System Error 
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1.a description of your problem and what you were doing at the time it occurred
2.a copy of the error and system information found below
3.a copy of the application logs (if possible).
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Cause
java.lang.NumberFormatException: null
    at java.lang.Long.parseLong(Long.java:372) 

Stack Trace:[hide]
java.lang.NumberFormatException: null
	at java.lang.Long.parseLong(Long.java:372)
	at java.lang.Long.valueOf(Long.java:518)
	at com.atlassian.confluence.renderer.actions.RenderContentAction.createCommand(RenderContentAction.java:33)
	at com.atlassian.confluence.pages.actions.AbstractCommandAction.getCommandActionHelper(AbstractCommandAction.java:43)
	at com.atlassian.confluence.pages.actions.AbstractCommandAction.isPermitted(AbstractCommandAction.java:19)
	at com.atlassian.confluence.security.actions.PermissionCheckInterceptor.intercept(PermissionCheckInterceptor.java:44)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.setup.webwork.BootstrapAwareInterceptor.intercept(BootstrapAwareInterceptor.java:26)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.user.actions.UserAwareInterceptor.intercept(UserAwareInterceptor.java:58)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.pages.actions.CommentAwareInterceptor.intercept(CommentAwareInterceptor.java:44)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.pages.actions.PageAwareInterceptor.intercept(PageAwareInterceptor.java:110)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.spaces.actions.SpaceAwareInterceptor.intercept(SpaceAwareInterceptor.java:68)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.core.actions.LastModifiedInterceptor.intercept(LastModifiedInterceptor.java:38)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.core.ConfluenceAutowireInterceptor.intercept(ConfluenceAutowireInterceptor.java:38)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.xwork.interceptors.TransactionalInvocation.invokeAndHandleExceptions(TransactionalInvocation.java:72)
	at com.atlassian.xwork.interceptors.TransactionalInvocation.invokeInTransaction(TransactionalInvocation.java:59)
	at com.atlassian.xwork.interceptors.XWorkTransactionInterceptor.intercept(XWorkTransactionInterceptor.java:56)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.atlassian.confluence.xwork.SetupIncompleteInterceptor.intercept(SetupIncompleteInterceptor.java:40)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115)
	at com.atlassian.confluence.servlet.ConfluenceServletDispatcher.serviceAction(ConfluenceServletDispatcher.java:53)
	at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:199)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
	at com.atlassian.confluence.util.profiling.ProfilingPageFilter.parsePage(ProfilingPageFilter.java:84)
	at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:54)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.jmx.JmxFilter.doFilter(JmxFilter.java:106)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.core.filters.ServletContextThreadLocalFilter.doFilter(ServletContextThreadLocalFilter.java:19)
	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.util.LoggingContextFilter.doFilter(LoggingContextFilter.java:47)
	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.web.filter.ThreadLocalCacheFilter.doFilter(ThreadLocalCacheFilter.java:22)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.util.UserThreadLocalFilter.doFilter(UserThreadLocalFilter.java:44)
	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:206)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:98)
	at com.atlassian.confluence.util.AbstractBootstrapHotSwappingFilter.doFilter(AbstractBootstrapHotSwappingFilter.java:30)
	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.seraph.filter.BaseLoginFilter.doFilter(BaseLoginFilter.java:131)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
	at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
	at com.atlassian.oauth.serviceprovider.internal.servlet.OAuthFilter.doFilter(OAuthFilter.java:69)
	at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
