NPE when opening central ------------------------- Key: JBIDE-19322 URL: https://issues.jboss.org/browse/JBIDE-19322 Project: Tools (JBoss Tools) Issue Type: Bug Components: central, project-examples Affects Versions: 4.3.0.Alpha1 Reporter: Rastislav Wagner Assignee: Fred Bricon Fix For: 4.3.0.Alpha2 Attachments: Preferences _002.png I opened central via JBoss Central toolbar item and this NPE occured - An internal error occurred during: "Refreshing JBoss Tutorials...". Not always, but every second time. {code} java.lang.NullPointerException at java.util.AbstractCollection.addAll(AbstractCollection.java:343) at org.jboss.tools.project.examples.model.ProjectExampleUtil.getUserSites(ProjectExampleUtil.java:210) at org.jboss.tools.project.examples.model.ProjectExampleUtil.getSites(ProjectExampleUtil.java:221) at org.jboss.tools.project.examples.model.ProjectExampleUtil.getProjects(ProjectExampleUtil.java:257) at org.jboss.tools.central.jobs.RefreshTutorialsJob.run(RefreshTutorialsJob.java:52) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) {code}