{"action":"created","issue":{"url":"https://api.github.com/repos/JabRef/jabref/issues/168","labels_url":"https://api.github.com/repos/JabRef/jabref/issues/168/labels{/name}","comments_url":"https://api.github.com/repos/JabRef/jabref/issues/168/comments","events_url":"https://api.github.com/repos/JabRef/jabref/issues/168/events","html_url":"https://github.com/JabRef/jabref/issues/168","id":106746988,"number":168,"title":"jabref 2.10 fails to start on Ubuntu 15.10","user":{"login":"severin-lemaignan","id":385379,"avatar_url":"https://avatars.githubusercontent.com/u/385379?v=3","gravatar_id":"","url":"https://api.github.com/users/severin-lemaignan","html_url":"https://github.com/severin-lemaignan","followers_url":"https://api.github.com/users/severin-lemaignan/followers","following_url":"https://api.github.com/users/severin-lemaignan/following{/other_user}","gists_url":"https://api.github.com/users/severin-lemaignan/gists{/gist_id}","starred_url":"https://api.github.com/users/severin-lemaignan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/severin-lemaignan/subscriptions","organizations_url":"https://api.github.com/users/severin-lemaignan/orgs","repos_url":"https://api.github.com/users/severin-lemaignan/repos","events_url":"https://api.github.com/users/severin-lemaignan/events{/privacy}","received_events_url":"https://api.github.com/users/severin-lemaignan/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/JabRef/jabref/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/JabRef/jabref/labels/linux","name":"linux","color":"5319e7"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-09-16T10:43:13Z","updated_at":"2015-12-01T16:37:17Z","closed_at":"2015-10-06T23:43:25Z","body":"Using ``jabref 2.10`` as packaged on Ubuntu 15.10, jabref fails to start most of the time: it displays the splashscreen, and stalls. Nothing special is displayed in the console either (except for ``Found 2 plugins:...``).\r\n\r\nRunning on gnome-shell 3.16.\r\n```\r\n$ java -version\r\nopenjdk version \"1.8.0_66-internal\"\r\nOpenJDK Runtime Environment (build 1.8.0_66-internal-b01)\r\nOpenJDK 64-Bit Server VM (build 25.66-b01, mixed mode)\r\n```\r\nSometimes (roughly one out of 10 trials), jabref does start, but display a ``NullPointerException`` on the console (may or may not be related):\r\n```\r\n$ jabref\r\nlog4j:WARN No appenders could be found for logger (org.java.plugin.ObjectFactory).\r\nlog4j:WARN Please initialize the log4j system properly.\r\nlog4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.\r\nFound 2 plugin(s):\r\n- net.sf.jabref.export.misq (jar:file:/usr/share/jabref/JabRef-2.10.jar!/plugins/net.sf.jabref.export.misq/plugin.xml)\r\n- net.sf.jabref.core (jar:file:/usr/share/jabref/JabRef-2.10.jar!/plugins/net.sf.jabref.core/plugin.xml)\r\n\r\njava.lang.NullPointerException\r\nat com.sun.java.swing.plaf.gtk.GTKEngine.native_get_gtk_setting(Native Method)\r\nat com.sun.java.swing.plaf.gtk.GTKEngine.getSetting(GTKEngine.java:622)\r\nat com.sun.java.swing.plaf.gtk.GTKLookAndFeel.getGTKStyleFactory(GTKLookAndFeel.java:1581)\r\nat com.sun.java.swing.plaf.gtk.GTKLookAndFeel.loadStyles(GTKLookAndFeel.java:1567)\r\nat com.sun.java.swing.plaf.gtk.GTKLookAndFeel.initialize(GTKLookAndFeel.java:1452)\r\nat javax.swing.UIManager.setLookAndFeel(UIManager.java:538)\r\nat javax.swing.UIManager.setLookAndFeel(UIManager.java:583)\r\nat net.sf.jabref.JabRef.setLookAndFeel(JabRef.java:669)\r\nat net.sf.jabref.JabRef.openWindow(JabRef.java:726)\r\nat net.sf.jabref.JabRef.<init>(JabRef.java:201)\r\nat net.sf.jabref.JabRef.main(JabRef.java:84)\r\nat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\nat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\nat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\nat java.lang.reflect.Method.invoke(Method.java:497)\r\nat net.sf.jabref.JabRefMain.main(Unknown Source)\r\nOpening: /home/skadge/publications/hri2016-attention/sigproc.bib\r\nCould not get key binding for \"Open folder\"\r\npage tab list\r\n```"},"comment":{"url":"https://api.github.com/repos/JabRef/jabref/issues/comments/161024640","html_url":"https://github.com/JabRef/jabref/issues/168#issuecomment-161024640","issue_url":"https://api.github.com/repos/JabRef/jabref/issues/168","id":161024640,"user":{"login":"koppor","id":1366654,"avatar_url":"https://avatars.githubusercontent.com/u/1366654?v=3","gravatar_id":"","url":"https://api.github.com/users/koppor","html_url":"https://github.com/koppor","followers_url":"https://api.github.com/users/koppor/followers","following_url":"https://api.github.com/users/koppor/following{/other_user}","gists_url":"https://api.github.com/users/koppor/gists{/gist_id}","starred_url":"https://api.github.com/users/koppor/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/koppor/subscriptions","organizations_url":"https://api.github.com/users/koppor/orgs","repos_url":"https://api.github.com/users/koppor/repos","events_url":"https://api.github.com/users/koppor/events{/privacy}","received_events_url":"https://api.github.com/users/koppor/received_events","type":"User","site_admin":false},"created_at":"2015-12-01T16:37:17Z","updated_at":"2015-12-01T16:37:17Z","body":"JabRef 3.0 requires Java 8. Please update your Java to version 8 and try again. Think, following link is good: http://tecadmin.net/install-oracle-java-8-jdk-8-ubuntu-via-ppa/#"}}