HTTP Status 500 - java.net.UnknownHostException: dlib.uni-rostock.de


type Exception report

message java.net.UnknownHostException: dlib.uni-rostock.de

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

exception

org.apache.jasper.JasperException: java.net.UnknownHostException: dlib.uni-rostock.de
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:460)
	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:727)

root cause

java.net.UnknownHostException: dlib.uni-rostock.de
	java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
	java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	java.net.Socket.connect(Socket.java:579)
	java.net.Socket.connect(Socket.java:528)
	sun.net.NetworkClient.doConnect(NetworkClient.java:180)
	sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	sun.net.www.http.HttpClient.New(HttpClient.java:308)
	sun.net.www.http.HttpClient.New(HttpClient.java:326)
	sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:997)
	sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:933)
	sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:851)
	sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1301)
	java.net.URL.openStream(URL.java:1037)
	org.apache.jsp.oldref_jsp._jspService(oldref_jsp.java:106)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
	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:727)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.52 (Ubuntu) logs.


Apache Tomcat/7.0.52 (Ubuntu)