NPE when submitting comment

got this error at about 12:14pm pacific time on 08-14-2008, when i tried to submit a comment. the page had been open awhile, and i think i had since been logged out automatically somehow (i keep getting logged out all the time).

Cause:
java.lang.NullPointerException

Stack Trace: [hide]

java.lang.NullPointerException
at com.atlassian.jira.bc.issue.util.DefaultVisibilityValidator.isValidVisibilityData(DefaultVisibilityValidator.java:78)
at com.atlassian.jira.bc.issue.comment.DefaultCommentService.isValidCommentData(DefaultCommentService.java:184)
at com.atlassian.jira.issue.fields.CommentSystemField.validateParams(CommentSystemField.java:249)
at com.atlassian.jira.web.action.issue.AbstractCommentableIssue.doCommentValidation(AbstractCommentableIssue.java:73)
at com.atlassian.jira.web.action.issue.AbstractCommentableIssue.doValidation(AbstractCommentableIssue.java:65)
at com.atlassian.jira.web.action.issue.AddComment.doValidation(AddComment.java:68)
at webwork.action.ActionSupport.validate(ActionSupport.java:373)
at webwork.action.ActionSupport.execute(ActionSupport.java:150)
at com.atlassian.jira.action.JiraActionSupport.execute(JiraActionSupport.java:54)
at webwork.dispatcher.GenericDispatcher.executeAction(GenericDispatcher.java:132)
at com.atlassian.jira.web.dispatcher.JiraServletDispatcher.service(JiraServletDispatcher.java:211)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:92)
at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:99)
at com.atlassian.jira.web.filters.AccessLogFilter.doFilter(AccessLogFilter.java:73)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55)
at com.atlassian.jira.web.filters.SitemeshExcludePathFilter.doFilter(SitemeshExcludePathFilter.java:38)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:192)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.seraph.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:114)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.seraph.filter.BaseLoginFilter.doFilter(BaseLoginFilter.java:110)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:132)
at com.atlassian.jira.web.filters.JIRAProfilingFilter.doFilter(JIRAProfilingFilter.java:16)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.jira.web.filters.ActionCleanupDelayFilter.doFilter(ActionCleanupDelayFilter.java:43)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.jira.web.filters.RequestCleanupFilter.doFilter(RequestCleanupFilter.java:50)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.johnson.filters.AbstractJohnsonFilter.doFilter(AbstractJohnsonFilter.java:72)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:350)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.gzipfilter.GzipFilter.doFilter(GzipFilter.java:89)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:37)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.atlassian.jira.appconsistency.db.DatabaseCompatibilityEnforcerFilter.doFilter(DatabaseCompatibilityEnforcerFilter.java:39)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:188)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:163)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208)
at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:396)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:363)
at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:490)
at com.caucho.util.ThreadPool.run(ThreadPool.java:423)
at java.lang.Thread.run(Thread.java:619)

Referer URL: http://developer.atlassian.com/jira/browse/CONFJIRA-57?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Build Information:
Uptime: N/A
Edition: Enterprise
Version: 3.12.2
Build Number: 300
Atlassian Partner: null
Installation Type: EAR/WAR
Server ID: A5G2-B7UC-JLK8-Z7KY

Server Information:
Application Server: Resin/3.0.14
Servlet Version: 2.4

File Paths:
Location of entityengine.xml: file:/opt/j2ee/domains/atlassian.com/developer/jira/resin/webapps/jira/WEB-INF/classes/entityengine.xml
Location of atlassian-jira.log: /opt/j2ee/domains/atlassian.com/developer/jira/resin-pro-3.0.14/atlassian-jira.log

Memory Information:
Total Memory: 281 MB
Free Memory: 47 MB
Used Memory: 234 MB

System Information:
System Date: Thursday, 14 Aug 2008
System Time: 14:14:37
Current Working Directory: /opt/j2ee/domains/atlassian.com/developer/jira/resin-pro-3.0.14
Java Version: 1.6.0_02
Java Vendor: Sun Microsystems Inc.
JVM Version: 1.0
JVM Vendor: Sun Microsystems Inc.
JVM Implementation Version: 1.6.0_02-b05
Java Runtime: Java(TM) SE Runtime Environment
Java VM: Java HotSpot(TM) Server VM
User Name: j2ee
User Timezone: America/Chicago
User Locale: English (United States)
System Encoding: ANSI_X3.4-1968
Operating System: Linux 2.6.9-67.0.15.ELsmp
OS Architecture: i386
Application Server Container:
Database type: postgres72
Database JNDI address: java:comp/env/jdbc/JiraDS
Database URL: Hidden
Database version: 8.1.11
Database driver: PostgreSQL Native Driver PostgreSQL 8.1 JDBC3 with SSL (build 405)
External user management: OFF
Crowd integration: ON

