Lediga jobb: Fakultets

● 2026-03-20 - Linköpings universitet
Doktorand inom semantisk och målinriktad kommunikation
Högskolejobb, Norrköping

● 2026-03-20 - Linköpings universitet
Doktorand i datalogi
Högskolejobb, Linköping

● 2026-03-20 - Linköpings universitet
Doktorand i kommunikationselektronik
Högskolejobb, Norrköping

● 2026-03-18 - Linköpings universitet
Doktorand i socialt arbete med inriktning mot välfärdsrätt
Högskolejobb, Norrköping

● 2026-03-18 - Linköpings universitet
Doktorand i medicinska vetenskaper
Högskolejobb, Linköping

● 2026-03-18 - Linköpings universitet
Doktorand i beräkningsbaserad kryo-elektroteknik och strukturell biologi
Högskolejobb, Linköping

● 2026-03-16 - Linköpings universitet
Doktorand inom maskininlärning
Högskolejobb, Linköping

● 2026-03-12 - Linköpings universitet
Doktorander i Kultur och samhälle
Högskolejobb, Norrköping

● 2026-03-11 - Linköpings universitet
Doktorand i miljömanagement och miljöteknik
Högskolejobb, Linköping

● 2026-03-11 - Linköpings universitet
Doktorand i Cybersäkerhet
Högskolejobb, Linköping

HTTP Status 500 â Internal Server Error

HTTP Status 500 â Internal Server Error

Type Exception Report

Message An exception occurred processing [/admin-uncached-footer.jsp] at line [4]

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: An exception occurred processing [/admin-uncached-footer.jsp] at line [4]

1: <%@ page pageEncoding="UTF-8" %><%@ include file="/java-header.jsp" %><%
2:     out.println("<%@ page pageEncoding=\"UTF-8\" %" + ">");
3:  %>
4: 
5: <div class="container">
6: <div class="columns">
7: <div class="column">


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:489)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:779)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)

Root Cause

javax.servlet.ServletException: java.sql.SQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:657)
	org.apache.jsp.admin_002duncached_002dfooter_jsp._jspService(admin_002duncached_002dfooter_jsp.java:507)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:779)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:779)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)

Root Cause

java.sql.SQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"
	com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
	com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
	com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828)
	com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448)
	com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
	java.sql/java.sql.DriverManager.getConnection(DriverManager.java:681)
	java.sql/java.sql.DriverManager.getConnection(DriverManager.java:252)
	generic.StorageManager.getConnection(StorageManager.java:75)
	generic.StorageManager.<init>(StorageManager.java:31)
	org.apache.jsp.admin_002duncached_002dfooter_jsp._jspService(admin_002duncached_002dfooter_jsp.java:375)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:779)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:779)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)

Note The full stack trace of the root cause is available in the server logs.

Apache Tomcat/9.0.68

Vakanser.se 2007-2026 | Skapa prenumeration på nya jobb | Arbetsgivare: Lägg upp en platsannons | Om oss | Kontakta oss