An internal exception occured.

DIF cannot recover from it. The internal resources are unavailable to we cannot provide a processed error handling.

Bellow is a description of the originating Exception that broke the request execution.

pt.digitalis.dif.exception.controller.ControllerException: java.util.ConcurrentModificationException

pt.digitalis.dif.exception.controller.ControllerException: java.util.ConcurrentModificationException
	at pt.digitalis.dif.controller.http.ChALHTTPImpl.translateRequest(ChALHTTPImpl.java:979)
	at pt.digitalis.dif.controller.http.DIF1IntegrationChALHTTPImpl.translateRequest(DIF1IntegrationChALHTTPImpl.java:119)
	at pt.digitalis.dif.controller.http.DIF1IntegrationChALHTTPImpl.translateRequest(DIF1IntegrationChALHTTPImpl.java:37)
	at pt.digitalis.dif.controller.AbstractChAL.serve(AbstractChAL.java:107)
	at pt.digitalis.dif.controller.http.DIF1IntegrationChALHTTPImpl.serve(DIF1IntegrationChALHTTPImpl.java:65)
	at pt.digitalis.dif.controller.http.DIF1IntegrationChALHTTPImpl.serve(DIF1IntegrationChALHTTPImpl.java:37)
	at pt.digitalis.dif.listeners.HttpListener.processRequest(HttpListener.java:76)
	at pt.digitalis.dif.listeners.AbstractRESTfullHttpListener.doGet(AbstractRESTfullHttpListener.java:64)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at pt.digitalis.dif.listeners.RESTRequestsFilter.doFilter(RESTRequestsFilter.java:100)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:239)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:215)
	at pt.digitalis.dif.utils.monitoring.DIFMonitoringFilter.doFilter(DIFMonitoringFilter.java:55)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	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:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:911)
	at java.util.ArrayList$Itr.next(ArrayList.java:861)
	at pt.digitalis.utils.common.CollectionUtils.listToSeparatedString(CollectionUtils.java:664)
	at pt.digitalis.utils.common.CollectionUtils.listToCommaSeparatedString(CollectionUtils.java:592)
	at pt.digitalis.dif.utils.logging.DIFLoggerInterceptorImpl.addStageToInterpectList(DIFLoggerInterceptorImpl.java:93)
	at pt.digitalis.dif.utils.logging.DIFLoggerInterceptorImpl.addStageToInterpectList(DIFLoggerInterceptorImpl.java:117)
	at pt.digitalis.dif.controller.http.ChALHTTPImpl.translateRequest(ChALHTTPImpl.java:863)
	... 35 more