java.lang.OutOfMemoryError: Java heap space
   at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75)
   at java.awt.image.Raster.createPackedRaster(Raster.java:467)
   at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032)
   at java.awt.image.BufferedImage.<init>(BufferedImage.java:333)
   at com.github.mcheung63.netbeans.minimap.MinimapPanel.generateCodeMap(MinimapPanel.java:279)
   at com.github.mcheung63.netbeans.minimap.MinimapPanel.generateImage(MinimapPanel.java:206)
   at com.github.mcheung63.netbeans.minimap.MinimapPanel$1.stateChanged(MinimapPanel.java:116)
   at javax.swing.JViewport.fireStateChanged(JViewport.java:1369)
   at javax.swing.JViewport.reshape(JViewport.java:839)
   at java.awt.Component.setBounds(Component.java:2261)
   at java.awt.Component.setBounds(Component.java:2405)
   at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:890)
   at java.awt.Container.layout(Container.java:1510)
   at java.awt.Container.doLayout(Container.java:1499)
   at java.awt.Container.validateTree(Container.java:1695)
   at java.awt.Container.validate(Container.java:1630)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:711)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:709)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
   at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:708)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1731)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)