IndexOutOfBoundsException in Average Age Report and Pie Chart Report

When there are no matching issues, the average age report and pie chart report both throw an exception as below. Also, the corresponding portlets for these two show a meaningless blank chart.

see also CHART-35

I can't run the Average Age Report for my filter 3.7 filter with period=daily and day=30. The filter is defined as

Project: JIRA
Fix For: 3.7, 3.7 Professional and 3.7 Enterprise
Status: Resolved and Closed
Updated: From 1 day ago to anytime
Sorted by: Key descending

An error occurred whilst rendering this message. Please contact the administrators, and inform them of this bug. Details: ------- java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at java.util.ArrayList.get(I)Ljava/lang/Object;(Optimized Method) at org.jfree.data.DefaultKeyedValues2D.getColumnKey(I)Ljava/lang/Comparable;(DefaultKeyedValues2D.java:182) at org.jfree.data.category.DefaultCategoryDataset.getColumnKey(I)Ljava/lang/Comparable;(DefaultCategoryDataset.java:138) at jrockit.reflect.NativeMethodInvoker.invoke0(Ljava/lang/Object;ILjava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;(Unknown Source) at jrockit.reflect.NativeMethodInvoker.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;(Optimized Method) at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;(Optimized Method) at java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;I)Ljava/lang/Object;(Optimized Method) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(Ljava/lang/Object;Lorg/apache/velocity/context/InternalContextAdapter;)Ljava/lang/Object;(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTReference.execute(Ljava/lang/Object;Lorg/apache/velocity/context/InternalContextAdapter;)Ljava/lang/Object;(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTReference.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTBlock.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.runtime.directive.Foreach.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;Lorg/apache/velocity/runtime/parser/node/Node;)Z(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTDirective.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTBlock.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTBlock.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.runtime.parser.node.SimpleNode.render(Lorg/apache/velocity/context/InternalContextAdapter;Ljava/io/Writer;)Z(Optimized Method) at org.apache.velocity.Template.merge(Lorg/apache/velocity/context/Context;Ljava/io/Writer;)V(Optimized Method) at com.atlassian.velocity.DefaultVelocityManager.getEncodedBody(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/util/Map;)Ljava/lang/String;(Optimized Method) at com.atlassian.jira.plugin.JiraResourcedModuleDescriptor.getHtml(Ljava/lang/String;Ljava/util/Map;)Ljava/lang/String;(Optimized Method) at com.atlassian.jira.ext.charting.charts.averageage.AverageAgeReport.generateReportHtml(Lcom/atlassian/jira/web/action/ProjectActionSupport;Ljava/util/Map;)Ljava/lang/String;(AverageAgeReport.java:46) at com.atlassian.jira.web.action.browser.ConfigureReport.doExecute()Ljava/lang/String;(ConfigureReport.java:96) at webwork.action.ActionSupport.execute()Ljava/lang/String;(ActionSupport.java:153) at com.atlassian.jira.action.JiraActionSupport.execute()Ljava/lang/String;(JiraActionSupport.java:58) at webwork.dispatcher.GenericDispatcher.executeAction()V(Optimized Method) at com.atlassian.jira.web.dispatcher.JiraServletDispatcher.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V(JiraServletDispatcher.java:178) at javax.servlet.http.HttpServlet.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V(HttpServlet.java:92) at com.caucho.server.dispatch.ServletFilterChain.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V(ServletFilterChain.java:99) at com.atlassian.jira.web.filters.AccessLogFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V(AccessLogFilter.java:51) at com.caucho.server.dispatch.FilterFilterChain.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V(Optimized Method)