已经在http://www.javaresearch.org/dn.jsp下载了lucene中文搜索包并更新到/jive/WEB-INF/lib/目录下，但是一查中文：
该怎么办啊？请帮帮忙吧。
org.apache.oro.text.perl.MalformedPerl5PatternException: Invalid option: b
at org.apache.oro.text.perl.Perl5Util.substitute(Perl5Util.java:665)
at com.jivesoftware.util.StringUtils.highlightWords(StringUtils.java:666)
at jsp_servlet.__search._jspService(__search.java:468)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1058)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:401)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:306)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:5412)
at weblogic.security.service.SecurityServiceManager.runAs(SecurityServiceManager.java:744)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3086)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2544)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:153)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134)