[CONFSERVER-95316] Confluence Questions App ends with error: "Oops - an error has occurred". - Create and track feature requests for Atlassian products.

Type: Bug
Resolution: Fixed
Priority: High
Fix Version/s: CQ-4.6.9
Affects Version/s: 8.9.0
Component/s: Apps - Confluence Questions
Labels:
- fireball

Support reference count:
1
Symptom Severity:
Severity 2 - Major
UIS:
1
Bug Fix Policy:
View Atlassian Server bug fix policy

Issue Summary

While on Confluence 8.9.0 with Confluence questions 4.6.3 when going into any space and clicking on questions on the sidebar, Confluence will throw an error: "Oops - an error has occurred"

This is reproducible on the Data Center: yes

Steps to Reproduce

Confluence 8.9.0
Download Confluence questions version 4.6.3
Go into any space
In the sidebar click on Questions
The error will be thrown

Expected Results

Confluence should not throw any errors while using questions.

Actual Results

The below exception is thrown in the confluence.log file:

2024-04-19 15:27:25,975 INFO [http-nio-6890-exec-8 url: /c890/500page.jsp; user: admin] [atlassian.confluence.status.SystemErrorInformationLogger] writeToLog \nRequest Unique ID : 6e725311-9f41-4f79-be72-dd151512c4b1\n--------------------------\nJVM Stats\n--------------------------\nxmx = 1073741824\nusedNonHeap = 657616520\navailableHeap = 308734848\navailableNonHeap = -1\nallocatedHeap = 1073741824\nfreeAllocatedHeap = 308734848\nmaxNonHeap = -1\navailablePermGen = 0\nmaxPermGen = -1\nmaxHeap = 1073741824\nusedHeap = 765006976\nusedPermGen = -1\nxms = 1073741824\n--------------------------\nRequest Information\n--------------------------\nURL: http://localhost:6890/c890/500page.jsp\nScheme: http\nServer: localhost\nPort: 6890\nURI: /c890/500page.jsp\nContext Path: /c890\nServlet Path: /500page.jsp\nPath Info: null\nQuery String: null\n--------------------------\nAttributes\n--------------------------\njavax.servlet.forward.request_uri: /c890/cq/doaskquestion.action\njavax.servlet.forward.context_path: /c890\njavax.servlet.forward.servlet_path: /cq/doaskquestion.action\njavax.servlet.forward.mapping: org.apache.catalina.core.ApplicationMapping$MappingImpl@4c21de3d\norg.apache.catalina.AccessLog.RemoteAddr: 0:0:0:0:0:0:0:1\n__prepare_recursion_counter: 1\nstruts.actionMapping: noActionMapping\njavax.servlet.error.status_code: 500\nbrave.SpanCustomizer: SpanCustomizer(RealSpan(63f1e1237cbd34d2/63f1e1237cbd34d2))\ncom.atlassian.confluence.impl.profiling.DecoratorTimings: com.atlassian.confluence.impl.profiling.DecoratorTimings@3894a75\norg.apache.struts2.dispatcher.filter.StrutsPrepareFilter.REQUEST_EXCLUDED_FROM_ACTION_MAPPING: false\ncom.opensymphony.sitemesh.APPLIED_ONCE: true\natlas.webInterfaceContext: com.atlassian.confluence.plugin.descriptor.web.DefaultWebInterfaceContext@431952d\ncom.atlassian.confluence.util.message.MessagesDecoratorFilter__already_filtered__: true\n__wrap_recursion_counter: 1\ncom.atlassian.confluence.web.filter.validateparam.RequestParamValidationFilter_already_filtered: true\natlassian.core.seraph.original.url: /500page.jsp\ncom.atlassian.labs.botkiller.BotKillerFilter: true\norg.apache.catalina.AccessLog.Protocol: HTTP/1.1\ncom.atlassian.gzipfilter.GzipFilter_already_filtered: true\nConfluence-Request-Time: 1713551245921\nstruts.valueStack: com.opensymphony.xwork2.ognl.OgnlValueStack@6a2f0338\ncom.atlassian.confluence.web.ConfluenceJohnsonFilter_already_filtered: true\ncom.atlassian.seraph.auth.LoginReason: OK\nsitemesh.secondaryStorageLimit: -1\nconfluence.messages: {websudo-message=com.atlassian.confluence.security.websudo.WebSudoMessage@283df876}\norg.apache.catalina.AccessLog.ServerPort: 6890\njavax.servlet.error.message: Cannot invoke \"com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)\" because \"this.webInterfaceManager\" is null\njavax.servlet.error.servlet_name: default\norg.apache.tomcat.request.forwarded: true\nbrave.propagation.TraceContext: 63f1e1237cbd34d2/63f1e1237cbd34d2\nbrave.servlet.TracingFilter$SendHandled: true\norg.apache.tomcat.remoteAddr: 0:0:0:0:0:0:0:1\ncom.opensymphony.sitemesh.USINGSTREAM: false\norg.apache.catalina.AccessLog.ServerName: localhost\nB3-TraceId: b77f7a073522\nloginfilter.already.filtered: true\njavax.servlet.jsp.jspException: java.lang.NullPointerException: Cannot invoke \"com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)\" because \"this.webInterfaceManager\" is null\njavax.servlet.error.request_uri: /c890/cq/doaskquestion.action\ncom.atlassian.core.filters.HeaderSanitisingFilter_already_filtered: true\ncom.atlassian.prettyurls.filter.PrettyUrlsSiteMeshFixupFilter: true\norg.apache.catalina.AccessLog.RemoteHost: 0:0:0:0:0:0:0:1\njavax.servlet.error.exception: java.lang.NullPointerException: Cannot invoke \"com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)\" because \"this.webInterfaceManager\" is null\nos_securityfilter_already_filtered: true\ncom.atlassian.prettyurls.filter.PrettyUrlsSiteMeshFilter: true\n--------------------------\nParameters\n--------------------------\nspaceKey : S3\ntitle : Vaultec? \nquestion-body-id : \nbody : &lt;p&gt;Where are everyone?&lt;/p&gt;\ntopics : \ndraftId : 360471\natl_token : 6993ca2838df70a0dc467823d8d0d5a2e45a88bb\ncaused by: java.lang.NullPointerException: Cannot invoke \"com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)\" because \"this.webInterfaceManager\" is null\nat com.atlassian.confluence.plugins.questions.actions.QuestionActionSupport.buildLinkBrowserItems(QuestionActionSupport.java:228)\n

