{"action":"opened","issue":{"url":"https://api.github.com/repos/UnifiedViews/Core/issues/416","labels_url":"https://api.github.com/repos/UnifiedViews/Core/issues/416/labels{/name}","comments_url":"https://api.github.com/repos/UnifiedViews/Core/issues/416/comments","events_url":"https://api.github.com/repos/UnifiedViews/Core/issues/416/events","html_url":"https://github.com/UnifiedViews/Core/issues/416","id":88726205,"number":416,"title":"Refresher exception","user":{"login":"mkl-eea-sk","id":6399320,"avatar_url":"https://avatars.githubusercontent.com/u/6399320?v=3","gravatar_id":"","url":"https://api.github.com/users/mkl-eea-sk","html_url":"https://github.com/mkl-eea-sk","followers_url":"https://api.github.com/users/mkl-eea-sk/followers","following_url":"https://api.github.com/users/mkl-eea-sk/following{/other_user}","gists_url":"https://api.github.com/users/mkl-eea-sk/gists{/gist_id}","starred_url":"https://api.github.com/users/mkl-eea-sk/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mkl-eea-sk/subscriptions","organizations_url":"https://api.github.com/users/mkl-eea-sk/orgs","repos_url":"https://api.github.com/users/mkl-eea-sk/repos","events_url":"https://api.github.com/users/mkl-eea-sk/events{/privacy}","received_events_url":"https://api.github.com/users/mkl-eea-sk/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-06-16T13:20:07Z","updated_at":"2015-06-16T13:20:07Z","closed_at":null,"body":"From time to time, frontend freezes with exception\r\n```\r\njava.lang.NullPointerException: null\r\n\tat cz.cuni.mff.xrg.odcs.frontend.auxiliaries.RefreshManager$1.refresh(RefreshManager.java:141) ~[RefreshManager$1.class:na]\r\n\tat com.github.wolfie.refresher.Refresher.fireRefreshEvents(Refresher.java:72) ~[refresher-1.2.1.7.jar:1.2.1.7]\r\n\tat com.github.wolfie.refresher.Refresher.access$1(Refresher.java:70) ~[refresher-1.2.1.7.jar:1.2.1.7]\r\n\tat com.github.wolfie.refresher.Refresher$1.refresh(Refresher.java:35) ~[refresher-1.2.1.7.jar:1.2.1.7]\r\n\tat sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source) ~[na:na]\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_79]\r\n\tat java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_79]\r\n\tat com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:168) ~[vaadin-server-7.3.7.jar:7.3.7]\r\n\tat com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:118) ~[vaadin-server-7.3.7.jar:7.3.7]\r\n\tat com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:287) [vaadin-server-7.3.7.jar:7.3.7]\r\n\tat com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:180) [vaadin-server-7.3.7.jar:7.3.7]\r\n\tat com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:93) [vaadin-server-7.3.7.jar:7.3.7]\r\n\tat com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41) [vaadin-server-7.3.7.jar:7.3.7]\r\n\tat com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1406) [vaadin-server-7.3.7.jar:7.3.7]\r\n\tat com.vaadin.server.VaadinServlet.service(VaadinServlet.java:305) [vaadin-server-7.3.7.jar:7.3.7]\r\n\tat cz.cuni.mff.xrg.odcs.frontend.ODCSApplicationServlet.service(ODCSApplicationServlet.java:109) [ODCSApplicationServlet.class:na]\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:728) [servlet-api.jar:na]\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [catalina.jar:7.0.50]\r\n\tat org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat7-websocket.jar:7.0.50]\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) [catalina.jar:7.0.50]\r\n\tat org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409) [catalina.jar:7.0.50]\r\n\tat org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044) [tomcat-coyote.jar:7.0.50]\r\n\tat org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) [tomcat-coyote.jar:7.0.50]\r\n\tat org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1721) [tomcat-coyote.jar:7.0.50]\r\n\tat org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1679) [tomcat-coyote.jar:7.0.50]\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_79]\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_79]\r\n\tat java.lang.Thread.run(Thread.java:745) [na:1.7.0_79]\r\n```"}}