JBoss admin-console will fail to load when unexploded EAR containing EJB module is deployed

ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/admin-console]] (http-0.0.0.0-8080-1) Exception sending request initialized lifecycle event to listener instance of class org.jboss.on.embedded.LazyStartupListener
java.lang.RuntimeException: Error handling file /opt/jboss/jboss-eap-5.1/jboss-as/server/production/deploy/my-app-ejb.ear/my-app-ejb.jar
     at org.jboss.seam.deployment.URLScanner.handleArchiveByFile(URLScanner.java:134)
     at org.jboss.seam.deployment.URLScanner.handle(URLScanner.java:107)
     at org.jboss.seam.deployment.URLScanner.scanResources(URLScanner.java:90)
     at org.jboss.seam.deployment.StandardDeploymentStrategy.scan(StandardDeploymentStrategy.java:119)
     at org.jboss.seam.init.Initialization.create(Initialization.java:130)
     at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:36)
     at org.jboss.on.embedded.LazyStartupListener.initialize(LazyStartupListener.java:182)
     at org.jboss.on.embedded.LazyStartupListener.requestInitialized(LazyStartupListener.java:240)
     ...
Caused by: java.util.zip.ZipException: error in opening zip file
     at java.util.zip.ZipFile.open(Native Method)
     at java.util.zip.ZipFile.<init>(ZipFile.java:131)
     at java.util.zip.ZipFile.<init>(ZipFile.java:148)
     at org.jboss.seam.deployment.URLScanner.handleArchiveByFile(URLScanner.java:123)
     ... 21 more

ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/admin-console].[Faces Servlet]] (http-0.0.0.0-8080-1) Servlet.service() for servlet Faces Servlet threw exception
java.lang.NullPointerException
     at org.jboss.seam.servlet.SeamFilter.getSortedFilters(SeamFilter.java:112)
     at org.jboss.seam.servlet.SeamFilter.init(SeamFilter.java:93)
     at org.jboss.on.embedded.LazyStartupFilter.init(LazyStartupFilter.java:104)
     at org.jboss.on.embedded.LazyStartupFilter.doFilter(LazyStartupFilter.java:85)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)
     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)
     at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
     at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
     at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:599)
     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:451)
     at java.lang.Thread.run(Thread.java:636)