	at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.util.ClusterHeaderFilter.doFilter(ClusterHeaderFilter.java:35)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.johnson.filters.AbstractJohnsonFilter.doFilter(AbstractJohnsonFilter.java:72)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.orm.hibernate.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:170)
	at com.atlassian.spring.filter.FlushingSpringSessionInViewFilter.doFilterInternal(FlushingSpringSessionInViewFilter.java:29)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.util.ConfluenceErrorFilter.doFilter(ConfluenceErrorFilter.java:22)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:99)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.core.datetime.RequestTimeThreadLocalFilter.doFilter(RequestTimeThreadLocalFilter.java:34)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.confluence.util.RequestCacheThreadLocalFilter.doFilter(RequestCacheThreadLocalFilter.java:25)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.gzipfilter.GzipFilter.doFilterInternal(GzipFilter.java:81)
	at com.atlassian.gzipfilter.GzipFilter.doFilter(GzipFilter.java:51)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.core.filters.cache.AbstractCachingFilter.doFilter(AbstractCachingFilter.java:33)
	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
	at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
	at com.atlassian.confluence.extra.webdav.servlet.filter.ReverseProxyFilter.doFilter(ReverseProxyFilter.java:427)
	at com.atlassian.confluence.extra.webdav.servlet.filter.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:34)
	at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
	at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:55)
	at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:41)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.core.filters.encoding.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:41)
	at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
	at java.lang.Thread.run(Thread.java:619)

        Referer URL
https://qa-eac.atlassian.com/display/~mhrynczak/Confluence+Gadgets?showComments=true&showCommentArea=true

Confluence Application Information
Build Information
baseUrl: https://qa-eac.atlassian.com
home: /opt/j2ee/domains/atlassian.com/qa-eac-node1/webapps/atlassian-confluence/data
buildNumber: 1719
upTime: 19 hours, 29 minutes, 19 seconds
devMode: false
serverId: ALY2-P1PN-IZEU-7CL7
supportEntitlementNumber: null
version: 3.1-rc1
Unique ID: 4cd84924-38f1-4fc1-9f50-2693ca806e82 

Server information
Application Server: Apache Tomcat/6.0.20
Servlet Version: 2.5
Database Dialect: net.sf.hibernate.dialect.PostgreSQLDialect
Database Driver Name: null


Memory Information
Maximum Heap: 1173 MB
Allocated Heap: 1052 MB
Used Memory: 833 MB
Unused Allocated Memory: 218 MB
Available Memory: 340 MB

Maximum Permgen: 256 MB
Used Permgen: 179 MB


System Information
favouriteColour: heliotrope
javaRuntime: Java(TM) SE Runtime Environment
operatingSystem: Linux 2.6.9-78.0.1.ELsmp
jvmVersion: 1.0
fileSystemEncoding: ANSI_X3.4-1968
javaVm: Java HotSpot(TM) 64-Bit Server VM
javaVendor: Sun Microsystems Inc.
jvmImplementationVersion: 11.0-b16
systemTimezone: America/Chicago
appServer: Apache Tomcat
tempDirectory: /opt/j2ee/domains/atlassian.com/qa-eac-node1/tomcat/temp
date: Thursday, 26 Nov 2009
jvmInputArguments: -Djava.util.logging.config.file=/opt/j2ee/domains/atlassian.com/qa-eac-node1/tomcat/conf/logging.properties 
-Xms512m -Xmx1280m -Dinstance.id=qa-eac-node1.atlassian.com -Djava.awt.headless=true 
-Dconfluence.home=/opt/j2ee/domains/atlassian.com/qa-eac-node1/webapps/atlassian-confluence/data -XX:+HeapDumpOnOutOfMemoryError 
-XX:MaxPermSize=256m -Xloggc:/var/log/java/node1.qa-eac.atlassian.com/gc.log -XX:+PrintGCTimeStamps -verbose:gc -XX:NewSize=256m 
-XX:SurvivorRatio=2 -XX:+UseParallelGC -XX:+UseParallelOldGC -Djava.net.preferIPv4Stack=true 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 
-Djava.endorsed.dirs=/opt/j2ee/domains/atlassian.com/qa-eac-node1/tomcat/endorsed -Dcatalina.base=/opt/j2ee/domains/atlassian.com/qa-eac-node1/tomcat 
-Dcatalina.home=/opt/j2ee/domains/atlassian.com/qa-eac-node1/tomcat 
-Djava.io.tmpdir=/opt/j2ee/domains/atlassian.com/qa-eac-node1/tomcat/temp 
time: 00:50:59
jvmVendor: Sun Microsystems Inc.
