Can't add portlet to dashboard

Here is the exception...

The requested resource (Could not execute action [savedefaultportlet!default]:Action 'savedefaultportlet' not found or could not be initialized: java.lang.ClassNotFoundException: savedefaultportlet<p><small><small><pre>java.lang.IllegalArgumentException: Action 'savedefaultportlet' not found or could not be initialized: java.lang.ClassNotFoundException: savedefaultportlet at com.atlassian.jira.web.util.component.PicoJavaActionFactory.getActionImpl(PicoJavaActionFactory.java:64) at webwork.action.factory.ScriptActionFactoryProxy.getActionImpl(ScriptActionFactoryProxy.java:54) at webwork.action.factory.XMLActionFactoryProxy.getActionImpl(XMLActionFactoryProxy.java:54) at webwork.action.factory.PrefixActionFactoryProxy.getActionImpl(PrefixActionFactoryProxy.java:102) at webwork.action.factory.JspActionFactoryProxy.getActionImpl(JspActionFactoryProxy.java:53) at webwork.action.factory.CommandActionFactoryProxy.getActionImpl(CommandActionFactoryProxy.java:62) at webwork.action.factory.AliasingActionFactoryProxy.getActionImpl(AliasingActionFactoryProxy.java:96) at webwork.action.factory.CommandActionFactoryProxy.getActionImpl(CommandActionFactoryProxy.java:53) at webwork.action.factory.ContextActionFactoryProxy.getActionImpl(ContextActionFactoryProxy.java:36) at webwork.action.factory.PrepareActionFactoryProxy.getActionImpl(PrepareActionFactoryProxy.java:37) at webwork.action.factory.ParametersActionFactoryProxy.getActionImpl(ParametersActionFactoryProxy.java:46) at webwork.action.factory.ChainingActionFactoryProxy.getActionImpl(ChainingActionFactoryProxy.java:52) at com.atlassian.jira.web.util.component.DefaultPicoActionFactory.getActionImpl(DefaultPicoActionFactory.java:49) at webwork.action.factory.ActionFactory.getAction(ActionFactory.java:63) at webwork.dispatcher.GenericDispatcher.executeAction(GenericDispatcher.java:119) at com.atlassian.jira.web.dispatcher.JiraServletDispatcher.service(JiraServletDispatcher.java:186) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:142) at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:58) at com.atlassian.jira.web.filters.SitemeshExcludePathFilter.doFilter(SitemeshExcludePathFilter.java:36) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:168) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:181) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:132) at com.atlassian.jira.web.filters.ProfilingAndErrorFilter.doFilter(ProfilingAndErrorFilter.java:25) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.jira.web.filters.ActionCleanupDelayFilter.doFilter(ActionCleanupDelayFilter.java:37) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:91) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.jira.web.filters.gzip.GzipFilter.doFilter(GzipFilter.java:72) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:36) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.sun.identity.agents.filter.AmAgentFilter.allowRequestToContinue(Unknown Source) at com.sun.identity.agents.filter.AmAgentFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:265) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:212) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:203) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505) at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process(NSAPIProcessor.java:158) at com.iplanet.ias.web.WebContainer.service(WebContainer.java:598) </pre></small></small></p>) is not available.
Type: Status Report

Message: Could not execute action [savedefaultportlet!default]:Action 'savedefaultportlet' not found or could not be initialized: java.lang.ClassNotFoundException: savedefaultportlet<p><small><small><pre>java.lang.IllegalArgumentException: Action 'savedefaultportlet' not found or could not be initialized: java.lang.ClassNotFoundException: savedefaultportlet at com.atlassian.jira.web.util.component.PicoJavaActionFactory.getActionImpl(PicoJavaActionFactory.java:64) at webwork.action.factory.ScriptActionFactoryProxy.getActionImpl(ScriptActionFactoryProxy.java:54) at webwork.action.factory.XMLActionFactoryProxy.getActionImpl(XMLActionFactoryProxy.java:54) at webwork.action.factory.PrefixActionFactoryProxy.getActionImpl(PrefixActionFactoryProxy.java:102) at webwork.action.factory.JspActionFactoryProxy.getActionImpl(JspActionFactoryProxy.java:53) at webwork.action.factory.CommandActionFactoryProxy.getActionImpl(CommandActionFactoryProxy.java:62) at webwork.action.factory.AliasingActionFactoryProxy.getActionImpl(AliasingActionFactoryProxy.java:96) at webwork.action.factory.CommandActionFactoryProxy.getActionImpl(CommandActionFactoryProxy.java:53) at webwork.action.factory.ContextActionFactoryProxy.getActionImpl(ContextActionFactoryProxy.java:36) at webwork.action.factory.PrepareActionFactoryProxy.getActionImpl(PrepareActionFactoryProxy.java:37) at webwork.action.factory.ParametersActionFactoryProxy.getActionImpl(ParametersActionFactoryProxy.java:46) at webwork.action.factory.ChainingActionFactoryProxy.getActionImpl(ChainingActionFactoryProxy.java:52) at com.atlassian.jira.web.util.component.DefaultPicoActionFactory.getActionImpl(DefaultPicoActionFactory.java:49) at webwork.action.factory.ActionFactory.getAction(ActionFactory.java:63) at webwork.dispatcher.GenericDispatcher.executeAction(GenericDispatcher.java:119) at com.atlassian.jira.web.dispatcher.JiraServletDispatcher.service(JiraServletDispatcher.java:186) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:142) at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:58) at com.atlassian.jira.web.filters.SitemeshExcludePathFilter.doFilter(SitemeshExcludePathFilter.java:36) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:168) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:181) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:132) at com.atlassian.jira.web.filters.ProfilingAndErrorFilter.doFilter(ProfilingAndErrorFilter.java:25) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.jira.web.filters.ActionCleanupDelayFilter.doFilter(ActionCleanupDelayFilter.java:37) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:91) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.jira.web.filters.gzip.GzipFilter.doFilter(GzipFilter.java:72) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:36) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at com.sun.identity.agents.filter.AmAgentFilter.allowRequestToContinue(Unknown Source) at com.sun.identity.agents.filter.AmAgentFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:265) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:212) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:203) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505) at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process(NSAPIProcessor.java:158) at com.iplanet.ias.web.WebContainer.service(WebContainer.java:598) </pre></small></small></p>