SWORD deposits fail when ingest events are fired if Discovery event consumer is configured

If "discovery" is configured in the dspace.cfg property "event.dispatcher.default.consumers" and a SWORD deposit is made, dspace-services seems to have trouble starting DSpaceKernelManager / the kernel itself properly.

Eg.

(start SWORD deposit...)

2010-12-16 09:58:06,104 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.104] Workflow process started;
2010-12-16 09:58:06,105 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.105] Updated date added to response from item metadata where available;
2010-12-16 09:58:06,105 INFO org.dspace.content.Item @ kim.shepherd@gmail.com:session_id=0:ip_addr=127.0.0.1:update_item:item_id=86729
2010-12-16 09:58:06,110 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.110] Ingest successful;
2010-12-16 09:58:06,110 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.110] Item created with internal identifier: 86729;
2010-12-16 09:58:06,110 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.110] No external identifier available at this stage (item in workflow);
2010-12-16 09:58:06,110 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.110] Archive ingest completed successfully;
2010-12-16 09:58:06,110 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.110] Initialising ATOM entry generator for an Item;
2010-12-16 09:58:06,116 INFO org.dspace.sword.SWORDService @ [2010-12-16 09:58:06.116] Total time for deposit processing: 478 ms;

(...looks good so far, but...)

2010-12-16 09:58:06,118 ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/sword].[deposit] @ Servlet.service() for servlet deposit threw exception
java.lang.NoClassDefFoundError: Could not initialize class org.dspace.kernel.DSpaceKernelManager
at org.dspace.utils.DSpace.<init>(DSpace.java:57)
at org.dspace.utils.DSpace.<init>(DSpace.java:46)
at org.dspace.discovery.IndexEventConsumer.<init>(IndexEventConsumer.java:41)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at org.dspace.event.ConsumerProfile.readConfiguration(ConsumerProfile.java:87)
at org.dspace.event.ConsumerProfile.makeConsumerProfile(ConsumerProfile.java:62)
at org.dspace.event.EventManager$DispatcherPoolFactory.makeObject(EventManager.java:227)
at org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:964)
at org.apache.commons.pool.PoolUtils$SynchronizedKeyedObjectPool.borrowObject(PoolUtils.java:1159)
at org.dspace.event.EventManager.getDispatcher(EventManager.java:111)
at org.dspace.core.Context.commit(Context.java:333)
at org.dspace.sword.SWORDContext.commit(SWORDContext.java:178)
at org.dspace.sword.DSpaceSWORDServer.doDeposit(DSpaceSWORDServer.java:123)
at org.purl.sword.server.DepositServlet.doPost(DepositServlet.java:299)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:619)