java.lang.OutOfMemoryError: Java heap space
   at java.util.concurrent.ConcurrentHashMap.putVal(ConcurrentHashMap.java:1019)
   at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1006)
   at sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:142)
   at sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:676)
   at sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:528)
   at sun.font.GlyphLayout.layout(GlyphLayout.java:433)
   at sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:329)
   at sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:315)
   at sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:225)
   at sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:134)
   at java.awt.font.TextLine.init(TextLine.java:281)
   at java.awt.font.TextLine.<init>(TextLine.java:129)
   at java.awt.font.TextLine.fastCreateTextLine(TextLine.java:983)
   at java.awt.font.TextLayout.fastInit(TextLayout.java:612)
   at java.awt.font.TextLayout.<init>(TextLayout.java:393)
   at org.netbeans.modules.editor.lib2.view.DocumentViewOp.createTextLayout(DocumentViewOp.java:1362)
   at org.netbeans.modules.editor.lib2.view.ParagraphViewChildren.replace(ParagraphViewChildren.java:209)
   at org.netbeans.modules.editor.lib2.view.ParagraphView.replace(ParagraphView.java:253)
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.replaceRepaintViews(ViewBuilder.java:1192)
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.createReplaceRepaintViews(ViewBuilder.java:688)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.updateViewsByModification(ViewUpdates.java:316)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.insertUpdate(ViewUpdates.java:252)
   at sun.reflect.GeneratedMethodAccessor47.invoke(GeneratedMethodAccessor47.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:497)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:461)
   at com.sun.proxy.$Proxy18.insertUpdate(.java:0)
   at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.insertUpdate(PriorityDocumentListenerList.java:85)
   at javax.swing.text.AbstractDocument.fireInsertUpdate(AbstractDocument.java:201)
   at org.netbeans.editor.BaseDocument.fireInsertUpdate(BaseDocument.java:1624)
   at org.netbeans.editor.BaseDocument.handleInsertString(BaseDocument.java:829)
   at org.netbeans.editor.BaseDocument.insertString(BaseDocument.java:757)