type Exception report
message javax.servlet.ServletException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: java.lang.NumberFormatException: For input string: ""
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: javax.servlet.ServletException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: java.lang.NumberFormatException: For input string: "" org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:555) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:461) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:401) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:345) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
javax.servlet.ServletException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: java.lang.NumberFormatException: For input string: "" org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:906) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:838) org.apache.jsp.show_002dthread_jsp._jspService(show_002dthread_jsp.java:500) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:401) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:345) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: java.lang.NumberFormatException: For input string: "" org.apache.jsp.show_002dthread_jsp$Helper.invoke(show_002dthread_jsp.java:3358) org.apache.jsp.tag.web.access_tag._jspx_meth_c_005fif_005f2(access_tag.java:362) org.apache.jsp.tag.web.access_tag.doTag(access_tag.java:217) org.apache.jsp.show_002dthread_jsp$Helper.invoke0(show_002dthread_jsp.java:2566) org.apache.jsp.show_002dthread_jsp$Helper.invoke(show_002dthread_jsp.java:3347) org.apache.jsp.tag.web.base_tag.doTag(base_tag.java:278) org.apache.jsp.show_002dthread_jsp._jspService(show_002dthread_jsp.java:283) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:401) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:345) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
javax.servlet.jsp.JspException: java.lang.NumberFormatException: For input string: "" org.apache.jsp.tag.web.pageMessages_tag.doTag(pageMessages_tag.java:168) org.apache.jsp.show_002dthread_jsp$Helper.invoke1(show_002dthread_jsp.java:2737) org.apache.jsp.show_002dthread_jsp$Helper.invoke(show_002dthread_jsp.java:3350) org.apache.jsp.tag.web.access_tag._jspx_meth_c_005fif_005f2(access_tag.java:362) org.apache.jsp.tag.web.access_tag.doTag(access_tag.java:217) org.apache.jsp.show_002dthread_jsp$Helper.invoke0(show_002dthread_jsp.java:2566) org.apache.jsp.show_002dthread_jsp$Helper.invoke(show_002dthread_jsp.java:3347) org.apache.jsp.tag.web.base_tag.doTag(base_tag.java:278) org.apache.jsp.show_002dthread_jsp._jspService(show_002dthread_jsp.java:283) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:401) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:345) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
java.lang.NumberFormatException: For input string: "" java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) java.lang.Long.parseLong(Long.java:601) java.lang.Long.parseLong(Long.java:631) java.text.DigitList.getLong(DigitList.java:195) java.text.DecimalFormat.parse(DecimalFormat.java:2084) java.text.SimpleDateFormat.subParse(SimpleDateFormat.java:2162) java.text.SimpleDateFormat.parse(SimpleDateFormat.java:1514) java.text.DateFormat.parse(DateFormat.java:364) org.ontobox.box.helper.DateHelper.parse(DateHelper.java:28) org.ontobox.box.helper.ArrayHelper.stringsToDateTimes(ArrayHelper.java:135) org.ontobox.box.base.BaseBoxWorker.dateTimesForObject(BaseBoxWorker.java:468) org.ontobox.box.base.BaseBoxWorker.dateTimes(BaseBoxWorker.java:472) org.ontobox.box.helper.impl.DirectTValues.dateTime(DirectTValues.java:113) com.teacode.forum.model.Message.<init>(Message.java:29) com.teacode.forum.model.Thread.getMessages(Thread.java:136) org.apache.jsp.tag.web.pageMessages_tag.doTag(pageMessages_tag.java:157) org.apache.jsp.show_002dthread_jsp$Helper.invoke1(show_002dthread_jsp.java:2737) org.apache.jsp.show_002dthread_jsp$Helper.invoke(show_002dthread_jsp.java:3350) org.apache.jsp.tag.web.access_tag._jspx_meth_c_005fif_005f2(access_tag.java:362) org.apache.jsp.tag.web.access_tag.doTag(access_tag.java:217) org.apache.jsp.show_002dthread_jsp$Helper.invoke0(show_002dthread_jsp.java:2566) org.apache.jsp.show_002dthread_jsp$Helper.invoke(show_002dthread_jsp.java:3347) org.apache.jsp.tag.web.base_tag.doTag(base_tag.java:278) org.apache.jsp.show_002dthread_jsp._jspService(show_002dthread_jsp.java:283) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:401) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:345) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.32 (Ubuntu) logs.