userName: j2ee_qa-eac
javaVersion: 1.6.0_11
systemLanguage: en
operatingSystemArchitecture: amd64
workingDirectory: /opt/j2ee/domains/atlassian.com/qa-eac-node1/apache-tomcat-6.0.20


Cluster Information
Name: qa-eac 
Description: TangosolClusterInformation: qa-eac, listening on 235.54.42.161:32357 
Members:
- Member(Id=1, Timestamp=2009-11-25 05:21:43.313, Address=172.16.3.33:8088, MachineId=57301, Location=process:674@atlassian33.managed.contegix)
- Member(Id=2, Timestamp=2009-11-25 05:27:16.193, Address=172.16.3.33:8089, MachineId=57301, Location=process:1866@atlassian33.managed.contegi)


Plugins
Adaptavist Content Formatting Macros (com.adaptavist.confluence.contentFormattingMacros, Version: 1.6.5, Installed: Sep 5, 2007) 
Add Content Menu Sections (confluence.menu.add, Version: 1.0, Installed: bundled) 
Admin Sections (confluence.sections.admin, Version: 1.0, Installed: bundled) 
Advanced Macros (confluence.macros.advanced, Version: 1.6.8, Installed: Sep 9, 2009) 
Apache HttpClient OSGi bundle (org.apache.httpcomponents.httpclient-4.0, Version: 4.0, Installed: bundled) 
Apache HttpCore OSGi bundle (org.apache.httpcomponents.httpcore-4.0, Version: 4.0, Installed: bundled) 
Atlassian Context Navigation Plugin (com.atlassian.navigator, Version: 1.1, Installed: May 14, 2009) 
Atlassian Gadgets API (com.atlassian.gadgets.atlassian-gadgets-api-2.0.0, Version: 2.0.0, Installed: bundled) 
Atlassian Gadgets OAuth Service Provider Plugin (com.atlassian.gadgets.oauth.serviceprovider, Version: 2.0.0, Installed: bundled) 
Atlassian Gadgets SPI (com.atlassian.gadgets.atlassian-gadgets-spi-2.0.0, Version: 2.0.0, Installed: bundled) 
Atlassian OAuth API (com.atlassian.oauth.atlassian-oauth-api-1.0.11, Version: 1.0.11, Installed: bundled) 
Atlassian OAuth Admin Plugin (com.atlassian.oauth.admin, Version: 1.0.11, Installed: bundled) 
Atlassian OAuth Consumer Plugin (com.atlassian.oauth.consumer, Version: 1.0.11, Installed: bundled) 
Atlassian OAuth Consumer SAL SPI Implementation (com.atlassian.oauth.consumer.sal, Version: 1.0.11, Installed: bundled) 
Atlassian OAuth Consumer SPI (com.atlassian.oauth.atlassian-oauth-consumer-spi-1.0.11, Version: 1.0.11, Installed: bundled) 
Atlassian OAuth Service Provider Plugin (com.atlassian.oauth.serviceprovider, Version: 1.0.11, Installed: bundled) 
Atlassian OAuth Service Provider SAL SPI Implementation (com.atlassian.oauth.serviceprovider.sal, Version: 1.0.11, Installed: bundled) 
Atlassian OAuth Service Provider SPI (com.atlassian.oauth.atlassian-oauth-service-provider-spi-1.0.11, Version: 1.0.11, Installed: bundled) 
Atlassian REST - Module Types (com.atlassian.plugins.rest.atlassian-rest-module, Version: 1.1.0.beta2, Installed: bundled) 
Atlassian Template Renderer API (com.atlassian.templaterenderer.api, Version: 1.0.3, Installed: bundled) 
Atlassian Template Renderer Velocity 1.6 Plugin (com.atlassian.templaterenderer.atlassian-template-renderer-velocity1.6-plugin, Version: 1.0.3, Installed: bundled) 
Atlassian UI Plugin (com.atlassian.auiplugin, Version: 2.0.2.1, Installed: Apr 20, 2009) 
Attachment Actions (confluence.sections.attachments, Version: 1.0, Installed: bundled) 
Attachment Extractors (com.atlassian.confluence.plugins.attachmentExtractors, Version: 1.1, Installed: bundled) 
BND Library (biz.aQute.bndlib-0.0.255, Version: 0.0.255, Installed: bundled) 
Balsamiq Mockups (com.balsamiq.confluence.plugins.mockups, Version: 1.6.23, Installed: Jul 16, 2009) 
Basic Macros (confluence.macros.basic, Version: 1.4, Installed: bundled) 
Blogging Leaderboard (confluence.extra.blogstats, Version: 0.6, Installed: May 16, 2008) 
Browse Menu Items (confluence.sections.browse, Version: 1.0, Installed: bundled) 
