|Re: [birt-dev] upgrade from birt 2.3 to 4.4 occurred issues|
It is better to asked these types of questions on the BIRT forum: http://www.eclipse.org/forums/index.php?t=thread&frm_id=2
From: birt-dev-bounces@xxxxxxxxxxx [mailto:birt-dev-bounces@xxxxxxxxxxx]
On Behalf Of Fanxue Bu
application server :Jboss 4.2.3
current birt 2.2(runninig fine)
now i want to upgrade to birt 4.4, other environment not changes.
below is error:
10:19:42,838 ERROR Marking servlet ViewerServlet as unavailable
10:19:42,838 ERROR [[ViewerServlet]] Allocate exception for servlet ViewerServlet
org.apache.commons.discovery.DiscoveryException: Class org.apache.commons.logging.impl.SLF4JLogFactory does not implement org.apache.commons.logging.LogFactory
how to fix this ? maybe I need your guys help. Thank a lot.