Hello Team,

We are using Dspace 7.2 version, we have configured thumbnail generation 
*ImageMagick 
Image Thumbnail *cron script, It was working earlier but recently 
thumbnails are not generated facing this below issue. Kindly help to 
resolve the issue.

The script has started
java.lang.NullPointerException
        at 
org.dspace.core.AbstractHibernateDAO.getHibernateSession(AbstractHibernateDAO.java:59)
        at 
org.dspace.core.AbstractHibernateDAO.createQuery(AbstractHibernateDAO.java:137)
        at 
org.dspace.content.dao.impl.ItemDAOImpl.findAll(ItemDAOImpl.java:58)
        at 
org.dspace.content.ItemServiceImpl.findAll(ItemServiceImpl.java:281)
        at 
org.dspace.app.mediafilter.MediaFilterServiceImpl.applyFiltersAllItems(MediaFilterServiceImpl.java:125)
        at 
org.dspace.app.mediafilter.MediaFilterScript.internalRun(MediaFilterScript.java:228)
        at org.dspace.scripts.DSpaceRunnable.run(DSpaceRunnable.java:150)
        at 
org.dspace.app.launcher.ScriptLauncher.executeScript(ScriptLauncher.java:154)
        at 
org.dspace.app.launcher.ScriptLauncher.handleScript(ScriptLauncher.java:132)
        at 
org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:99)

Regards,
Raja

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