Troubleshooting
Problem
QRadar Web User Interface is down or are unresponsive due to TxSentry error messages.
Symptom
The following error messages can be found in /var/log/qradar.error log.
[hostcontext.hostcontext] [{UUID}/SequentialEventDispatcher] com.q1labs.hostcontext.tx.TxSentry:
[WARN] [NOT:{N}][{IP}/- -] [-/- -]Found a process on host {IP}: tomcat, pid={PID}, TX age={N} secs
[hostcontext.hostcontext] [{UUID}/SequentialEventDispatcher] com.q1labs.hostcontext.tx.TxSentry:
[WARN] [NOT:{N}][{IP}/- -] [-/- -] Lock acquired on host {IP}: rel=example_pkey age={N}
granted=t mode=AccessShareLock query='select * from example_table()'
A notification for Tomcat stating: "Transaction Sentry: Found an unmanaged process causing unusually long transaction that negatively affects system stability".
Document Location
Worldwide
[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"ARM Category":[{"code":"a8m0z000000cwtiAAA","label":"Performance"}],"ARM Case Number":"TS003667832","Platform":[{"code":"PF016","label":"Linux"}],"Version":"All Versions"}]
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Document Information
Modified date:
03 December 2024
UID
ibm16205958