Cache Plugin (org.swift.confluence.cache, Version: 3.1.0, Installed: Jul 12, 2007) 
Calendar Plugin (confluence.extra.calendar, Version: 2.7, Installed: Jun 11, 2008) 
Chart Plugin (confluence.extra.chart, Version: 1.15, Installed: Jul 21, 2008) 
Clickr Theme (com.atlassian.confluence.themes.clickr, Version: 2.6, Installed: Aug 15, 2007) 
Coherence Cache Plugins (confluence.cache.coherence, Version: 3.0, Installed: bundled) 
Collapsible Rss Plugin (com.atlassian.confluence.plugins.collapsiblerss, Version: 0.8, Installed: Mar 11, 2008) 
Comment Action Sections (confluence.comment.action, Version: 1.0, Installed: bundled) 
Composition Plugin (net.customware.confluence.plugin.composition, Version: 2.3, Installed: Jan 10, 2008) 
Confluence Activity Stream Plugin (com.atlassian.streams.confluence, Version: 3.1, Installed: bundled) 
Confluence Atlassian Plugin Repository (confluence.repository.client, Version: 2.1.6, Installed: Feb 20, 2008) 
Confluence Attachments Plugin (confluence.extra.attachments, Version: 2.17, Installed: bundled) 
Confluence Blogging RPC Plugin (com.atlassian.confluence.plugins.xmlrpc.bloggingrpc, Version: 1.2.4, Installed: Sep 5, 2007) 
Confluence Drag and Drop Plugin (com.atlassian.confluence.plugins.drag-and-drop, Version: 1.0.3, Installed: Nov 17, 2009) 
Confluence HTML Macros (confluence.macros.html, Version: 1.8, Installed: bundled) 
Confluence Legacy Web Resources (legacy.confluence.web.resources, Version: 1.0, Installed: bundled) 
Confluence PDF Export (com.atlassian.confluence.extra.flyingpdf, Version: 1.3, Installed: bundled) 
Confluence REST API (com.atlassian.confluence.restplugin, Version: 3.1-rc1, Installed: bundled) 
Confluence Remote API (confluence.extra.confluencerpc, Version: 3.1-rc1, Installed: bundled) 
Confluence Staff Directory Plugin (com.atlassian.confluence.plugin.staffdirectory, Version: 1.2, Installed: Dec 30, 2008) 
Confluence Thread Dump Plugin (com.atlassian.confluence.plugin.threaddump, Version: 1.2.1, Installed: bundled) 
Content Action Menu Sections (confluence.content.action.menu, Version: 1.0, Installed: bundled) 
Content Buttons (confluence.sections.page.temp, Version: 1.0, Installed: bundled) 
Content Metadata (confluence.sections.content.metadata, Version: 1.0, Installed: bundled) 
Contributors Plugin (confluence.authors, Version: 0.8, Installed: Oct 9, 2006) 
Core Extractors (confluence.extractors.core, Version: 1.4, Installed: bundled) 
Core Listeners (confluence.listeners.core, Version: 1.3, Installed: bundled) 
Core Path Converters (confluence.converters.core, Version: 1.0, Installed: bundled) 
Core Startup and Shutdown (confluence.lifecycle.core, Version: 1, Installed: bundled) 
Dashboard Actions (com.atlassian.confluence.plugins.dashboard-actions, Version: 1.7, Installed: Sep 14, 2009) 
Dashboard Macros (confluence.macros.dashboard, Version: 1.13, Installed: Feb 18, 2009) 
Default Macro Metadata Provider (confluence.macro.metadata.provider, Version: 1.0, Installed: bundled) 
Default Theme (com.atlassian.confluence.themes.default, Version: 1.0, Installed: bundled) 
Did You Mean Index Building Interface (confluence.sections.admin.indexing, Version: 1.0, Installed: bundled) 
Dynamic Task List 2 Plugin (confluence.extra.dynamictasklist2, Version: 3.2.5, Installed: May 10, 2009) 
Edit Settings Sections (confluence.sections.settings.edit, Version: 1.0, Installed: bundled) 
Editor Actions (confluence.editor.actions, Version: 1.0, Installed: bundled) 
Embedded Gadgets Plugin (com.atlassian.gadgets.embedded, Version: 2.0.0, Installed: bundled) 
Excel Plugin (org.swift.confluence.excel, Version: 3.3.0, Installed: Jul 12, 2007) 
Find Email (com.atlassian.confluence.extra, Version: 1.0, Installed: Oct 9, 2006) 
