Type Exception Report
Message java.lang.IllegalArgumentException: Comparison method violates its general contract!
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.apache.jasper.JasperException: java.lang.IllegalArgumentException: Comparison method violates its general contract! org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:501) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:792) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause
java.lang.IllegalArgumentException: Comparison method violates its general contract! java.base/java.util.TimSort.mergeHi(Unknown Source) java.base/java.util.TimSort.mergeAt(Unknown Source) java.base/java.util.TimSort.mergeForceCollapse(Unknown Source) java.base/java.util.TimSort.sort(Unknown Source) java.base/java.util.Arrays.sort(Unknown Source) java.base/java.util.ArrayList.sort(Unknown Source) java.base/java.util.Collections.sort(Unknown Source) massbank.ResultList.sortList(ResultList.java:131) massbank.web.QueryToResultList.toResultList(QueryToResultList.java:113) org.apache.jsp.Result_jsp._jspService(Result_jsp.java:1098) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:792) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:792) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Note The full stack trace of the root cause is available in the server logs.