2024-04-19 15:27:25,976 ERROR [http-nio-6890-exec-8 url: /c890/500page.jsp; user: admin] [atlassian.confluence.status.SystemErrorInformationLogger] logException Unhandled exception 6e725311-9f41-4f79-be72-dd151512c4b1: Cannot invoke \"com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)\" because \"this.webInterfaceManager\" is null -- traceId: 63f1e1237cbd34d2java.lang.NullPointerException: Cannot invoke "com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)" because "this.webInterfaceManager" is null	at com.atlassian.confluence.plugins.questions.actions.QuestionActionSupport.buildLinkBrowserItems(QuestionActionSupport.java:228)	at com.atlassian.confluence.plugins.questions.actions.QuestionActionSupport.setSpaceContext(QuestionActionSupport.java:214)	at com.atlassian.confluence.plugins.questions.actions.QuestionActionSupport.setSpace(QuestionActionSupport.java:198)	at com.atlassian.confluence.spaces.actions.SpaceAwareInterceptor.intercept(SpaceAwareInterceptor.java:41)	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:256)	at com.atlassian.confluence.security.interceptors.ConfluenceAccessInterceptor.intercept(ConfluenceAccessInterceptor.java:32)	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:256)	at com.atlassian.confluence.xwork.FlashScopeInterceptor.intercept(FlashScopeInterceptor.java:21)	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:256)	at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:154)

2024-04-19 15:27:37,329 WARN [http-nio-6890-exec-10 url: /c890/display/S3/questions/all, /c890/cq/questions.action; user: admin] [confluence.impl.hibernate.ConfluenceHibernateTransactionManager] doRollback Performing rollback. Transactions:\n  ->[null]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT (Session #1272397138) -- url: /c890/display/S3/questions/all | userName: admin | referer: http://localhost:6890/c890/display/S3/Shelter+32 | traceId: 347c53fbbe50f2b6

2024-04-19 15:27:37,331 ERROR [http-nio-6890-exec-10 url: /c890/display/S3/questions/all, /c890/cq/questions.action; user: admin] [apache.struts2.dispatcher.DefaultDispatcherErrorHandler] sendErrorResponse Exception occurred during processing request: Cannot invoke \"com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)\" because \"this.webInterfaceManager\" is null -- url: /c890/display/S3/questions/all | userName: admin | referer: http://localhost:6890/c890/display/S3/Shelter+32 | traceId: 347c53fbbe50f2b6java.lang.NullPointerException: Cannot invoke "com.atlassian.plugin.web.WebInterfaceManager.getDisplayableItems(String, java.util.Map)" because "this.webInterfaceManager" is null	at com.atlassian.confluence.plugins.questions.actions.QuestionActionSupport.buildLinkBrowserItems(QuestionActionSupport.java:228)	at com.atlassian.confluence.plugins.questions.actions.QuestionActionSupport.setSpaceContext(QuestionActionSupport.java:214)	at com.atlassian.confluence.plugins.questions.actions.QuestionActionSupport.setSpace(QuestionActionSupport.java:198)	at com.atlassian.confluence.spaces.actions.SpaceAwareInterceptor.intercept(SpaceAwareInterceptor.java:41)	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:256)	at com.atlassian.confluence.security.interceptors.ConfluenceAccessInterceptor.intercept(ConfluenceAccessInterceptor.java:32)

In the Confluence UI, the following error message is shown:

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available

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19/Apr/2024 6:44 PM

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[CONFSERVER-95316] Confluence Questions App ends with error: "Oops - an error has occurred".

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