500 error when accessing most pages in JIRA 7.0 after upgrade

2015-10-07 21:12:06,293 http-nio-8080-exec-10 ERROR admin 1272x26064x1 1pigghd 192.168.1.100 /secure/Dashboard.jspa [o.a.c.c.C.[.[.[.[jsp.decorators.general_002dhead_002dpre_jsp]] Servlet.service() for servlet jsp.decorators.general_002dhead_002dpre_jsp threw exception
java.lang.NoSuchMethodError: com.atlassian.jira.security.JiraAuthenticationContext.getLoggedInUser()Lcom/atlassian/crowd/embedded/api/User;
	at com.atlassian.jira.ext.calendar.data.TipDataProvider.suppressTip(TipDataProvider.java:49)
	at com.atlassian.jira.ext.calendar.data.TipDataProvider.access$000(TipDataProvider.java:16)
	at com.atlassian.jira.ext.calendar.data.TipDataProvider$1.write(TipDataProvider.java:37)
	at com.atlassian.plugin.webresource.data.DataTagWriter.write(DataTagWriter.java:48)
	at com.atlassian.plugin.webresource.data.DataTagWriter.write(DataTagWriter.java:33)
	at com.atlassian.plugin.webresource.assembler.DefaultWebResourceSet.writeHtmlTags(DefaultWebResourceSet.java:82)
	at com.atlassian.plugin.webresource.assembler.DefaultWebResourceSet.writeHtmlTags(DefaultWebResourceSet.java:69)
	at com.atlassian.jira.plugin.navigation.HeaderFooterRendering.includeResources(HeaderFooterRendering.java:101)
	at jsp.decorators.general_002dhead_002dpre_jsp._jspService(general_002dhead_002dpre_jsp.java:122)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
	... 25 filtered
	at com.atlassian.jira.web.pagebuilder.AbstractJspDecorator.writeTemplate(AbstractJspDecorator.java:111)
	at com.atlassian.jira.web.pagebuilder.AbstractJspDecorator.writePreHead(AbstractJspDecorator.java:56)
	at com.atlassian.jira.web.pagebuilder.GeneralJspDecorator.writePreHead(GeneralJspDecorator.java:34)
	at com.atlassian.jira.web.pagebuilder.DefaultPageBuilder.flush(DefaultPageBuilder.java:87)
	at com.atlassian.jira.web.action.Dashboard.doExecute(Dashboard.java:195)
	... 1 filtered
	at com.atlassian.jira.action.JiraActionSupport.execute(JiraActionSupport.java:67)
	... 7 filtered
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
	... 50 filtered
	at com.atlassian.greenhopper.jira.filters.ClassicBoardRouter.doFilter(ClassicBoardRouter.java:59)
	... 159 filtered
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)