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Home > Success Center > Web Help Desk (WHD) > WHD - Knowledgebase Articles > Cannot connect to the WHD server after a Linux install or upgrade

Cannot connect to the WHD server after a Linux install or upgrade


When you to try to access http://localhost:8081/helpdesk from a web browser after you install or upgrade your Linux operating system, the browser displays a 404 error.  


Web Help Desk 11.0.7, 11.2.1, 12.0, and 12.1 for Linux


The Oracle Java version running on your Web Help Desk server is incompatible with Web Help Desk.


Verify that Oracle Java 6 (1.6.0_22) is installed on your system by running the following command in Terminal:

You can verify that the command resolved the issue by comparing your /System/Library/Frameworks/JavaVM.framework/Versions directory to the following screenshot:

See the Oracle Java website for information about upgrading to Oracle Java 6. 


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