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:302)
   at com.github.mcheung63.netbeans.minimap.MinimapPanel.generateImage(MinimapPanel.java:229)
   at com.github.mcheung63.netbeans.minimap.MinimapPanel$3.caretUpdate(MinimapPanel.java:142)
   at javax.swing.text.JTextComponent.fireCaretUpdate(JTextComponent.java:397)
   at javax.swing.text.JTextComponent$MutableCaretEvent.fire(JTextComponent.java:4394)
   at javax.swing.text.JTextComponent$MutableCaretEvent.stateChanged(JTextComponent.java:4416)
   at org.netbeans.api.editor.caret.EditorCaret$6.run(EditorCaret.java:1724)
   at org.netbeans.modules.editor.lib2.view.ViewUtils.runInEDT(ViewUtils.java:436)
   at org.netbeans.api.editor.caret.EditorCaret.fireStateChanged(EditorCaret.java:1733)
   at org.netbeans.api.editor.caret.EditorCaret.runTransaction(EditorCaret.java:1655)
   at org.netbeans.api.editor.caret.EditorCaret.setDot(EditorCaret.java:603)
   at org.netbeans.api.editor.caret.EditorCaret.setDot(EditorCaret.java:572)
   at org.openide.text.CloneableEditorSupport$1Selector.run(CloneableEditorSupport.java:2014)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1421)
   at org.openide.text.CloneableEditorSupport$1Selector.run(CloneableEditorSupport.java:1987)
   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)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)