Fatal error upgrading from 3.2 to 3.2.1

Following the recommended upgrade script (dump, new DB, start server, import), I get the following exception trying to start JIRA:

[http-8080-Processor25] 2005-06-15 17:23:26,485 ERROR [com.atlassian.jira.ComponentManager] Error occurred while starting component.
com.atlassian.jira.InfrastructureException: Could not load properties from perforce-jira-plugin.properties
at com.atlassian.jira.plugin.ext.perforce.PerforceManagerImpl.setupEnvironment(PerforceManagerImpl.java:201)
at com.atlassian.jira.plugin.ext.perforce.PerforceManagerImpl.start(PerforceManagerImpl.java:70)
at com.atlassian.jira.ComponentManager.quickStart(ComponentManager.java:276)
at com.atlassian.jira.ComponentManager.start(ComponentManager.java:209)
at com.atlassian.jira.upgrade.ConsistencyLauncher.contextInitialized(ConsistencyLauncher.java:25)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3831)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4323)
at org.apache.catalina.core.StandardHostDeployer.start(StandardHostDeployer.java:830)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:991)
at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1326)
at org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:530)
at org.apache.catalina.manager.HTMLManagerServlet.doGet(HTMLManagerServlet.java:104)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Caused by: com.atlassian.jira.InfrastructureException: Could not load properties from perforce-jira-plugin.properties
at com.atlassian.jira.plugin.ext.perforce.changelists.ChangesIndexer.<init>(ChangesIndexer.java:75)
at com.atlassian.jira.plugin.ext.perforce.PerforceManagerImpl.setupEnvironment(PerforceManagerImpl.java:141)
... 39 more
Caused by: java.lang.NullPointerException
at org.apache.lucene.store.FSDirectory.create(FSDirectory.java:149)
at org.apache.lucene.store.FSDirectory.<init>(FSDirectory.java:128)
at org.apache.lucene.store.FSDirectory.getDirectory(FSDirectory.java:102)
at org.apache.lucene.store.FSDirectory.getDirectory(FSDirectory.java:83)
at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:173)
at com.atlassian.jira.util.LuceneUtils.getIndexWriter(LuceneUtils.java:46)
at com.atlassian.jira.plugin.ext.perforce.changelists.ChangesIndexer.createIndex(ChangesIndexer.java:81)
at com.atlassian.jira.plugin.ext.perforce.changelists.ChangesIndexer.<init>(ChangesIndexer.java:67)
... 40 more