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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Thrown when an application tries to create an instance of a class using the newInstance method in class <a class="el" href="classlog4cxx_1_1helpers_1_1_class.html">Class</a>, but the specified class object cannot be instantiated because it is an interface or is an abstract class.  <a href="classlog4cxx_1_1helpers_1_1_instantiation_exception.html#_details">More...</a><br></td></tr>
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