Fedora: 500 Internal Server Error

500 Internal Server Error

[DefaultExternalContentManager] returned an error. The underlying error was a org.fcrepo.server.errors.GeneralException The message was "Error getting http://localhost:8081/saxonnu/SaxonServlet?source=http%3A%2F%2Frepository.library.northwestern.edu%3A8080%2Ffedora%2Fget%2Finu%3Ainu-ead-spec-archon-1413%2FEAD%2F2014-03-25T23%3A15%3A40.689Z&style=http%3A%2F%2Frepository.library.northwestern.edu%2Ffedora%2Fget%2Finu%3AEADXSLPortal%2FHTMLXSL&pid=inu%3Ainu-ead-spec-archon-1413&clear-stylesheet-cache=no&search=" .

org.fcrepo.server.errors.HttpServiceNotFoundException: [DefaultExternalContentManager] returned an error.  The underlying error was a org.fcrepo.server.errors.GeneralException  The message was  "Error getting http://localhost:8081/saxonnu/SaxonServlet?source=http%3A%2F%2Frepository.library.northwestern.edu%3A8080%2Ffedora%2Fget%2Finu%3Ainu-ead-spec-archon-1413%2FEAD%2F2014-03-25T23%3A15%3A40.689Z&style=http%3A%2F%2Frepository.library.northwestern.edu%2Ffedora%2Fget%2Finu%3AEADXSLPortal%2FHTMLXSL&pid=inu%3Ainu-ead-spec-archon-1413&clear-stylesheet-cache=no&search="  .  
	at org.fcrepo.server.storage.DefaultExternalContentManager.getExternalContent(DefaultExternalContentManager.java:155)
	at org.fcrepo.server.access.dissemination.DisseminationService.assembleDissemination(DisseminationService.java:684)
	at org.fcrepo.server.access.DefaultAccess.getDissemination(DefaultAccess.java:475)
	at org.fcrepo.server.access.FedoraAccessServlet.getDissemination(FedoraAccessServlet.java:734)
	at org.fcrepo.server.access.FedoraAccessServlet.doGet(FedoraAccessServlet.java:441)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.fcrepo.server.security.servletfilters.FilterSetup.doFilter(FilterSetup.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.fcrepo.server.security.servletfilters.FilterSetup.doFilter(FilterSetup.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.fcrepo.server.security.servletfilters.FilterSetup.doFilter(FilterSetup.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
	at java.lang.Thread.run(Thread.java:662)
Caused by: org.fcrepo.server.errors.GeneralException: Error getting http://localhost:8081/saxonnu/SaxonServlet?source=http%3A%2F%2Frepository.library.northwestern.edu%3A8080%2Ffedora%2Fget%2Finu%3Ainu-ead-spec-archon-1413%2FEAD%2F2014-03-25T23%3A15%3A40.689Z&style=http%3A%2F%2Frepository.library.northwestern.edu%2Ffedora%2Fget%2Finu%3AEADXSLPortal%2FHTMLXSL&pid=inu%3Ainu-ead-spec-archon-1413&clear-stylesheet-cache=no&search=
	at org.fcrepo.server.storage.DefaultExternalContentManager.get(DefaultExternalContentManager.java:180)
	at org.fcrepo.server.storage.DefaultExternalContentManager.getFromWeb(DefaultExternalContentManager.java:329)
	at org.fcrepo.server.storage.DefaultExternalContentManager.getExternalContent(DefaultExternalContentManager.java:149)
	... 31 more
Caused by: java.net.ConnectException: Connection refused
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
	at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
	at java.net.Socket.connect(Socket.java:529)
	at sun.reflect.GeneratedMethodAccessor69.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.commons.httpclient.protocol.ReflectionSocketFactory.createSocket(ReflectionSocketFactory.java:140)
	at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:125)
	at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1361)
	at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
	at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
	at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
	at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
	at org.fcrepo.common.http.HttpInputStream.(HttpInputStream.java:38)
	at org.fcrepo.common.http.WebClient.get(WebClient.java:176)
	at org.fcrepo.common.http.WebClient.get(WebClient.java:136)
	at org.fcrepo.server.storage.DefaultExternalContentManager.get(DefaultExternalContentManager.java:172)
	... 33 more