To replicate: Open Protege > Lucene Query tab (no ontology loaded) > Press Search
Uncaught Exception in thread 'AWT-EventQueue-0'
java.lang.NullPointerException: null
at org.apache.lucene.index.DirectoryReader.indexExists(DirectoryReader.java:289) ~[na:na]
at org.protege.editor.search.nci.SearchTabManager.performSearch(SearchTabManager.java:280) ~[na:na]
at org.protege.editor.search.ui.QueryEditorPanel.lambda$new$2(QueryEditorPanel.java:144) ~[na:na]
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) ~[na:1.8.0_74]
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348) ~[na:1.8.0_74]
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) ~[na:1.8.0_74]
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) ~[na:1.8.0_74]
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) ~[na:1.8.0_74]
at java.awt.Component.processMouseEvent(Component.java:6535) ~[na:1.8.0_74]
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) ~[na:1.8.0_74]
at java.awt.Component.processEvent(Component.java:6300) ~[na:1.8.0_74]
at java.awt.Container.processEvent(Container.java:2236) ~[na:1.8.0_74]
at java.awt.Component.dispatchEventImpl(Component.java:4891) ~[na:1.8.0_74]
at java.awt.Container.dispatchEventImpl(Container.java:2294) ~[na:1.8.0_74]
at java.awt.Component.dispatchEvent(Component.java:4713) ~[na:1.8.0_74]
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888) ~[na:1.8.0_74]
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525) ~[na:1.8.0_74]
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466) ~[na:1.8.0_74]
at java.awt.Container.dispatchEventImpl(Container.java:2280) ~[na:1.8.0_74]
at java.awt.Window.dispatchEventImpl(Window.java:2750) ~[na:1.8.0_74]
at java.awt.Component.dispatchEvent(Component.java:4713) ~[na:1.8.0_74]
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) ~[na:1.8.0_74]
at java.awt.EventQueue.access$500(EventQueue.java:97) ~[na:1.8.0_74]
at java.awt.EventQueue$3.run(EventQueue.java:709) ~[na:1.8.0_74]
at java.awt.EventQueue$3.run(EventQueue.java:703) ~[na:1.8.0_74]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_74]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) ~[na:1.8.0_74]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) ~[na:1.8.0_74]
at java.awt.EventQueue$4.run(EventQueue.java:731) ~[na:1.8.0_74]
at java.awt.EventQueue$4.run(EventQueue.java:729) ~[na:1.8.0_74]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_74]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) ~[na:1.8.0_74]
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) ~[na:1.8.0_74]
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) [na:1.8.0_74]
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) [na:1.8.0_74]
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) [na:1.8.0_74]
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) [na:1.8.0_74]
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) [na:1.8.0_74]
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) [na:1.8.0_74]
LOGBACK: No context given for org.protege.editor.core.log.LogManager$1[null]