java.lang.OutOfMemoryError: Java heap space
        at com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl.createChunk(DeferredDocumentImpl.java:1921)
        at com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl.ensureCapacity(DeferredDocumentImpl.java:1826)
        at com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl.createNode(DeferredDocumentImpl.java:1840)
        at com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl.createDeferredTextNode(DeferredDocumentImpl.java:534)
        at com.sun.org.apache.xerces.internal.parsers.AbstractDOMParser.characters(AbstractDOMParser.java:1189)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:463)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
        at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:225)
        at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:283)
        at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:124)
        at org.netbeans.modules.db.sql.history.SQLHistoryPersistenceManager$AtomicFileAction.run(SQLHistoryPersistenceManager.java:246)
        at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:120)
        at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:502)
        at org.netbeans.modules.db.sql.history.SQLHistoryPersistenceManager.create(SQLHistoryPersistenceManager.java:128)
        at org.netbeans.modules.db.sql.history.SQLHistoryManager.save(SQLHistoryManager.java:113)
        at org.netbeans.modules.db.sql.execute.SQLExecuteHelper.execute(SQLExecuteHelper.java:129)
        at org.netbeans.modules.db.sql.loader.SQLEditorSupport$SQLExecutor.run(SQLEditorSupport.java:480)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)