Problem update Service desk plus version 9.049 to 9.1.0

Hi want to update the server with the versión 9.1.0 , but i recevieved this error :

14-nov-2015 22:56:31 [SYSERR] [INFO] : java.lang.OutOfMemoryError: Java heap space
14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.awt.image.DataBufferInt.<init>(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.awt.image.Raster.createPackedRaster(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.awt.image.DirectColorModel.createCompatibleWritableRaster(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at sun.awt.image.SunVolatileImage.getBackupImage(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at sun.awt.image.VolatileSurfaceManager.getBackupSurface(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at sun.awt.image.VolatileSurfaceManager.initialize(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at sun.awt.image.SunVolatileImage.<init>(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.awt.GraphicsConfiguration.createCompatibleVolatileImage(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at javax.swing.RepaintManager.getVolatileOffscreenBuffer(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at javax.swing.RepaintManager.paint(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at javax.swing.JComponent.paint(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.awt.GraphicsCallback$PaintCallback.run(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at sun.awt.SunGraphicsCallback.runOneComponent(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at sun.awt.SunGraphicsCallback.runComponents(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.awt.Container.paint(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.awt.Window.paint(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at javax.swing.RepaintManager$3.run(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.security.AccessController.doPrivileged(Native Method)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:31 [SYSERR] [INFO] : at javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
14-nov-2015 22:56:31 [SYSERR] [INFO] :

14-nov-2015 22:56:36 [SYSERR] [INFO] : at javax.swing.RepaintManager.access$1000(Unknown Source)
14-nov-2015 22:56:36 [SYSERR] [INFO] :

14-nov-2015 22:56:36 [SYSERR] [INFO] : at javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
14-nov-2015 22:56:36 [SYSERR] [INFO] :

14-nov-2015 22:56:36 [SYSERR] [INFO] : at java.awt.event.InvocationEvent.dispatch(Unknown Source)
14-nov-2015 22:56:36 [SYSERR] [INFO] :

14-nov-2015 22:56:36 [SYSERR] [INFO] : at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
14-nov-2015 22:56:36 [SYSERR] [INFO] :

14-nov-2015 22:56:36 [SYSERR] [INFO] : at java.awt.EventQueue.access$400(Unknown Source)
14-nov-2015 22:56:36 [SYSERR] [INFO] :

14-nov-2015 22:56:36 [SYSERR] [INFO] : at java.awt.EventQueue$2.run(Unknown Source)
14-nov-2015 22:56:36 [SYSERR] [INFO] :

14-nov-2015 22:57:28 [SYSOUT] [INFO] :

14-nov-2015 22:57:28 [SYSOUT] [INFO] : stopping DB Server >>>>> false
14-nov-2015 22:57:28 [SYSOUT] [INFO] :

which can be the causes of the problem.

thanks a lot regards.