OutOfMemoryError caused by Agent Launch Logs component of Support Bundle Generation

Issue

Support bundle generation from the UI or in the background causes memory pressure and eventually OutOfMemoryError. Controller logs might show:

java.lang.OutOfMemoryError:
    at com.cloudbees.jenkins.support.api.LaunchLogsFileContent.getInputStream

Environment

CloudBees CI on modern cloud platforms - operations center
CloudBees CI on modern cloud platforms - managed controller
CloudBees CI on traditional platforms - operations center
CloudBees CI on traditional platforms - client controller
Jenkins®
Support Core < 1519.vb_f214b_a_25a_a_5

Related Issue(s)

JENKINS-73984: LaunchLogsFileContent may cause OOM on large logs files

Resolution

Upgrade Support Core plugin to version 1519.vb_f214b_a_25a_a_5 or later. That version of Support Core is available under the CloudBees Assurance Program in CloudBees CI 2.479.2.x or later (End of November 2024 release).

Workaround

Disable the Agent Launch Logs component under Manage Jenkins > Support Core > Automated Support Bundle Generation.
Disable the Agent Launch Logs component when generating a Support Bundle from the UI.