Error rendering /portlets/dashboard/projecttables.jsp: javax.servlet.jsp.JspException: Could not show value: @math/percentageWidth(last,.), throwable: java.lang.OutOfMemoryError: Java heap space.
Removing and recreating this portlet may solve the problem.
If not please ask your JIRA adminstrator to send a support request 帮小弟分析一下，这个应该怎么解决呢？