Troubleshooting Java on your Mac

Troubleshooting Java on your Mac

If you’re trying to join a GoToWebinar or GoToMeeting session from your Mac but nothing happens after you click the link, you’re most likely having a Java issue.  Both GoToWebinar and GoToMeeting utilize Java to automate the download and launch of their software but sometimes the Java integration with your web browser can stop working, when this happens you may need to reinstall Java to fix it.

Out of the 3 most popular web browsers for the Mac, only Safari and Firefox have full Java support, so if you were trying to join from Chrome you will need to switch to Safari or Firefox.

First check and make sure you don’t have any Java updates available:

  1. Click the  icon in the top left corner of your screen and click Software Update in the menu.
  2. Once the search for available updates has finished, click Show Details to review the list for any Java updates. If none are found, you already have the most recent update and simply need to reinstall Java.

If there is no Java update available you will need to reinstall the most recent Java update again:

  1. Click the magnifying glass icon in the top right corner of your screen to open Spotlight.
  2. Type Terminal and press Return. You can also open the Applications folder, then open the Utilities folder and double-click Terminal.
  1. In the Terminal window, type java -version and press Return. You will then see your Java version number, which may look like “1.6.0_20.” Take note of the version number for later.
  2. Now, click the  icon in the top left corner of your screen and click About This Mac in the menu.
  3. In the new window, you will see a version number for Mac OS X, such as 10.6.4 or something similar. Take note of the version number for later.
  4. Now, open your web browser (such as Safari or Firefox) and go to
  5. In the Search Downloads field, type Java, the version number that was displayed in your Terminal window and press Return. For example, you might search for Java 1.6.0_20.
  6. In the search results, look for the latest Java update for your version of Mac OS X. For example, you might look for search results like “Java for Mac OS X 10.6 Update 2.”
  7. After you find the necessary update, click Download. Then install the update by double-clicking the file in the Downloads window.
  8. Finally, reboot your Mac computer if prompted to do so.

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