Fisheye Plugin (com.atlassian.confluence.extra.fisheye-plugin, Version: 0.3, Installed: Jul 12, 2007) 
Flash Plugin (org.swift.confluence.flash, Version: 3.0, Installed: Mar 11, 2008) 
Follow list resources (confluence.sections.user.follow.list, Version: 1.0, Installed: bundled) 
FreeMind Plugin (com.atlassian.confluence.contrib.freemind, Version: 1.0.2, Installed: Oct 9, 2006) 
French language pack (confluence.languages.fr_FR, Version: 1.17, Installed: bundled) 
Future Macro (confluence.macros.future, Version: 1.0beta1, Installed: Jan 8, 2009) 
Gadget Directory Plugin (com.atlassian.gadgets.directory, Version: 2.0.0, Installed: bundled) 
Gadget Spec Publisher Plugin (com.atlassian.gadgets.publisher, Version: 2.0.0, Installed: bundled) 
Gadgets Plugin (com.atlassian.confluence.plugins.gadgets, Version: 1.0.2, Installed: Nov 25, 2009) 
German language pack (confluence.languages.de_DE, Version: 1.12, Installed: bundled) 
Gliffy Plugin for Confluence (com.gliffy.integration.confluence, Version: 2.0.2-RC2, Installed: Nov 3, 2009) 
Global Dashboard Actions (confluence.sections.dashboard.global, Version: 1.0, Installed: bundled) 
Global Labels Sections (confluence.sections.labels, Version: 1.0, Installed: bundled) 
Global Statistics Plugin (confluence.extra.globalstats, Version: 1.0, Installed: Oct 9, 2006) 
Google Calendar Plugin (net.customware.confluence.plugin.google.calendar, Version: 1.3, Installed: Apr 11, 2007) 
Google Collections Bundle (com.atlassian.bundles.google-collections-1.0.0.rc1, Version: 1.0.0.rc1, Installed: bundled) 
Google Maps Plugin (com.atlassian.confluence.ext.gmaps, Version: 0.5, Installed: Jan 10, 2008) 
GraphViz Plugin (confluence.extra.graphviz, Version: 1.3, Installed: Jun 13, 2007) 
ICU4J (com.atlassian.bundles.icu4j-3.8.0.1, Version: 3.8.0.1, Installed: bundled) 
IM Presence NG Plugin (confluence.extra.impresence2, Version: 2.6, Installed: Nov 27, 2007) 
Information Macros (confluence.extra.information, Version: 1.3, Installed: bundled) 
JDOM DOM Processor (com.springsource.org.jdom-1.0.0, Version: 1.0.0, Installed: bundled) 
JIRA Macros (confluence.extra.jira, Version: 2.8.15, Installed: Oct 2, 2008) 
JSON Library (com.atlassian.bundles.json-20070829.0.0.1, Version: 20070829.0.0.1, Installed: bundled) 
JSR 305 Annotations (com.atlassian.bundles.jsr305-1.0, Version: 1.0, Installed: bundled) 
Java Concurrency in Practice Annotations (com.springsource.net.jcip.annotations-1.0.0, Version: 1.0.0, Installed: bundled) 
Layout Macros (confluence.extra.layout, Version: 1.3, Installed: bundled) 
Left Navigation Theme (com.atlassian.confluence.themes.leftnavigation, Version: 2.9, Installed: bundled) 
Linking Plugin (net.customware.confluence.plugin.linking, Version: 2.6.5, Installed: Jan 19, 2009) 
Live Search Macros (confluence.extra.livesearch, Version: 2.11, Installed: bundled) 
Logo Path Converter (confluence.converter.logo, Version: 1.0, Installed: Oct 9, 2008) 
Lucene Boosting Strategies (confluence.search.lucene.boosting, Version: 1.0, Installed: bundled) 
Mail Page Plugin (com.atlassian.confluence.ext.mailpage, Version: 1.8, Installed: bundled) 
Metadata Plugin (org.andya.confluence.plugins.metadata, Version: 2.1.0, Installed: Jun 5, 2008) 
New Code Macro Plugin (com.atlassian.confluence.ext.newcode-macro-plugin, Version: 1.9.4, Installed: Sep 16, 2009) 
News Tabs (confluence.sections.news, Version: 1.0, Installed: bundled) 
Office Connector plugin (com.atlassian.confluence.extra.officeconnector, Version: 1.6, Installed: May 21, 2009) 
Opensocial Plugin (com.atlassian.gadgets.opensocial, Version: 2.0.0, Installed: bundled) 
Page Operations (confluence.sections.page.operations, Version: 1.0, Installed: bundled) 
Page Operations Plugin (com.atlassian.confluence.extra.pageops, Version: 1.0, Installed: Jan 11, 2007) 
