Explorer, or Mozilla Firefox installed on your Mac to enable Javascipt.

Steps to activate Javascript in Safari:

  • Launch Safari browser by click on the application icon in the dock
  • Go to "Menu" option located on the top right corner of the application
  • Select "Preferences" from the menu
  • In preferences window, click on "Security" tab.
  • Locate the option "Enable Javascript" and check the box adjacent to the option.
  • Click on "Save" in the Preferences window to save the settings and exit the Preferences window.

Steps to activate Javascript in Firefox:

  • Launch Firefox browser by clicking on the application icon in the dock
  • Go to "Menu" option located on the top right corner of the application
  • Select "Preferences" from the menu
  • In preferences window, click on "Content" tab.
  • Locate the option "Enable Javascript" and check the box adjacent to the option.
  • Click on "Save" in the preferences window to save the settings and exit the preferences window

Steps to activate Javascript in Internet Explorer 5 and above:

  • Launch Internet Explorer by clicking on the application icon in the dock
  • Go to "Tools" menu option located on the tool bar
  • Select "Internet options" from the menu
  • In Internet Options window, click on "Security" tab.
  • Locate the "Custom level" button and click on it.
  • In Active Settings dialog box, enable "Active Scripting" under Scripting category.
  • Click on "Ok" to quit the window.
  • Click Refresh to apply the changes.

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