Autocommit not disabled in HarvestDefinitionDBDAO#updateNextDate

org.postgresql.util.PSQLException: Cannot commit when autoCommit is enabled.
		 at org.postgresql.jdbc2.AbstractJdbc2Connection.commit(AbstractJdbc2Connection.java:813)
		 at com.mchange.v2.c3p0.impl.NewProxyConnection.commit(NewProxyConnection.java:803) at dk.netarkivet.harvester.datamodel.HarvestDefinitionDBDAO.updateNextdate(HarvestDefinitionDBDAO.java:1525)
		 at dk.netarkivet.harvester.webinterface.SelectiveHarvestUtil.processRequest(SelectiveHarvestUtil.java:100)
		 at org.apache.jsp.Definitions_002dedit_002dselective_002dharvest_jsp._jspService(org.apache.jsp.Definitions_002dedit_002dselective_002dharvest_jsp:121)
		 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
		 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
		 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:389)
		 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
		 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
		 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
		 at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
		 at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
		 at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
		 at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
		 at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
		 at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
		 at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
		 at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
		 at org.mortbay.jetty.Server.handle(Server.java:322)
		 at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
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