Page Tabs (confluence.search.mappers.lucene, Version: 1.0, Installed: bundled) 
Page Tabs (confluence.sections.page, Version: 1.0, Installed: bundled) 
Page Tree (com.atlassian.confluence.plugins.pagetree, Version: 1.13, Installed: Jul 8, 2008) 
Page View Links (confluence.sections.page.actions, Version: 1.0, Installed: bundled) 
Profile Macros (confluence.macros.profile, Version: 1.0, Installed: bundled) 
Profile Tabs (confluence.sections.profile, Version: 1.0, Installed: bundled) 
ROME, RSS and atOM utilitiEs for Java (rome.rome-1.0, Version: 1.0, Installed: bundled) 
RSVP Plugin (com.atlassian.confluence.extra.rsvp, Version: 1.6.1, Installed: Mar 31, 2009) 
Run Plugin (org.swift.confluence.run, Version: 0.7, Installed: Feb 21, 2007) 
SQL Plugin (org.swift.confluence.sql, Version: 3.5.0.patchedWithInline, Installed: May 21, 2009) 
Script Plugin (org.swift.confluence.script, Version: 3.1.1-NG, Installed: May 24, 2008) 
Search Web Interface (confluence.sections.admin.generalconfig, Version: 1.0, Installed: bundled) 
Search Web Interface (confluence.sections.search.view, Version: 1.0, Installed: bundled) 
Shared Application Access Layer API (com.atlassian.sal.sal-api-2.0.15, Version: 2.0.15, Installed: bundled) 
Shared Application Access Layer Confluence Plugin (com.atlassian.sal.confluence, Version: 2.0.15, Installed: bundled) 
Slideshow Plugin (com.atlassian.confluence.ext.slideshow, Version: 0.3, Installed: Apr 25, 2007) 
Snippet Plugin (com.atlassian.confluence.extra.snippet, Version: 2.1-SNAPSHOT, Installed: Jun 7, 2007) 
Social Bookmarking Plugin (com.atlassian.confluence.plugins.socialbookmarking, Version: 1.3.1, Installed: May 27, 2009) 
Space Actions Sections (confluence.sections.space.actions, Version: 1.0, Installed: bundled) 
Space Admin Sections (confluence.sections.space.admin, Version: 1.0, Installed: bundled) 
Space Advanced Sections (confluence.sections.space.advanced, Version: 1.0, Installed: bundled) 
Space Browse Sections (confluence.sections.space.browse, Version: 1.0, Installed: bundled) 
Space Export Web Interface (confluence.sections.space.export.view, Version: 1.0, Installed: bundled) 
Space Item Tabs (confluence.sections.space, Version: 1.0, Installed: bundled) 
Space Labels Sections (confluence.sections.space.labels, Version: 1.0, Installed: bundled) 
Space Pages Sections (confluence.sections.space.pages, Version: 1.0, Installed: bundled) 
System Web Resources (confluence.web.resources, Version: 1.0, Installed: bundled) 
Table Plugin (org.swift.confluence.table, Version: 3.3.1, Installed: Sep 5, 2007) 
Table of Contents Plugin (org.randombits.confluence.toc, Version: 2.4.11, Installed: Jul 12, 2007) 
Tabular Metadata (confluence.extra.masterdetail, Version: 2.9, Installed: bundled) 
TinyMCE Editor Plugin (com.atlassian.confluence.tinymceplugin, Version: 3.1-rc1, Installed: bundled) 
UWC Importer Admin Panel (com.atlassian.confluence.plugins.uwc.uwcimporter-adminpanel, Version: 1.2.1, Installed: bundled) 
User Administration (confluence.admin.user, Version: 1.0, Installed: bundled) 
User Hover Menu Sections (confluence.user.hover.menu, Version: 1.0, Installed: bundled) 
User Lister (confluence.extra.userlister, Version: 2.4.4, Installed: bundled) 
User Menu Sections (confluence.user.menu.concise, Version: 1.0, Installed: bundled) 
User Menu Sections (confluence.user.menu, Version: 1.0, Installed: bundled) 
User Status (confluence.userstatus, Version: 1.0, Installed: bundled) 
View Changes in Draft (confluence-draft-changes, Version: 1.0, Installed: bundled) 
View Profile Web Interface (confluence.sections.profile.view, Version: 1.0, Installed: bundled) 
View Raw Data (com.atlassian.confluence.plugin.viewrawdata, Version: 0.1, Installed: Sep 24, 2007) 
