System error using %21 in link with IE

The following link works ok with Firefox and fails for IE
http://jira/secure/EditProfile%21default.jspa

Cause:
java.lang.NullPointerException

Stack Trace: [hide]

java.lang.NullPointerException
at com.atlassian.jira.web.action.user.GenericEditProfile.doDefault(GenericEditProfile.java:21)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled Code))
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled Code))
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))
at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at webwork.util.InjectionUtils$DefaultInjectionImpl.invoke(InjectionUtils.java:61)
at webwork.util.InjectionUtils.invoke(InjectionUtils.java:52)
at webwork.action.ActionSupport.invokeCommand(ActionSupport.java:417)
at webwork.action.ActionSupport.execute(ActionSupport.java:146)
at com.atlassian.jira.action.JiraActionSupport.execute(JiraActionSupport.java:47)
at webwork.dispatcher.GenericDispatcher.executeAction(GenericDispatcher.java:132)
at com.atlassian.jira.web.dispatcher.JiraServletDispatcher.service(JiraServletDispatcher.java:186)
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.atlassian.jira.web.filters.AccessLogFilter.doFilter(AccessLogFilter.java:51)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
at com.atlassian.jira.web.filters.SitemeshExcludePathFilter.doFilter(SitemeshExcludePathFilter.java:38)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:182)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:177)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
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(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.atlassian.jira.web.filters.ActionCleanupDelayFilter.doFilter(ActionCleanupDelayFilter.java:37)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:91)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.atlassian.jira.web.filters.gzip.GzipFilter.doFilter(GzipFilter.java:72)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java(Compiled Code))
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java(Compiled Code))
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java(Compiled Code))
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java(Compiled Code))
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java(Compiled Code))
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java(Compiled Code))
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java(Compiled Code))
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:568)

Referer URL: Unknown

Build Information:
Uptime: 11 hours, 56 minutes, 58 seconds
Edition: Enterprise
Version: 3.3
Build Number: 96

Server Information:
Application Server: Apache Tomcat/5.5.9
Servlet Version: 2.4

Memory Information:
Total Memory: 641 MB
Free Memory: 465 MB
Used Memory: 176 MB

System Information:
System Date: Thursday, 03 Nov 2005
System Time: 15:33:41
Java Version: 1.4.2
Java Vendor: IBM Corporation
JVM Version: 1.0
JVM Vendor: Sun Microsystems Inc.
JVM Implementation Version: 1.4.2
Java Runtime: Java(TM) 2 Runtime Environment, Standard Edition
Java VM: Classic VM
User Name: root
User Timezone: US/Central
User Locale: English
System Encoding: ANSI_X3.4-1968
Operating System: Linux 2.6.5-7.139-pseries64
OS Architecture: ppc64
Application Server Container: Apache Tomcat/5.5.9
Database type: mysql
Database JNDI address: java:comp/env/jdbc/JiraDS

Request Information:
Request URL: http://jira/500page.jsp

• Scheme: http
• Server: jira
• Port: 80
• URI: /500page.jsp
• - Context Path:
• - Servlet Path: /500page.jsp
• - Path Info: null
• - Query String:
  Request Attributes:
• javax.servlet.forward.request_uri : /secure/EditProfile%21default.jspa
• javax.servlet.forward.context_path :
• javax.servlet.forward.servlet_path : /secure/EditProfile!default.jspa
• javax.servlet.forward.path_info : /500page.jsp
• javax.servlet.error.exception : javax.servlet.ServletException
• javax.servlet.error.message :
• os_securityfilter_already_filtered : true
• com.atlassian.johnson.filters.JohnsonFilter_already_filtered : true
• com.atlassian.jira.web.filters.ActionCleanupDelayFilter : true
• javax.servlet.error.request_uri : /secure/EditProfile%21default.jspa
• javax.servlet.error.status_code : 500
• jira.webwork.cleanup : false
• _sitemesh_filterapplied : true
• javax.servlet.error.servlet_name : action
• com.atlassian.jira.web.filters.gzip.GzipFilter_already_filtered : true
• loginfilter.already.filtered : true
• atlassian.core.seraph.original.url : /secure/EditProfile!default.jspa
• webwork.result : Value stack =========== ===========

Request Logging:
0 log statements generated by this request: