java.lang.OutOfMemoryError: Java heap space
   at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.<init>(UTF8Reader.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.createReader(XMLEntityManager.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(XMLEntityManager.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(XMLDTDScannerImpl.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(XMLDocumentScannerImpl.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:0)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:0)
   at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:0)
   at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:0)
   at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:0)
   at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:0)
   at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:0)
   at org.openide.filesystems.DefaultAttributes$InnerParser.parseXML(DefaultAttributes.java:1349)
   at org.openide.filesystems.DefaultAttributes$Table.readFromXML(DefaultAttributes.java:1092)
   at org.openide.filesystems.DefaultAttributes.loadTable(DefaultAttributes.java:717)
   at org.openide.filesystems.DefaultAttributes.load(DefaultAttributes.java:673)
   at org.openide.filesystems.DefaultAttributes.loadTable(DefaultAttributes.java:651)
   at org.openide.filesystems.DefaultAttributes.readAttribute(DefaultAttributes.java:373)
   at org.openide.filesystems.LocalFileSystem$InnerAttrs.readAttribute(LocalFileSystem.java:737)
   at org.netbeans.core.startup.layers.LocalFileSystemEx$DelegatingAttributes.readAttribute(LocalFileSystemEx.java:205)
   at org.openide.filesystems.XMLMapAttr.readAttribute(XMLMapAttr.java:174)
   at org.openide.filesystems.AbstractFileObject.getAttribute(AbstractFileObject.java:329)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:942)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:877)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:940)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:877)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:798)
   at org.openide.filesystems.MultiFileObject.setAttribute(MultiFileObject.java:977)