MultilineError logs in OpenShift 4 with ClusterLogForwarder API

Solution Verified - Updated -

Issue

  • How to forward multiline Error logs?
  • What and where do we have to configure in fluentd in OpenShift Platform to forward multiline Error logs via official ClusterLogForwarder (4.8+)?
  • How can Java stack traces be sent to ElasticSearch as a single log line?
  • Java stack traces are shown on multiple lines in Kibana, how can they be shown as a single line?

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4.8 and newer versions
  • Red Hat OpenShift Logging (RHOL)
    • 5.3 and newer versions

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