NullPointerException...

HTTP Status 500 -

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type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Exception in JSP: /bbs_list.jsp:146 143: //if(p == null) { p = 1; } 144: out.print(p); 145: 146: int mypage = p.intValue(); 147: int currentBlock = (int)Math.ceil(mypage / (double)numPerBlock); 148: Integer tp = (Integer) request.getAttribute("totalPage"); 149: Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368) 

root cause

java.lang.NullPointerException org.apache.jsp.bbs_005flist_jsp._jspService(bbs_005flist_jsp.java:318) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368) 

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.

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어의없는 실수.. jsp파일을 바로 먼저 실행해서 생긴문제.
action을 거치질 않아서 속성이 setting되지도 않았는데,
jsp를 바로 실행해서 getting하려 했으니 당연히 안될 수 밖에
bbs.do로 접근하여 실행하면 잘된다.(struts-config.xml에서 input 키워드 부분 비우고 나서...)
이걸로 얼마나 해맸던가... 너무 허무하다ㅠ