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.generateImage(MinimapPanel.java:233)
   at com.github.mcheung63.netbeans.minimap.MinimapPanel$1.stateChanged(MinimapPanel.java:113)
   at javax.swing.JViewport.fireStateChanged(JViewport.java:1369)
   at javax.swing.JViewport.reshape(JViewport.java:839)
   at java.awt.Component.setBounds(Component.java:2261)
   at java.awt.Component.setBounds(Component.java:2405)
   at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:890)
   at java.awt.Container.layout(Container.java:1510)
   at java.awt.Container.doLayout(Container.java:1499)
   at java.awt.Container.validateTree(Container.java:1695)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validateTree(Container.java:1704)
   at java.awt.Container.validate(Container.java:1630)
   at org.netbeans.core.windows.view.ui.DesktopImpl$LayeredLayout.layoutContainer(DesktopImpl.java:554)
   at java.awt.Container.layout(Container.java:1510)
   at java.awt.Container.doLayout(Container.java:1499)
   at java.awt.Container.validateTree(Container.java:1695)