Unable to release with distributed builds enabled

1. NPE in rewrite-pom-phase
2. Exception while doing a release perform even though it was successful.
3. ClassCastException in getListener()

2010-11-11 19:21:56,617 [btpool0-5] ERROR org.apache.xmlrpc.server.XmlRpcStreamServer - execute: Error while performing request
org.apache.xmlrpc.XmlRpcException: Failed to invoke method getListener in class org.apache.maven.continuum.xmlrpc.server.ContinuumServiceImpl: [Ljava.lang.Object; cannot be cast to java.util.List
at org.apache.maven.continuum.xmlrpc.server.ContinuumXmlRpcMetaDataHandler.invoke(ContinuumXmlRpcMetaDataHandler.java:163)
at org.apache.maven.continuum.xmlrpc.server.ContinuumXmlRpcMetaDataHandler.execute(ContinuumXmlRpcMetaDataHandler.java:132)
at org.apache.xmlrpc.server.XmlRpcServerWorker.execute(XmlRpcServerWorker.java:43)
at org.apache.xmlrpc.server.XmlRpcServer.execute(XmlRpcServer.java:83)
at org.apache.xmlrpc.server.XmlRpcStreamServer.execute(XmlRpcStreamServer.java:191)
at org.apache.xmlrpc.webserver.XmlRpcServletServer.execute(XmlRpcServletServer.java:104)
at org.apache.maven.continuum.xmlrpc.server.ContinuumXmlRpcServlet.doPost(ContinuumXmlRpcServlet.java:190)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter.doFilter(StrutsExecuteFilter.java:73)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129)
at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter.doFilter(StrutsPrepareFilter.java:65)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:879)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:451)
Caused by: java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to java.util.List
at org.apache.maven.continuum.xmlrpc.server.ContinuumServiceImpl.processListenerMap(ContinuumServiceImpl.java:3028)
at org.apache.maven.continuum.xmlrpc.server.ContinuumServiceImpl.getListener(ContinuumServiceImpl.java:2854)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.maven.continuum.xmlrpc.server.ContinuumXmlRpcMetaDataHandler.invoke(ContinuumXmlRpcMetaDataHandler.java:144)
... 36 more