{"issue":{"state":"open","created_at":"2011-11-28T15:01:41Z","updated_at":"2011-11-28T15:01:41Z","user":{"gravatar_id":"24f5fc70509db75524762e9afc80f572","id":582589,"url":"https://api.github.com/users/danpaulsmith","avatar_url":"https://secure.gravatar.com/avatar/24f5fc70509db75524762e9afc80f572?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","login":"danpaulsmith"},"comments":0,"body":"Hi there,\r\n\r\nUsing the 0.5.3 version and latest Refine version, for the last two weeks, we've been getting a JavaScript alert when loading the project page.\r\n\r\nConsole log from Refine shows a null pointer exception when doing something with the Sindice service:\r\n\r\n14:58:29.332 [                butterfly] GET /project [main] (32059ms)\r\n14:58:29.580 [                butterfly] GET /wirings.js [main] (248ms)\r\n14:58:29.581 [                butterfly] GET /externals/jquery-1.4.2.min.js [main] (1ms)\r\n14:58:29.582 [                butterfly] GET /externals/jquery.cookie.js [main] (1ms)\r\n14:58:29.583 [                butterfly] GET /externals/jquery.eventstack-0.3.js [main] (1ms)\r\n14:58:29.583 [                butterfly] GET /externals/suggest/suggest-1.2.1.min.js [main] (0ms)\r\n14:58:29.584 [                butterfly] GET /externals/jquery-ui/jquery-ui-1.8.custom.min.js [main] (1ms)\r\n14:58:29.599 [                butterfly] GET /externals/imgareaselect/jquery.imgareaselect.js [main] (15ms)\r\n14:58:29.693 [                butterfly] GET /externals/date.js [main] (94ms)\r\n14:58:29.693 [                butterfly] GET /externals/CFInstall.min.js [main] (0ms)\r\n14:58:29.694 [                butterfly] GET /scripts/chrome-frame.js [main] (1ms)\r\n14:58:29.694 [                butterfly] GET /scripts/project.js [main] (0ms)\r\n14:58:29.700 [                butterfly] GET /scripts/util/misc.js [main] (6ms)\r\n14:58:29.756 [                butterfly] GET /scripts/util/url.js [main] (56ms)\r\n14:58:29.772 [                butterfly] GET /scripts/util/string.js [main] (16ms)\r\n14:58:29.797 [                butterfly] GET /scripts/util/ajax.js [main] (25ms)\r\n14:58:29.797 [                butterfly] GET /scripts/util/menu.js [main] (0ms)\r\n14:58:29.807 [                butterfly] GET /scripts/util/dialog.js [main] (10ms)\r\n14:58:29.808 [                butterfly] GET /scripts/util/custom-suggest.js [main] (1ms)\r\n14:58:29.808 [                butterfly] GET /scripts/util/dom.js [main] (0ms)\r\n14:58:29.808 [                butterfly] GET /scripts/util/encoding.js [main] (0ms)\r\n14:58:29.825 [                butterfly] GET /scripts/widgets/histogram-widget.js [main] (17ms)\r\n14:58:29.825 [                butterfly] GET /scripts/widgets/slider-widget.js [main] (0ms)\r\n14:58:29.825 [                butterfly] GET /scripts/project/browsing-engine.js [main] (0ms)\r\n14:58:29.825 [                butterfly] GET /scripts/project/history-panel.js [main] (0ms)\r\n14:58:29.837 [                butterfly] GET /scripts/project/process-panel.js [main] (12ms)\r\n14:58:29.837 [                butterfly] GET /scripts/project/extension-bar.js [main] (0ms)\r\n14:58:29.883 [                butterfly] GET /scripts/project/summary-bar.js [main] (46ms)\r\n14:58:29.883 [                butterfly] GET /scripts/project/exporters.js [main] (0ms)\r\n14:58:29.910 [                butterfly] GET /scripts/project/scripting.js [main] (27ms)\r\n14:58:29.911 [                butterfly] GET /scripts/facets/list-facet.js [main] (1ms)\r\n14:58:29.911 [                butterfly] GET /scripts/facets/timerange-facet.js [main] (0ms)\r\n14:58:29.911 [                butterfly] GET /scripts/facets/scatterplot-facet.js [main] (0ms)\r\n14:58:29.911 [                butterfly] GET /scripts/facets/text-search-facet.js [main] (0ms)\r\n14:58:29.911 [                butterfly] GET /scripts/facets/range-facet.js [main] (0ms)\r\n14:58:29.926 [                butterfly] GET /scripts/views/data-table/data-table-view.js [main] (15ms)\r\n14:58:29.927 [                butterfly] GET /scripts/views/data-table/cell-ui.js [main] (1ms)\r\n14:58:29.928 [                butterfly] GET /scripts/views/data-table/column-header-ui.js [main] (1ms)\r\n14:58:29.929 [                butterfly] GET /scripts/views/data-table/menu-facets.js [main] (1ms)\r\n14:58:29.929 [                butterfly] GET /scripts/views/data-table/menu-edit-cells.js [main] (0ms)\r\n14:58:29.930 [                butterfly] GET /scripts/views/data-table/menu-edit-column.js [main] (1ms)\r\n14:58:29.993 [                butterfly] GET /scripts/views/data-table/menu-reconcile.js [main] (63ms)\r\n14:58:29.993 [                butterfly] GET /scripts/reconciliation/recon-manager.js [main] (0ms)\r\n14:58:29.993 [                butterfly] GET /scripts/reconciliation/recon-dialog.js [main] (0ms)\r\n14:58:29.994 [                butterfly] GET /scripts/reconciliation/freebase-query-panel.js [main] (1ms)\r\n14:58:30.008 [                butterfly] GET /scripts/reconciliation/standard-service-panel.js [main] (14ms)\r\n14:58:30.056 [                butterfly] GET /scripts/dialogs/expression-preview-dialog.js [main] (48ms)\r\n14:58:30.056 [                butterfly] GET /scripts/dialogs/clustering-dialog.js [main] (0ms)\r\n14:58:30.056 [                butterfly] GET /scripts/dialogs/scatterplot-dialog.js [main] (0ms)\r\n14:58:30.056 [                butterfly] GET /scripts/dialogs/templating-exporter-dialog.js [main] (0ms)\r\n14:58:30.056 [                butterfly] GET /scripts/dialogs/column-reordering-dialog.js [main] (0ms)\r\n14:58:30.057 [                butterfly] GET /scripts/dialogs/custom-tabular-exporter-dialog.js [main] (1ms)\r\n14:58:30.077 [                butterfly] GET /extension/rdf-extension/scripts/rdf-data-table-view.js [main] (20ms)\r\n14:58:30.077 [                butterfly] GET /extension/rdf-extension/scripts/menu-bar-extensions.js [main] (0ms)\r\n14:58:30.078 [                butterfly] GET /extension/rdf-extension/scripts/rdf-schema-alignment.js [main] (1ms)\r\n14:58:30.078 [                butterfly] GET /extension/rdf-extension/scripts/rdf-schema-alignment-ui-node.js [main] (0ms)\r\n14:58:30.078 [                butterfly] GET /extension/rdf-extension/scripts/rdf-schema-alignment-ui-link.js [main] (0ms)\r\n14:58:30.078 [                butterfly] GET /extension/rdf-extension/scripts/suggestterm.suggest.js [main] (0ms)\r\n14:58:30.117 [            rdf_extension] recieving request for scripts/rdf-schema-alignment.js (39ms)\r\n14:58:30.118 [            rdf_extension] recieving request for scripts/menu-bar-extensions.js (1ms)\r\n14:58:30.119 [            rdf_extension] recieving request for scripts/rdf-schema-alignment-ui-link.js (1ms)\r\n14:58:30.119 [            rdf_extension] recieving request for scripts/rdf-data-table-view.js (0ms)\r\n14:58:30.123 [            rdf_extension] recieving request for scripts/suggestterm.suggest.js (4ms)\r\n14:58:30.123 [            rdf_extension] recieving request for scripts/rdf-schema-alignment-ui-node.js (0ms)\r\n14:58:30.136 [                butterfly] GET /extension/rdf-extension/scripts/rdf-schema-manage-vocabs-widget.js [main] (13ms)\r\n14:58:30.151 [            rdf_extension] recieving request for scripts/rdf-schema-manage-vocabs-widget.js (15ms)\r\n14:58:30.191 [                butterfly] GET /extension/rdf-extension/scripts/rdf-schema-vocabulary-manager.js [main] (40ms)\r\n14:58:30.191 [                butterfly] GET /extension/rdf-extension/scripts/rdf-schema-new-prefix-widget.js [main] (0ms)\r\n14:58:30.191 [                butterfly] GET /extension/rdf-extension/scripts/externals/jquery.form.js [main] (0ms)\r\n14:58:30.191 [                butterfly] GET /extension/rdf-extension/scripts/sindice/sindice-dialog.js [main] (0ms)\r\n14:58:30.192 [                butterfly] GET /extension/linkedgov/scripts/project.js [main] (1ms)\r\n14:58:30.200 [                butterfly] GET /extension/linkedgov/externals/jquery-ui/jquery-ui.datepicker.js [main] (8ms)\r\n14:58:30.220 [            rdf_extension] recieving request for scripts/sindice/sindice-dialog.js (20ms)\r\n14:58:30.223 [            rdf_extension] recieving request for scripts/rdf-schema-vocabulary-manager.js (3ms)\r\n14:58:30.223 [            rdf_extension] recieving request for scripts/rdf-schema-new-prefix-widget.js (0ms)\r\n14:58:30.224 [            rdf_extension] recieving request for scripts/externals/jquery.form.js (1ms)\r\n14:58:30.270 [                butterfly] GET /extension/freebase/scripts/extension.js [main] (46ms)\r\n14:58:30.270 [                butterfly] GET /extension/freebase/scripts/util/freebase.js [main] (0ms)\r\n14:58:30.270 [                butterfly] GET /extension/freebase/scripts/util/sign.js [main] (0ms)\r\n14:58:30.328 [                butterfly] GET /extension/freebase/scripts/dialogs/freebase-loading-dialog.js [main] (58ms)\r\n14:58:30.382 [                butterfly] GET /extension/freebase/scripts/dialogs/extend-data-preview-dialog.js [main] (54ms)\r\n14:58:30.417 [                butterfly] GET /extension/freebase/scripts/dialogs/schema-alignment/dialog.js [main] (35ms)\r\n14:58:30.417 [                butterfly] GET /extension/freebase/scripts/dialogs/schema-alignment/ui-node.js [main] (0ms)\r\n14:58:30.417 [                butterfly] GET /extension/freebase/scripts/dialogs/schema-alignment/ui-link.js [main] (0ms)\r\n14:58:30.439 [                butterfly] GET /extension/gdata/scripts/gdata-extension.js [main] (22ms)\r\n14:58:30.439 [                butterfly] GET /extension/gdata/scripts/project/exporters.js [main] (0ms)\r\n14:58:30.439 [                butterfly] GET /extension/sample/scripts/project-injection.js [main] (0ms)\r\n14:58:30.457 [                butterfly] GET /externals/jquery-ui/css/ui-lightness/jquery-ui-1.8.custom.css [main] (18ms)\r\n14:58:30.457 [                butterfly] GET /externals/suggest/css/suggest-1.2.1.min.css [main] (0ms)\r\n14:58:30.495 [                butterfly] GET /externals/imgareaselect/css/imgareaselect-default.css [main] (38ms)\r\n14:58:30.529 [                butterfly] GET /styles/common.less [main] (34ms)\r\n14:58:30.529 [                butterfly] GET /styles/pure.css [main] (0ms)\r\n14:58:30.529 [                butterfly] GET /styles/jquery-ui-overrides.less [main] (0ms)\r\n14:58:30.529 [                butterfly] GET /styles/util/menu.less [main] (0ms)\r\n14:58:30.529 [                butterfly] GET /styles/util/dialog.less [main] (0ms)\r\n14:58:30.538 [                butterfly] GET /styles/util/custom-suggest.less [main] (9ms)\r\n14:58:30.608 [                butterfly] GET /styles/util/encoding.less [main] (70ms)\r\n14:58:30.608 [                butterfly] GET /styles/project.less [main] (0ms)\r\n14:58:30.608 [                butterfly] GET /styles/project/sidebar.less [main] (0ms)\r\n14:58:30.609 [                butterfly] GET /styles/project/facets.less [main] (1ms)\r\n14:58:30.609 [                butterfly] GET /styles/project/process.less [main] (0ms)\r\n14:58:30.612 [                butterfly] GET /styles/widgets/histogram-widget.less [main] (3ms)\r\n14:58:30.645 [                butterfly] GET /styles/widgets/slider-widget.less [main] (33ms)\r\n14:58:30.645 [                butterfly] GET /styles/views/data-table-view.less [main] (0ms)\r\n14:58:30.653 [                butterfly] GET /styles/dialogs/expression-preview-dialog.less [main] (8ms)\r\n14:58:30.654 [                butterfly] GET /styles/dialogs/clustering-dialog.less [main] (1ms)\r\n14:58:30.654 [                butterfly] GET /styles/dialogs/scatterplot-dialog.less [main] (0ms)\r\n14:58:30.654 [                butterfly] GET /styles/dialogs/column-reordering-dialog.less [main] (0ms)\r\n14:58:30.657 [                butterfly] GET /styles/dialogs/custom-tabular-exporter-dialog.less [main] (3ms)\r\n14:58:30.693 [                butterfly] GET /styles/reconciliation/recon-dialog.less [main] (36ms)\r\n14:58:30.693 [                butterfly] GET /styles/reconciliation/standard-service-panel.less [main] (0ms)\r\n14:58:30.693 [                butterfly] GET /extension/rdf-extension/styles/rdf-schema-alignment-dialog.css [main] (0ms)\r\n14:58:30.694 [                butterfly] GET /extension/rdf-extension/styles/rdf-reconcile-service.css [main] (1ms)\r\n14:58:30.694 [                butterfly] GET /extension/rdf-extension/styles/sindice/recon-dialog.css [main] (0ms)\r\n14:58:30.695 [                butterfly] GET /extension/linkedgov/styles/project.css [main] (1ms)\r\n14:58:30.721 [                butterfly] GET /extension/linkedgov/externals/jquery-ui/css/jquery-ui.datepicker.less [main] (26ms)\r\n14:58:30.722 [            rdf_extension] recieving request for styles/sindice/recon-dialog.css (1ms)\r\n14:58:30.724 [            rdf_extension] recieving request for styles/rdf-reconcile-service.css (2ms)\r\n14:58:30.725 [                butterfly] GET /extension/freebase/styles/dialogs/freebase-loading-dialog.less [main] (1ms)\r\n14:58:30.725 [            rdf_extension] recieving request for styles/rdf-schema-alignment-dialog.css (0ms)\r\n14:58:30.726 [                butterfly] GET /extension/freebase/styles/dialogs/extend-data-preview-dialog.less [main] (1ms)\r\n14:58:30.726 [                butterfly] GET /extension/freebase/styles/dialogs/schema-alignment-dialog.less [main] (0ms)\r\n14:58:30.740 [                butterfly] GET /extension/sample/styles/project-injection.less [main] (14ms)\r\n14:58:30.750 [                   refine] GET /command/core/get-preference (10ms)\r\n14:58:30.751 [                butterfly] GET /images/logo-googlerefine-30.png [main] (1ms)\r\n14:58:31.271 [                   refine] POST /command/rdf-extension/initializeServices (520ms)\r\n14:58:31.275 [                  command] Exception caught (4ms)\r\njava.lang.NullPointerException\r\n\tat java.util.Properties$LineReader.readLine(Properties.java:418)\r\n\tat java.util.Properties.load0(Properties.java:337)\r\n\tat java.util.Properties.load(Properties.java:325)\r\n\tat com.google.refine.org.deri.reconcile.rdf.factories.PreviewResourceCannedQuery.<init>(PreviewResourceCannedQuery.java:25)\r\n\tat com.google.refine.org.deri.reconcile.sindice.SindiceService.<init>(SindiceService.java:62)\r\n\tat com.google.refine.org.deri.reconcile.sindice.SindiceService.<init>(SindiceService.java:49)\r\n\tat com.google.refine.org.deri.reconcile.commands.InitializeServicesCommand.getReconciliationService(InitializeServicesCommand.java:22)\r\n\tat com.google.refine.org.deri.reconcile.commands.AbstractAddServiceCommand.doPost(AbstractAddServiceCommand.java:25)\r\n\tat com.google.refine.RefineServlet.service(RefineServlet.java:177)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:820)\r\n\tat org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)\r\n\tat org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)\r\n\tat org.mortbay.servlet.UserAgentFilter.doFilter(UserAgentFilter.java:81)\r\n\tat org.mortbay.servlet.GzipFilter.doFilter(GzipFilter.java:132)\r\n\tat org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)\r\n\tat org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)\r\n\tat org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)\r\n\tat org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)\r\n\tat org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)\r\n\tat org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)\r\n\tat org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)\r\n\tat org.mortbay.jetty.Server.handle(Server.java:326)\r\n\tat org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)\r\n\tat org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)\r\n\tat org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)\r\n\tat org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)\r\n\tat org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)\r\n\tat