NetWorker Management Console does not open with Java exception
Summary: After Windows Java update, the NetWorker Management Console does not open.
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Symptoms
Running NetWorker 18.2.0.1 or earlier
Java 8
Exception seen when launching NetWorker Management Console:
java.lang.SecurityException: class "COM.legato.gwt.framework.LMainWindow" does not match trust level of other classes in the same package
Cause
NetWorker 8.2.0.1 or earlier is not supported with NetWorker Runtime Environment (NRE) or Java 8.
Resolution
Upgrade NetWorker to version 18.2.0.2 or later.
Affected Products
NetWorker Management ConsoleArticle Properties
Article Number: 000191935
Article Type: Solution
Last Modified: 02 Sep 2025
Version: 2
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