View follow resources (confluence.sections.user.view.follow, Version: 1.0, Installed: bundled) 
Voting Macros (com.nearinfinity.confluence.macros.vote, Version: 1.2, Installed: May 23, 2007) 
WebDAV Plugin (confluence.extra.webdav, Version: 2.4, Installed: Jul 24, 2009) 
Widget Connector (com.atlassian.confluence.extra.widgetconnector, Version: 1.3.2, Installed: bundled) 
Wiki Renderer Components (confluence.renderer.components, Version: 1.0, Installed: bundled) 
YourKit Profiling Plugin (com.atlassian.confluence.ext.yourkit, Version: 0.4, Installed: Dec 12, 2007) 
confluence-crucible-plugin (com.atlassian.confluence.plugins.crucible.confluence-crucible-plugin, Version: 1.6, Installed: Oct 29, 2008) 
Request
Information
URL
https://qa-eac.atlassian.com/500page.jsp 
URI
/500page.jsp 
Context Path
Servlet Path
/500page.jsp
Headers (Limited subset)
host
qa-eac.atlassian.com
user-agent
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)
connection
Keep-Alive
cache-control
no-cache
Attributes
javax.servlet.forward.request_uri
/pages/rendercontent.action
javax.servlet.forward.context_path
javax.servlet.forward.servlet_path
/pages/rendercontent.action
javax.servlet.forward.path_info
/500page.jsp
os_securityfilter_already_filtered
true
javax.servlet.jsp.jspException
java.lang.NumberFormatException: null
atlassian.core.seraph.original.url
/pages/rendercontent.action
javax.servlet.error.status_code
500
javax.servlet.error.servlet_name
action
__sitemesh__using_stream
false
com.atlassian.gzipfilter.GzipFilter_already_filtered
true
loginfilter.already.filtered
true
com.atlassian.confluence.web.ConfluenceJohnsonFilter_already_filtered
true
Confluence-Request-Time
1259218259525
javax.servlet.error.message
com.atlassian.core.filters.HeaderSanitisingFilter_already_filtered
true
webwork.valueStack
com.opensymphony.xwork.util.OgnlValueStack@480ef997
sessioninview.FILTERED
true
__sitemesh__filterapplied
true
javax.servlet.error.exception
java.lang.NumberFormatException: null
javax.servlet.error.request_uri
/pages/rendercontent.action
Parameters (Limited subset)
Confluence User
pwyatt 

Logging:
1 log statements generated by this request:

[ERROR] Thu Nov 26 00:50:59 CST 2009 [com.atlassian.confluence.servlet.ConfluenceServletDispatcher] Could not execute action 

Throwable:
java.lang.NumberFormatException: null
at java.lang.Long.parseLong(Long.java:372)
at java.lang.Long.valueOf(Long.java:518)
at com.atlassian.confluence.renderer.actions.RenderContentAction.createCommand(RenderContentAction.java:33)
at com.atlassian.confluence.pages.actions.AbstractCommandAction.getCommandActionHelper(AbstractCommandAction.java:43)
at com.atlassian.confluence.pages.actions.AbstractCommandAction.isPermitted(AbstractCommandAction.java:19)
at com.atlassian.confluence.security.actions.PermissionCheckInterceptor.intercept(PermissionCheckInterceptor.java:44)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.atlassian.confluence.setup.webwork.BootstrapAwareInterceptor.intercept(BootstrapAwareInterceptor.java:26)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.atlassian.confluence.user.actions.UserAwareInterceptor.intercept(UserAwareInterceptor.java:58)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.atlassian.confluence.pages.actions.CommentAwareInterceptor.intercept(CommentAwareInterceptor.java:44)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.atlassian.confluence.pages.actions.PageAwareInterceptor.intercept(PageAwareInterceptor.java:110)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.atlassian.confluence.spaces.actions.SpaceAwareInterceptor.intercept(SpaceAwareInterceptor.java:68)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)