Hello all, I'm trying out SelectionLab in this link <http://docs.geotools.org/latest/userguide/tutorial/map/style.html>. Source file here <https://github.com/geotools/geotools/blob/master/docs/src/main/java/org/geotools/tutorial/style/SelectionLab.java> .
But I get a null pointer exception at line 216 (selectedFeatures. features();) The shapefile I'm using is this <http://www.naturalearthdata.com/downloads/10m-cultural-vectors/airports/>. Am I doing anything wrong? Following is the stack trace. Mouse click at: DirectPosition2D[-22.846079635654064, 63.50141573209309] java.lang.NullPointerException at org.geotools.data.shapefile.ShapefileFeatureSource.getReaderInternal(ShapefileFeatureSource.java:336) at org.geotools.data.shapefile.ShapefileFeatureStore.getReaderInternal(ShapefileFeatureStore.java:126) at org.geotools.data.store.ContentFeatureSource.getReader(ContentFeatureSource.java:634) at org.geotools.data.store.ContentFeatureCollection.features(ContentFeatureCollection.java:173) at org.geotools.gui2.testMain.selectFeatures(testMain.java:222) at org.geotools.gui2.testMain$1$1.onMouseClicked(testMain.java:166) at org.geotools.swing.event.DefaultMapMouseEventDispatcher.mouseClicked(DefaultMapMouseEventDispatcher.java:99) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:270) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:269) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:269) at java.awt.Component.processMouseEvent(Component.java:6528) at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) at java.awt.Component.processEvent(Component.java:6290) at java.awt.Container.processEvent(Container.java:2234) at java.awt.Component.dispatchEventImpl(Component.java:4881) at java.awt.Container.dispatchEventImpl(Container.java:2292) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4542) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462) at java.awt.Container.dispatchEventImpl(Container.java:2278) at java.awt.Window.dispatchEventImpl(Window.java:2750) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) -- regards, *Thilina Yapa Bandara*
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