NPE in ofbiz when starting JIRA

JIRA 1.4b6 crashes like this during startup and then later on each HTTP request with similar start of stack trace. This might be a config error on my part, but all the error entries in the log are similar to this snippet:

2002-09-04 14:48:35,611 DEBUG [webwork.config.XMLActionConfiguration] Adding view mapping Administrators.success=/views/administrators.jsp
2002-09-04 14:48:44,421 INFO [org.ofbiz.core.entity.model.ModelReader] FINISHED LOADING ENTITIES - ALL FILES; #Entities=28 #ViewEntities=0 #Fields=133 #Relationships=23
2002-09-04 14:48:45,346 ERROR [webwork.config.Configuration] Could not instantiate configuration
java.lang.NullPointerException
at org.ofbiz.core.entity.model.ModelFieldTypeReader.getModelFieldTypeReader(ModelFieldTypeReader.java:77)
at org.ofbiz.core.entity.GenericDelegator.<init>(GenericDelegator.java:127)
at org.ofbiz.core.entity.GenericDelegator.getGenericDelegator(GenericDelegator.java:81)
at com.atlassian.jira.config.properties.PropertiesManager.<init>(PropertiesManager.java:32)
at com.atlassian.jira.config.properties.PropertiesManager.getInstance(PropertiesManager.java:44)
at com.atlassian.jira.config.properties.ApplicationProperties.<init>(ApplicationProperties.java:26)
at com.atlassian.jira.config.ApplicationPropertiesConfiguration.<init>(ApplicationPropertiesConfiguration.java:23)
at com.atlassian.jira.config.JiraConfiguration.<init>(JiraConfiguration.java:29)
at com.atlassian.jira.web.security.config.SecurityConfig.<init>(SecurityConfig.java:49)
at com.atlassian.jira.web.security.config.SecurityConfig.getInstance(SecurityConfig.java:236)
at com.atlassian.jira.web.security.SecurityFilter.init(SecurityFilter.java:56)
at org.mortbay.jetty.servlet.FilterHolder.start(FilterHolder.java:87)
at org.mortbay.jetty.servlet.FilterHandler.start(FilterHandler.java:170)
at org.mortbay.http.HttpContext.startHandlers(HttpContext.java:1484)
at org.jboss.jetty.JBossWebApplicationContext.startHandlers(JBossWebApplicationContext.java:259)
at org.mortbay.http.HttpContext.start(HttpContext.java:1455)
at org.mortbay.jetty.servlet.WebApplicationContext.start(WebApplicationContext.java:408)
at org.jboss.jetty.Jetty.deploy(Jetty.java:405)
at org.jboss.jetty.JettyService.performDeploy(JettyService.java:244)
at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:300)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:678)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:671)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:513)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:481)
at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.util.jmx.MBeanProxy.invoke(MBeanProxy.java:174)
at $Proxy4.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:405)
at org.jboss.deployment.scanner.URLDeploymentScanner.scanDirectory(URLDeploymentScanner.java:586)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:465)
at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:237)
at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:162)
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:894)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:340)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.util.jmx.MBeanProxy.invoke(MBeanProxy.java:174)
at $Proxy3.start(Unknown Source)
at org.jboss.deployment.SARDeployer.start(SARDeployer.java:243)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:678)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:513)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:481)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:465)
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:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:314)
at org.jboss.system.server.ServerImpl.start(ServerImpl.java:216)
at org.jboss.Main.boot(Main.java:142)
at org.jboss.Main$1.run(Main.java:375)
at java.lang.Thread.run(Thread.java:536)