Heritrix: Internet Archive Web Crawler

The following null pointer exception occurs when trying
to getMBeanInfo on an override. This was working prior
to the commiting of the refinements.

<pre>java.lang.NullPointerException
at
org.archive.crawler.datamodel.settings.SettingsHandler.getRefinementsForSet
tings(SettingsHandler.java:294)
at
org.archive.crawler.datamodel.settings.SettingsHandler.getSettings(Settings
Handler.java:268)
at
org.archive.crawler.datamodel.settings.CrawlerSettings.getParent(CrawlerSet
tings.java:252)
at
org.archive.crawler.datamodel.settings.CrawlerSettings.getParent(CrawlerSet
tings.java:235)
at
org.archive.crawler.datamodel.settings.ComplexType.getMBeanInfo(ComplexType
.java:757)
at
org.apache.jsp.configure_jsp.printMBean(configure_jsp.java:93)
at
org.apache.jsp.configure_jsp._jspService(configure_jsp.java:550)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:
210)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:354)
at
org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHand
ler.java:294)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1808)
at
org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContex
t.java:525)
at
org.mortbay.http.HttpContext.handle(HttpContext.java:1758)
at
org.mortbay.http.HttpServer.service(HttpServer.java:879)
at
org.mortbay.http.HttpConnection.service(HttpConnection.java:790)
at
org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:952)
at
org.mortbay.http.HttpConnection.handle(HttpConnection.java:807)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:197)
at
org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
at
org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:501)</pre>