Language Info:
Installed languages: Chinese (China)
Chinese (Taiwan)
Czech (Czech Republic)
Danish (Denmark)
Dutch (Belgium)
English (UK)
French (France)
German (Germany)
German (Switzerland)
Hungarian (Hungary)
Italian (Italy)
Norwegian (Norway)
Polish (Poland)
Portuguese (Brazil)
Russian (Russia)
Slovak (Slovakia)
Spanish (Spain)
Turkish (Turkey)
Default language: English (United States) - System Default

Request Information:

• Request URL: http://developer.atlassian.com/jira/500page.jsp
• Scheme: http
• Server: developer.atlassian.com
• Port: 80
• URI: /jira/500page.jsp
• Context Path: /jira
• - Servlet Path: /500page.jsp
• - Path Info: null
• - Query String:

Request Attributes

• webwork.result : Value stack =========== ===========
• jira.webwork.generic.dispatcher : webwork.dispatcher.GenericDispatcher@b8f87a
• javax.servlet.forward.servlet_path : /secure/AddComment.jspa
• caucho.forward : true
• javax.servlet.error.servlet_name : action
• _sitemesh_filterapplied : true
• javax.servlet.forward.request_uri : /jira/secure/AddComment.jspa
• javax.servlet.error.request_uri : /jira/secure/AddComment.jspa
• loginfilter.already.filtered : true
• jira.webwork.cleanup : false
• javax.servlet.forward.context_path : /jira
• com.atlassian.johnson.filters.JohnsonFilter_already_filtered : true
• javax.servlet.error.exception : java.lang.NullPointerException
• os_securityfilter_already_filtered : true
• com.atlassian.jira.web.filters.ActionCleanupDelayFilter : true
• com.atlassian.jira.web.filters.RequestCleanupFilter_already_filtered : true
• javax.servlet.jsp.jspException : java.lang.NullPointerException
• javax.servlet.error.exception_type : class java.lang.NullPointerException
• javax.servlet.error.status_code : 500
• atlassian.core.seraph.original.url : /secure/AddComment.jspa
• com.atlassian.gzipfilter.GzipFilter_already_filtered : true

Request Logging
0 log statements generated by this request:

Listeners

• Issue Cache Listener (com.atlassian.jira.event.listeners.cache.IssueCacheListener)
• Issue Index Listener (com.atlassian.jira.event.listeners.search.IssueIndexListener)
• Mail Listener (com.atlassian.jira.event.listeners.mail.MailListener)
• Perforce Job Update Listener (com.atlassian.jira.ext.fisheye.perforce.listener.JobUpdateListener)

Services

• Backup Service (com.atlassian.jira.service.services.export.ExportService)
• Delay: 720 minutes
• Mail Queue Service (com.atlassian.jira.service.services.mail.MailQueueService)
• Delay: 1 minutes

Plugins

• Admin Menu Sections 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Bamboo 1.0.1 - Plugin by Atlassian Software Systems Pty Ltd
• Enabled
• Browse Project Operations Sections 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Content Link Resolvers Plugin 1.0 - Plugin by Atlassian Software Systems Pty Ltd
• Enabled
• Custom Field Types & Searchers 1.0 - Plugin by Atlassian Software Systems
• Enabled
• FishEye Plugin 2.0 - Plugin by Atlassian Software Systems
• Enabled
• Issue Operations Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Issue Tab Panels Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Issue Views Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• JIRA Charting Plugin 1.3.14-rc1 - Plugin by Atlassian Software Systems Pty Ltd
• Enabled
• JIRA Footer 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Labels Plugin 2.1.4 - Plugin by Atlassian Software Systems Pty Ltd
• Enabled
• Portlets Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Preset Filters Sections 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Project Panels Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Project Role Actors Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• RPC JIRA Plugin 3.11 - Plugin by Atlassian Software Systems Pty Ltd
• Enabled
• Renderer Component Factories Plugin 1.0 - Plugin by Atlassian Software Systems Pty Ltd
• Enabled
• Renderer Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Reports Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• The Connector for Microsoft Project 1.0 - Plugin by Ecliptic Technologies, Inc.
• Enabled
• Top Navigation Bar 1.0 - Plugin by Atlassian Software Systems
• Enabled
• User Navigation Bar Sections 1.0 - Plugin by Atlassian Software Systems
• Enabled
• User Profile Links 1.0 - Plugin by Atlassian Software Systems
• Enabled
• View Project Operations Sections 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Web Resources Plugin 1.0 - Plugin by Atlassian Software Systems Pty Ltd
• Enabled
• Webwork Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Wiki Renderer Macros Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled
• Workflow Plugin 1.0 - Plugin by Atlassian Software Systems
• Enabled