Why Firefox throws an error when trying to verify installed Java?

Solution Verified - Updated -


  • The RHEL7.0 origin IcedTea plugin (1.4) the browser firefox seems to freeze
  • top command show a java process at nearly 100%
  • With RHEL7.0 updated IcedTea plugin (1.6) the browser show the IcedTea logo and then a big red ERROR.
  • Memory utilization of java process is too high.


  • Red Hat Enterprise Linux 7
  • Firefox
  • IcedTea plugin 1.4

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