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Solr crashes with "Out of Memory" message causing logs to not be visible Technical Level
Symptoms
  • Solr crashes with "Out of memory" message.

  • Index file from a week or more ago (depending on the amount of time the machine is running R80.40 and the amount of time log indexes are retained) shows:
    File path: $RTDIR/log_indexes/firewallandvpn_[DATE]/core.properties
    Content:
    tag=PAGING
    name=firewallandvpn_2020-08-09T00-00-00
    properties=${server.settings.properties.file}
    configSet=firewallandvpn

    We are missing two elements:
    loadOnStartup=false
    transient=true


  • "An error occurred instantiating job to be executed. job= 'maintenance.routineMaintenance'" message appears in the $RTDIR/log/RFL.log file.

  • Increasing Solr Heap temporarily resolves the issue (for several days).
Solution
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