2: 3: Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:580) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:462) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339) javax.servlet.http.HttpServlet.service(HttpServlet.java:731) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) com.jerei.website.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:87)

root cause 

javax.servlet.ServletException: javax.servlet.jsp.JspException: java.lang.NullPointerException
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:912)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:845)
	org.apache.jsp.news.news_002ddetail_jsp._jspService(news_002ddetail_jsp.java:621)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	com.jerei.website.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:87)

root cause 

java.lang.NullPointerException
	org.apache.jsp.tag.web.core.common.seo_tag.doTag(seo_tag.java:132)
	org.apache.jsp.news.news_002ddetail_jsp._jspService(news_002ddetail_jsp.java:110)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	com.jerei.website.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:87)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.79 logs.

Apache Tomcat/7.0.79

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