org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)\r\n\tat java.lang.Thread.run(Thread.java:680)\r\n14:58:31.279 [                butterfly] GET /extension/linkedgov/html/project/typing-panel.html [main] (4ms)\r\n14:58:31.279 [                butterfly] GET /images/large-spinner.gif [main] (0ms)\r\n14:58:31.281 [                   refine] GET /command/core/get-project-metadata (2ms)\r\n14:58:31.285 [                butterfly] GET /extension/linkedgov/images/logo-small.png [main] (4ms)\r\n14:58:31.434 [                   refine] GET /command/core/get-models (149ms)\r\n14:58:31.434 [                butterfly] GET /extension/linkedgov/scripts/project/typing-panel.js [main] (0ms)\r\n14:58:31.479 [                   refine] POST /command/core/get-rows (45ms)\r\n14:58:31.516 [                butterfly] GET /images/down-arrow.png [main] (37ms)\r\n14:58:31.517 [                butterfly] GET /images/small-spinner.gif [main] (1ms)\r\n14:58:31.531 [                butterfly] GET /images/logo-gem-40.png [main] (14ms)\r\n14:58:31.531 [                   refine] GET /command/core/get-history (0ms)\r\n14:58:31.548 [                butterfly] GET /scripts/views/data-table/column-header.html [main] (17ms)\r\n14:58:31.594 [                butterfly] GET /scripts/project/history-panel.html [main] (46ms)\r\n14:58:31.627 [                butterfly] GET /scripts/project/history-entry.html [main] (33ms)\r\n14:58:31.848 [                   refine] GET /command/core/get-history (221ms)\r\n14:58:31.848 [                butterfly] GET /images/menu-dropdown.png [main] (0ms)\r\n14:58:31.848 [                butterfly] GET /images/star-flag-map.png [main] (0ms)\r\n14:58:31.854 [                butterfly] GET /images/edit-map.png [main] (6ms)\r\n14:58:32.822 [                butterfly] GET /extension/linkedgov/images/columns_to_rows_wizard_icon.png [main] (968ms)\r\n14:58:32.822 [                butterfly] GET /extension/linkedgov/images/rows_to_columns_wizard_icon.png [main] (0ms)\r\n14:58:32.822 [                butterfly] GET /extension/linkedgov/images/date_and_time_wizard_icon.png [main] (0ms)\r\n14:58:32.822 [                butterfly] GET /extension/linkedgov/images/measurements_wizard_icon.png [main] (0ms)\r\n14:58:32.822 [                butterfly] GET /extension/linkedgov/images/geolocation_wizard_icon.png [main] (0ms)\r\n14:58:32.822 [                butterfly] GET /extension/linkedgov/images/address_wizard_icon.png [main] (0ms)\r\n14:58:32.837 [                butterfly] GET /extension/linkedgov/scripts/project/address-wizard.js [main] (15ms)\r\n14:58:32.839 [                butterfly] GET /extension/linkedgov/scripts/project/datetime-wizard.js [main] (2ms)\r\n14:58:32.845 [                butterfly] GET /extension/linkedgov/scripts/project/geolocation-wizard.js [main] (6ms)\r\n14:58:32.851 [                butterfly] GET /extension/linkedgov/scripts/project/measurements-wizard.js [main] (6ms)\r\n14:58:32.868 [                butterfly] GET /extension/linkedgov/scripts/project/columnsToRows-wizard.js [main] (17ms)\r\n14:58:32.868 [                butterfly] GET /extension/linkedgov/scripts/project/rowsToColumns-wizard.js [main] (0ms)\r\n14:58:32.869 [                butterfly] GET /extension/linkedgov/scripts/project/refine-operations.js [main] (1ms)\r\n14:58:32.869 [                butterfly] GET /extension/linkedgov/scripts/project/rdf-operations.js [main] (0ms)\r\n14:58:34.320 [                butterfly] GET /extension/linkedgov/images/arrow.png [main] (1451ms)\r\n14:58:34.343 [                butterfly] GET /extension/linkedgov/images/rdf-small.png [main] (23ms)","assignee":null,"id":2368123,"labels":[],"pull_request":{"patch_url":null,"html_url":null,"diff_url":null},"number":39,"title":"\"error:undefined\" alert on start up","closed_at":null,"html_url":"https://github.com/fadmaa/grefine-rdf-extension/issues/39","url":"https://api.github.com/repos/fadmaa/grefine-rdf-extension/issues/39","milestone":null},"action":"opened"}