In Safari, perform the following steps to enable Java so it will run:
Choose Safari > Preferences.
Click the 'Security' tab, then click the 'Manage Website Settingsā¦' button.
For each website you have visited that uses the Java web plug-in, you can choose one of four settings, but we recommend you select Allow
The applet does have an access to local files with latest Firefox 24 for Mac, on the same machine (Java 7u45, Mac OS X 10.9). Same with Safari 6 and Mac OS X 10.8.5, not to mention Linux and Windows machines in various configurations: no issues with accessing local files. In Safari, go to Safari Preferences and uncheck Enable Java in the Security pane. In Firefox go to Tools Add Ons Plugins and uncheck Java Plug-In. Disabling Java in Google Chrome. The current prototype of the new Java Plug-In for Mac OS X is a Cocoa plugin for Safari written using Objective-C. While this plugin model is simple, it has some significant disadvantages. First, the plugin works only in Safari and not in Firefox 3 on the Mac. Second, the Java/JavaScript bridge for Objective-C and Cocoa plugins in Safari is.
In Chrome, perform the following steps to enable Java (Yosemite):
Click the menu icon to the right of the browser toolbar
Select Settings
Click the Show advanced settings... link
Click Content Settings in the 'Privacy section'
Select Allow local data to be set in the 'Cookies' section
Select Allow all sites to run JavaScript in the 'JavaScript' section
In Chrome, perform the following steps to enable Java (OS X Mavericks):
Java for Web browsers is disabled by default. You have to enable it in Java Control Panel. Follow the steps below to enable it for the browsers.
Go to System preferences -> Java. A new window will open. Go to security tab (4th from left). Tick the checkbox labeled 'Enable java content in the browser'.
In Safari you have to allow Java plugin as well. Go to Preferences->Security. Enable Internet plugin.
Kronos is a system that requires Java. Occasionally you may run into error messages regarding the Java in your system. This guide will show you the next steps you should take if you receive an error message stating the 'Java plug-in is not installed'
Note: the Java plug-in is entirely disabled within Google Chrome, so if you are trying to use Chrome and getting an error, the first step would be to switch to Firefox, Internet Explorer, or Safari.
Open the Firefox browser or restart it, if it is already running
From the Firefox menu, select Tools, then click the Add-ons option
In the Add-ons Manager window, select Plugins
Click Java (TM) Platform plugin (Windows) or Java Applet Plug-in (Mac OS X) to select it
Check that the option selected is Ask to Activate or Always Activate or on older Firefox versions, click on the Enable button (if the button says Disable, Java is already enabled)
When Firefox is open, click on the Firefox tab in to top left of your screen.
Click Preferences.
Click Content.
In the Content options, ensure that Enable Java and Enable JavaScript are checked.
Click on the Safari tab in the upper left of your screen, and select Preferences.
Choose the Security option.
Select Allow Plug-ins, then click on Manage Website Settings.
Click on the Java item, select an option (Ask, Allow or Allow Always) from the pulldown list When visiting other websites.
Click Done, then close the Safari Preferences window.
Java Plugin Safari Mac Download
Click Tools(Gear symbol in the upper right hand corner of the browser) and then click Internet Options.
Select the Security tab, and select the Custom Level button.