java.lang.NullPointerException

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    • java.lang.NullPointerException at com.sun.jna.Structure.useMemory(Structure.java:257) at com.sun.jna.Structure.useMemory(Structure.java:238) at org.gstreamer.lowlevel.GstAPI$GErrorStruct.<init>(GstAPI.java:74) at org.gstreamer.Pipeline.launch(Pipeline.java:129) at webcamstudio.sources.VideoSourcePipeline.startSource(VideoSourcePipeline.java:137) at webcamstudio.layout.transitions.Start.doTransition(Start.java:28) at webcamstudio.layout.LayoutItem.run(LayoutItem.java:199) at webcamstudio.layout.Layout.addSource(Layout.java:286) at webcamstudio.components.LayoutManager2.addSource(LayoutManager2.java:231) at webcamstudio.Main.addSourceToDesktop(Main.java:719) at webcamstudio.Main.addSource(Main.java:2052) at webcamstudio.components.MediaPanelList$1.actionPerformed(MediaPanelList.java:52) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2335) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289) at java.awt.Component.processMouseEvent(Component.java:6268) at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) at java.awt.Component.processEvent(Component.java:6033) at java.awt.Container.processEvent(Container.java:2045) at java.awt.Component.dispatchEventImpl(Component.java:4629) at java.awt.Container.dispatchEventImpl(Container.java:2103) at java.awt.Component.dispatchEvent(Component.java:4455) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4633) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4297) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4227) at java.awt.Container.dispatchEventImpl(Container.java:2089) at java.awt.Window.dispatchEventImpl(Window.java:2517) at java.awt.Component.dispatchEvent(Component.java:4455) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:649) at java.awt.EventQueue.access$000(EventQueue.java:96) at java.awt.EventQueue$1.run(EventQueue.java:608) at java.awt.EventQueue$1.run(EventQueue.java:606) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:116) at java.awt.EventQueue$2.run(EventQueue.java:622) at java.awt.EventQueue$2.run(EventQueue.java:620) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105) at java.awt.EventQueue.dispatchEvent(EventQueue.java:619) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177) at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)
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