В случае, если кто-то сталкивается с той же проблемой, добавив следующее, что у меня работает:
.jsp файл, которому требуется текстовая область для интеграции с ckeditor и ckfinder
<%@ page import="com.ckeditor.CKEditorConfig" %>
<%
CKEditorConfig settings = new CKEditorConfig();
settings.addConfigValue("filebrowserBrowseUrl","/myapp/resources/ckfinder/ckfinder.html");
settings.addConfigValue("filebrowserImageBrowseUrl","/myapp/resources/ckfinder/ckfinder.html?type=Images");
settings.addConfigValue("filebrowserFlashBrowseUrl","/myapp/resources/ckfinder/ckfinder.html?type=Flash");
settings.addConfigValue("filebrowserUploadUrl","/myapp/resources/ckfinder/core/connector/java/connector.java?command=QuickUpload&type=Files");
settings.addConfigValue("filebrowserImageUploadUrl","/myapp/resources/ckfinder/core/connector/java/connector.java?command=QuickUpload&type=Images");
settings.addConfigValue("filebrowserFlashUploadUrl","/myapp/resources/ckfinder/core/connector/java/connector.java?command=QuickUpload&type=Flash");
%>
<ckeditor:replace replace="editor1" basePath="/myapp/resources/ckeditor/" config="<%=settings %>" />