Exceptions in performance test logs

2009-10-13 11:25:32,719 Sending mailitem com.atlassian.jira.mail.SubscriptionMailQueueItem subject: 'Subscription: Issues created in last Day' owner: 'nick.menere' WARN nick.menere   Mail Queue Service [velocity] org.apache.velocity.runtime.exception.ReferenceException: reference : template = getEncodedBodyFromContent [line 3,column 30] : $webResourceManager.getStaticPluginResource('jira.webresources:global-static', 'global-static.css', $urlModeAbsolute) is not a valid reference.
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:277)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:230)
	at org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:316)
	at org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:210)
	at com.atlassian.velocity.DefaultVelocityManager.getEncodedBodyForContent(DefaultVelocityManager.java:143)
	at com.atlassian.jira.mail.MailingListCompiler$1.processRecipient(MailingListCompiler.java:285)
	at com.atlassian.jira.mail.NotificationRecipientProcessor.process(NotificationRecipientProcessor.java:41)
	at com.atlassian.jira.mail.MailingListCompiler.addMailsToQueue(MailingListCompiler.java:307)
	at com.atlassian.jira.mail.MailingListCompiler.access$500(MailingListCompiler.java:35)
	at com.atlassian.jira.mail.MailingListCompiler$NotificationCompiler.addEmailsToQueue(MailingListCompiler.java:472)
	at com.atlassian.jira.mail.MailingListCompiler$NotificationCompiler.sendLists(MailingListCompiler.java:440)
	at com.atlassian.jira.mail.MailingListCompiler$NotificationCompiler.sendNoLevelsIgnoreGroup(MailingListCompiler.java:420)
	at com.atlassian.jira.mail.MailingListCompiler$NotificationCompiler.sendToAll(MailingListCompiler.java:415)
	at com.atlassian.jira.mail.MailingListCompiler.sendLists(MailingListCompiler.java:144)
	at com.atlassian.jira.mail.SubscriptionMailQueueItem.sendSearchRequestEmail(SubscriptionMailQueueItem.java:174)
	at com.atlassian.jira.mail.SubscriptionMailQueueItem.send(SubscriptionMailQueueItem.java:123)
	at com.atlassian.mail.queue.MailQueueImpl.sendBuffer(MailQueueImpl.java:68)
	at com.atlassian.jira.service.services.mail.MailQueueService.run(MailQueueService.java:23)
	at com.atlassian.jira.service.JiraServiceContainerImpl.run(JiraServiceContainerImpl.java:61)
	at com.atlassian.jira.service.ServiceRunner.execute(ServiceRunner.java:48)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:191)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:516)