il mio programma apre un database access e,poichè devo effettuare il backup, esegue la query SELECT * FROM tabella. Il problema è che mi da questo errore:

codice:
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
        at java.nio.HeapCharBuffer.<init>(HeapCharBuffer.java:39)
        at java.nio.CharBuffer.allocate(CharBuffer.java:312)
        at java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:760)
        at sun.jdbc.odbc.JdbcOdbcObject.BytesToChars(JdbcOdbcObject.java:232)
        at sun.jdbc.odbc.JdbcOdbc.SQLGetDataString(JdbcOdbc.java:3971)
        at sun.jdbc.odbc.JdbcOdbcResultSet.getDataString(JdbcOdbcResultSet.java:5698)
        at sun.jdbc.odbc.JdbcOdbcResultSet.getString(JdbcOdbcResultSet.java:354)
        at sync.ODBCDatabase.eseguiQuery(ODBCDatabase.java:82)
        at sync.codice.iniz(codice.java:239)
        at sync.codice.actionPerformed(codice.java:182)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1220)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1261)
        at java.awt.Component.processMouseEvent(Component.java:6041)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
        at java.awt.Component.processEvent(Component.java:5806)
        at java.awt.Container.processEvent(Container.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:4413)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
        at java.awt.Container.dispatchEventImpl(Container.java:2102)
        at java.awt.Window.dispatchEventImpl(Window.java:2440)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
come posso risolvere?