HTTP Status 500 - java.util.ConcurrentModificationException

---

type Exception report

message java.util.ConcurrentModificationException

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

exception

org.apache.jasper.JasperException: java.util.ConcurrentModificationException
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:538)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:430)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)
	com.sitechasia.ebiz.frontframework.web.CustomRequestProcessor.processForwardConfig(CustomRequestProcessor.java:62)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	com.sitechasia.ebiz.frontframework.web.StaticFilter.doFilter(StaticFilter.java:102)
	com.sitechasia.ebiz.framework.web.ContextFilter.doFilterInternal(ContextFilter.java:64)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)

root cause

java.util.ConcurrentModificationException
	java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
	java.util.AbstractList$Itr.next(AbstractList.java:343)
	org.apache.taglibs.standard.tag.common.core.ForEachSupport$SimpleForEachIterator.next(ForEachSupport.java:149)
	org.apache.taglibs.standard.tag.common.core.ForEachSupport.next(ForEachSupport.java:171)
	javax.servlet.jsp.jstl.core.LoopTagSupport.doAfterBody(LoopTagSupport.java:326)
	org.apache.jsp.pages.inquiry.FrontInquiry_005fadd01_002dd1_jsp._jspx_meth_c_005fforEach_005f0(FrontInquiry_005fadd01_002dd1_jsp.java:717)
	org.apache.jsp.pages.inquiry.FrontInquiry_005fadd01_002dd1_jsp._jspx_meth_c_005fif_005f0(FrontInquiry_005fadd01_002dd1_jsp.java:261)
	org.apache.jsp.pages.inquiry.FrontInquiry_005fadd01_002dd1_jsp._jspx_meth_ce_005fcomp_005f0(FrontInquiry_005fadd01_002dd1_jsp.java:182)
	org.apache.jsp.pages.inquiry.FrontInquiry_005fadd01_002dd1_jsp._jspService(FrontInquiry_005fadd01_002dd1_jsp.java:120)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)
	com.sitechasia.ebiz.frontframework.web.CustomRequestProcessor.processForwardConfig(CustomRequestProcessor.java:62)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	com.sitechasia.ebiz.frontframework.web.StaticFilter.doFilter(StaticFilter.java:102)
	com.sitechasia.ebiz.framework.web.ContextFilter.doFilterInternal(ContextFilter.java:64)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.39 logs.

---

Apache Tomcat/6.0.39

[an error occurred while processing this directive]