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After adding my class to Lookup I get a "ClassNotFoundException" when trying to look it up, why?

Q: After adding my class to lookup I get a ClassNotFoundException when trying to look it up, why?

A: You might have tried to place the interface and the implementation class in different modules but used the same package name. NetBeans prohibits two or more modules to define classes in the same package. Choose a distinctive package name (or package name prefix) for each module.

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The content in this page was kindly donated by Oracle Corp. to the Apache Software Foundation.

This page was exported from http://wiki.netbeans.org/DevFaqLookupPackageNamingAndLookup , that was last modified by NetBeans user Tboudreau on 2010-01-24T02:36:53Z.

NOTE: This document was automatically converted to the AsciiDoc format on 2018-02-07, and needs to be reviewed.