Troubleshooting
Problem
The Tomcat service can be up and running from the backend but the User Interface (UI) is not available for the users, resulting in the disruption of the availability of QRadar.
Symptom
The following warnings are seen in the /var/log/qradar.error related to "Broker not responding":
WARNING [localhost-startStop-1] Broker not responding [HELLO(10)] for 120 seconds. Still trying...
WARNING [W2003]: Broker not responding [COMMIT_TRANSACTION(46)] for 360 seconds. Still trying...
WARNING [W2003]: Broker not responding [CREATE_SESSION(68)] for 840 seconds. Still trying...
The following stack trace might be seen from Tomcat in /var/log/qradar.error:
Aug 01 00:44:11 console tomcat[30248]: isClosed true
Aug 01 00:44:11 console tomcat[30248]: isConnectedToHABroker false
Aug 01 00:44:11 console tomcat[30248]: isQueueConnection false
Aug 01 00:44:11 console tomcat[30248]: isStopped true
Aug 01 00:44:11 console tomcat[30248]: isTopicConnection false
Aug 01 00:44:11 console tomcat[30248]: protocolHandlerIsClosed false
Aug 01 00:44:11 console tomcat[30248]: readChannnelIsClosed false
Aug 01 00:44:11 console tomcat[30248]: recoverInProcess false
Aug 01 00:44:11 console tomcat[30248]: readChannnelReceivedGoodByeReply false
Aug 01 00:44:11 console tomcat[30248]: reconnecting false
Document Location
Worldwide
[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSV4BL","label":"IBM QRadar"},"ARM Category":[{"code":"a8m500000008YT1AAM","label":"ATS-Infrasec-\u003ESiteProtector-\u003EUI"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"},{"Product":{"code":"SSTZMA","label":"QRadar Appliance Hardware"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
Log InLog in to view more of this document
This document has the abstract of a technical article that is available to authorized users once you have logged on. Please use Log in button above to access the full document. After log in, if you do not have the right authorization for this document, there will be instructions on what to do next.
Was this topic helpful?
Document Information
Modified date:
14 November 2022
UID
ibm16838721